Page History

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Major Changes to Core OS

New Features

Bug Fixes

Major Changes to the Build System

New Features

Bug Fixes

Architectural Support

New Architecture Support

 * [#4897#5524](https://github.com/apache/incubator-nuttx/pull/#4897#5524) archmm: arm: phy62xx: Phyplus release 1.2 iob: add support of alloc with timeout iob_timedalloc() 
 * [#5470#4743](https://github.com/apache/incubator-nuttx/pull/#5470#4743) arch: arm: STM32U5 Architecture Support mm: Support the kernel address sanitizer 
 * [#5165#5498](https://github.com/apache/incubator-nuttx/pull/#5165#5498) arch: ceva: add ceva platform xc5 xm6 support sched: Implement task local storage 
 * [#5352#5418](https://github.com/apache/incubator-nuttx/pull/#5352#5418) arch: xtensa: Add initial support for ESP32-S3 sched: Implement sysinfo function 
 * [#5241#5590](https://github.com/apache/incubator-nuttx/pull/#5241#5590) arch: sparc: Port nuttx to sparc-v8

Architecture with Significant Improvements

sched: os init_state: add new state OSINIT_IDLELOOP 
 * [#5468#4698](https://github.com/apache/incubator-nuttx/pull/#5468#4698) archsched: Add xxx_tcbinfo.c to SoC level Make.defs mq_open: add long file name check and parameter check 
 * [#5482#5445](https://github.com/apache/incubator-nuttx/pull/#5482#5445) arch: Replace nx_vsyslog with vsyslog task: Always implement posix_spawnp as macro 
 * [#5507#4963](https://github.com/apache/incubator-nuttx/pull/#5507#4963) arch: Align the implementation of stack related functions trace: and sched note dump 
 * [#4830#5366](https://github.com/apache/incubator-nuttx/pull/#4830#5366) arch: Remove fflush(stdout) from driver code binfmt: libelf: Implement sh_addralign handling
 * [#5741#4871](https://github.com/apache/incubator-nuttx/pull/#5741#4871) arch: Make the comment and definition of CONFIG_SYS_RESERVED correctly binfmt: elf: add bare metal coredump support 

Bug Fixes

 * [#5332#5503](https://github.com/apache/incubator-nuttx/pull/#5332) arch: Toolchain.defs: Simplify addition builtin library to EXTRA_LIBS #5503) Replece clock_gettime with clock_systime_timespec if suitable 
 * [#5122#5721](https://github.com/apache/incubator-nuttx/pull/#5122) arch: backtrace: correct the skip counter #5721) Remove the unnecessary code from nx_start
 * [#5095#5681](https://github.com/apache/incubator-nuttx/pull/#5095) arch: Select ARCH_HAVE_BACKTRACE in Kconfig for supported arch 
 * [#5342](https://#5681) Simplify and unify fcntl with FIOCLEX and FIONCLEX 
 * [#5082](https://github.com/apache/incubator-nuttx/pull/#5342#5082) arch: Add up_perf_getfreq function compile/flags: add FRAME_POINTER into Toolchain.defs 
 * [#5335#5199](https://github.com/apache/incubator-nuttx/pull/#5335#5199) arch: cache: flush/clean dcache all if size large than cache size file_operations: get back C89 compatible initializer 
 * [#5328#5065](https://github.com/apache/incubator-nuttx/pull/#5328) arch: Decouple up_critmon_[gettime|convert] from critmon #5065) reanme CONFIG_USER_ENTRYPOINT to CONFIG_INIT_ENTRYPOINT
 * [#4699#5399](https://github.com/apache/incubator-nuttx/pull/#4699) arch: cache: add lock & unlock feature #5399) Add CONFIG_NDEBUG Kconfig to control NDEBUG definition 
 * [#4910#5347](https://github.com/apache/incubator-nuttx/pull/#4910) arch: Dump task name through tcb_s::name instead of argv[0] #5347) register_driver: fix driver modes accross the code 
 * [#4677#5509](https://github.com/apache/incubator-nuttx/pull/#4677#5509) arch: *_cpupause:Allow a spin before taking the g_cpu_wait spinlock. libc.csv: Add pthread_setname_np and pthread_getname_np 
 * [#5007#5364](https://github.com/apache/incubator-nuttx/pull/#5007#5364) arch: assert: flush the syslog before stack dump to avoid buffer overwrite libc.csv: Add more symbols 

 * [#4942#4971](https://github.com/apache/incubator-nuttx/pull/#4942#4971) arch: tcbinfo: fix build break if task name disabled audio: audio_comp.c: capbility should use collections 
 * [#4941#5072](https://github.com/apache/incubator-nuttx/pull/#4941#5072) arch: Remove the duplicated up_tls_info implementation graphics: vncserver: Implement vsync 
 * [#5385#5058](https://github.com/apache/incubator-nuttx/pull/#5385#5058) archgraphics: Toolchain.defs: Replace --print-file-name=libgcc.a with --print-libgcc-file-name vncserver: Fix buffer overflow 
 * [#5371#5132](https://github.com/apache/incubator-nuttx/pull/#5371#5132) archgraphics: Toolchain.defs: Don't expand EXTRA_LIBS immediately vnc: Decouple VNC server from NX graphic stack 
 * [#5057#4998](https://github.com/apache/incubator-nuttx/pull/#5057) arch: arm/risc-v/xtensa: enhance the task dump #4998) system: note dump: add CONFIG_SCHED_INSTRUMENTATION_SWITCH 
 * [#5397#5435](https://github.com/apache/incubator-nuttx/pull/#5397#5435) arch: arm/renesas/xtensa: fix leaving from critical section wireless: bluetooth: fix build break if NET_6LOWPAN enabled 

 * [#5231#5487](https://github.com/apache/incubator-nuttx/pull/#5231#5487) arch: arm/xtensa/risc-v: save the running registers to xcp context binfmt: Decouple builtin from binfs file system
 * [#5719#4667](https://github.com/apache/incubator-nuttx/pull/#5719#4667) arch: Move [arm|xtensa]_intstack_[alloc|top] to common header file binfmt: Remove umm_initialize from elf_load
 * [#5060#5351](https://github.com/apache/incubator-nuttx/pull/#5060#5351) archbinfmt: Kconfig: Add HAVE_SYSCALL_HOOKS configs to Xtensa arch. elf.c: Fix syslog formats for ELF64 
 * [#4816#5522](https://github.com/apache/incubator-nuttx/pull/#4816#5522) arch: arm: Remove EXPERIMENTAL from ARCH_TRUSTZONE_XXX binfmt: Fix binfmt for BUILD_KERNEL & ADDRENV 
 * [#5562#4689](https://github.com/apache/incubator-nuttx/pull/#5562#4689) arch: arm: add BUILD_KERNEL code in arm: arm_vectors.S binfmt: remove the specified prefix from target variables 
 * [#4980#5229](https://github.com/apache/incubator-nuttx/pull/#4980#5229) archbinfmt: arm: select LIBC_ARCH_ATOMIC when config ARCH_CHIP_RP2040 coredump: remove the block fragmentation 

 * [#4961#5409](https://github.com/apache/incubator-nuttx/pull/#4961#5409) archlibc: arm: assert: fix the stack dump overflow stdlib: Compile lib_openpty.c without checking CONFIG_SERIAL_TERMIOS 
 * [#4935#5600](https://github.com/apache/incubator-nuttx/pull/#4935#5600) arch: arm: Implement TLS support libc: Imx6 thumb 
 * [#4917#5474](https://github.com/apache/incubator-nuttx/pull/#4917#5474) arch: arm: Kconfig: Add ARCH_HAVE_PROGMEM config libc: posix_openpty should use the absolute path("dev/ptmx") 
 * [#5593#5508](https://github.com/apache/incubator-nuttx/pull/#5593#5508) archlibc: arm: unify some duplicate code to common layer sim: Rename arch_setjmp[64].S to arch_setjmp_x86[_64].S 
 * [#5691#4829](https://github.com/apache/incubator-nuttx/pull/#5691#4829) arch: arm: Move setjmp to common place libc: Make perror work without CONFIG_FILE_STREAM 
 * [#5087#4779](https://github.com/apache/incubator-nuttx/pull/#5087#4779) arch: arm: assert: move the arm_assert to common code libc: wqueue Correct time calculation in work_p… 
 * [#5085#4756](https://github.com/apache/incubator-nuttx/pull/#5085#4756) archlibc: machine: arm: move the backtrace implement to common code xtensa: add xtensa libc implement 
 * [#5084#4752](https://github.com/apache/incubator-nuttx/pull/#5084) arch: arm#4752) libc Move lib_filesem.c, lib_stream.c and lib_streamsem.c to libc/stdio : select ARM_THUMB by default for Cortex-M 
 * [#5329#5288](https://github.com/apache/incubator-nuttx/pull/#5329#5288) arch: arm: Fix make export for armv7-a SoCs libc: misc: lib_execinfo.c: fix bad memory access 
 * [#5105#5290](https://github.com/apache/incubator-nuttx/pull/#5105#5290) arch: arm: Fix rebase error in arm_backtrace_thumb.c libc: backtrace_malloc change sprintf to snprintf 
 * [#5703#5381](https://github.com/apache/incubator-nuttx/pull/#5703#5381) arch: arm: Support setjmp/longjmp for all socs libc: sim: arch_elf64.c: Implement R_X86_64_PC64 
 * [#5582#4870](https://github.com/apache/incubator-nuttx/pull/#5582#4870) arch: arm: replace SYS_syscall_return hardcode from syscall libc: add interface to support output stream as buffer style 
 * [#5502#4861](https://github.com/apache/incubator-nuttx/pull/#5502#4861) archlibc: arm: armv7-a: Add debug messages for addrenvpthread: Implement pthread_atfork 
 * [#5511#4992](https://github.com/apache/incubator-nuttx/pull/#5511#4992) arch: arm: armv7-a: Fix arm_syscall for SYS_pthread_start libc: Move stream implementation from libs/libc/stdio to libs/libc/stream 
 * [#5517#4768](https://github.com/apache/incubator-nuttx/pull/#5517#4768) archlibc: arm: armv7-a: fix gtm.h GTM_COMP1 and GTM_AUTO defines machine: add config LIBC_ARCH_MEMCHR 
 * [#5620#4855](https://github.com/apache/incubator-nuttx/pull/#5620#4855) archlibc: arm: armv7-a: Remove CONFIG_SMP guard from arm_scu.c psignal: Output the message to STDERR_FILENO instead STDOUT_FILENO 
 * [#5742#4853](https://github.com/apache/incubator-nuttx/pull/#5742#4853) archlibc: arm: armv7-a/r: unified syscall registers dump hex2bin: Handle the line ending(\r, \n and \r\n) dynamically 
 * [#5066#5690](https://github.com/apache/incubator-nuttx/pull/#5066#5690) archlibc: arm: armv7-a/r: dump all registers with alias gettext: Support the plural format 
 * [#5354#5692](https://github.com/apache/incubator-nuttx/pull/#5354#5692) archlibc: arm: armv7-a/r: cp15_invalidate_dcache_all: fix Sets mask error. stdio: Fix bug when CONFIG_LIBC_NUMBERED_ARGS is enabled 
 * [#5367#5465](https://github.com/apache/incubator-nuttx/pull/#5367#5465) archlibc: arm: armv7-a/r: bugfix: fix a4 register use but not store in xxx_invalidate/flush/clean_all.S chdir:"PWD" should save absolute path 
 * [#5558#4994](https://github.com/apache/incubator-nuttx/pull/#5558#4994) archlibc: arm: armv7-a/r: fix SVC's sp restore in arm_vectors.S 
textdomain: Fix error behaviour 
 * [#5628#5039](https://github.com/apache/incubator-nuttx/pull/#5628#5039) archlibc: arm: armv7-a/r: handle swi on interrupt stack lzfcompress: add lzf compress stream 
 * [#5734#4859](https://github.com/apache/incubator-nuttx/pull/#5734#4859) archlibc: arm: armv7-a/r: set the default CPU mode to System getdelim: Remove KERNEL check since it shouldn't be called inside kernel 
 * [#5506#4944](https://github.com/apache/incubator-nuttx/pull/#5506#4944) archlibc: arm: armv7-a/r: unify switch context from software interrupt getopt: Move struct getopt_s to include/nuttx/tls.h 
 * [#5441#4881](https://github.com/apache/incubator-nuttx/pull/#5441#4881) arch: arm: armv7-a/r: cache: add cp15_cache_size function and use flush/clean_all if size large than cache size libc: Update include/nuttx/input/x11_keysymdef.h to the latest version 
 * [#5650#5126](https://github.com/apache/incubator-nuttx/pull/#5650#5126) archlibc: arm: armv7-a/r: cache: modify hardcode in cache set/way math: fix fmod family operation 
 * [#4702#5125](https://github.com/apache/incubator-nuttx/pull/#4702#5125) archlibc: arm: armv7-m,armv7-r,armv8-m:MPU Add mpu_reset and ARM_MPU_EARLY_RESET math: fix log and logf calculations on ARMv7 (and maybe others) 
 * [#5477#5170](https://github.com/apache/incubator-nuttx/pull/#5477#5170) archlibc: arm: armv8-m: Handle the special irq correctly in up_secure_irq pthread:pthread_barrierinit sem use pri_none 
 * [#5355#2063](https://github.com/apache/incubator-nuttx/pull/#5355#2063) arch: arm: cortex-m: doirq: do not update the CURRENT_REGS on nested interrupt handling libc: Fix libcxx for sim/macOS 
 * [#4960#5269](https://github.com/apache/incubator-nuttx/pull/#4960#5269) arch: arm: cortex-m: backtrace: remove the push process to simplify backtrace libc: Fix a few libcxx build issues for sim/macOS 
 * [#4956#5202](https://github.com/apache/incubator-nuttx/pull/#4956#5202) archlibc: arm: cortexlibcxx-mmini: assert: dump all registers with alias operator new will assert when alloc failed. 
 * [#4955#5180](https://github.com/apache/incubator-nuttx/pull/#4955#5180) archlibc: arm: cortex-m: fault: add CFSR(Configurable Fault Status Register) Definitions pthread: restore pthread mutex default protocol POSIX compatibility 
 * [#5048#5549](https://github.com/apache/incubator-nuttx/pull/#5048#5549) arch: arm: cortex-m: hardfault: add secure-fault handler libc: pthread: add the kernel stack allocation for ADDRENV=y and BUILD_KERNEL 
 * [#4959#4978](https://github.com/apache/incubator-nuttx/pull/#4959#4978) arch: arm: cortex-m: enhance the crash dump libc: Add getprogname function 
 * [#4957#5004](https://github.com/apache/incubator-nuttx/pull/#4957#5004) archlibc: armunistd: cortex-m: hardfault: add usage/bus-fault handler getopt: Use argc to end parsing 
 * [#4965#5017](https://github.com/apache/incubator-nuttx/pull/#4965#5017) arch: arm: cortex-m23: remove mem-fault select from armv8-m baseline libc: Enable terminal api regardless of CONFIG_SERIAL_TERMIOS setting 
 * [#5053](https://github.com/apache/incubator-nuttx/pull/#5053) libc: symtab: optimize the find speed by bisection 
 * [#5587#5096](https://github.com/apache/incubator-nuttx/pull/#5587#5096) arch: arm: efm32: Garbage configuration setting in EFM32 code libc: Add backtrace_symbols[_fd] functions 
 * [#5633#4874](https://github.com/apache/incubator-nuttx/pull/#5633#4874) archlibc: arm: imx6: Fix imx6 stdoutstream: restore the output method to fputc() 
 * [#5639#5564](https://github.com/apache/incubator-nuttx/pull/#5639#5564) archlibc: arm: imx6: Add the pgheap for imx6 machine: Implement ARM aeabi_xxx API called by clang 
 * [#4784#5398](https://github.com/apache/incubator-nuttx/pull/#4784#5398) arch: arm: imxrt: fixes libc: Implement posix_openpt 
 * [#4717#4962](https://github.com/apache/incubator-nuttx/pull/#4717#4962) archlibc: arm: imxrt: rename imxrt_lowputc to arm_lowputc and drop CONFIG_DEBUG_FEATURES allsyms: Load all symbols for debugging 
 * [#4951#4909](https://github.com/apache/incubator-nuttx/pull/#4951#4909) arch: arm: lc823450: Replace the critical section with spinlock in lc823450_serial.c libc: Add mknod implementation 
 * [#5032#4894](https://github.com/apache/incubator-nuttx/pull/#5032#4894) archlibc: arm: nrf52: NRF52_SDC_LE_CODED_PHY not available for nrf52832 misc: add err.c to libc 
 * [#5031#4893](https://github.com/apache/incubator-nuttx/pull/#5031#4893) archlibc: arm: nrf52: small improvements for softdevice str: add strlcat to libc 
 * [#5642#5575](https://github.com/apache/incubator-nuttx/pull/#5642#5575) archlibc: armsched: phy62xx: remove unused private header task_setcanceltype: fix function name in comment 
 * [#4786#4828](https://github.com/apache/incubator-nuttx/pull/#4786#4828) archlibc: arm: rp2040: support I2C_RESET stdio: Handle 64bits off_t correctly 
 * [#5552#4804](https://github.com/apache/incubator-nuttx/pull/#5552#4804) archlibc: arm: rtl8720c: Remove the unused Toolchain.defs netdb: fix access within misaligned address error 
 * [#5220#4725](https://github.com/apache/incubator-nuttx/pull/#5220#4725) arch: arm: s32k1xx: implement uniqueid libc: Improve the netdb config consistency 
 * [#5700#4985](https://github.com/apache/incubator-nuttx/pull/#5700#4985) arch: arm: sam34: sam_dmac.c: Fix compilation error libc: Remove CEVA tl420/tl421 support on Nuttx 
 * [#5513#5036](https://github.com/apache/incubator-nuttx/pull/#5513#5036) archlibc: arm: samv7: fix peripheral id shift during transmit xdma configuration net: Implement getifaddrs and freeifaddrs 
 * [#5413#5519](https://github.com/apache/incubator-nuttx/pull/#5413#5519) arch: arm: samv7: sam_progmem: insert DMB instruction into data write loop libc: Fix -Werror=nonnull-compare and -Werror=format-truncation= 
 * [#5411#5629](https://github.com/apache/incubator-nuttx/pull/#5411#5629) arch: arm: samv7: add arm_systemreset.c to CMN_CSRCS libc: fix up_tls_info define for BUILD_KERNEL 
 * [#5471#5307](https://github.com/apache/incubator-nuttx/pull/#5471#5307) arch: arm: samv7: Added support for PWM driverlibc: bug patch for frexpf function 
 * [#4795#5107](https://github.com/apache/incubator-nuttx/pull/#4795#5107) arch: arm: samv7: add support for AFEC driver libc: Ensure that sethostname null terminates the hostname correctly 
 * [#4737#5479](https://github.com/apache/incubator-nuttx/pull/#4737#5479) archlibdsp: armlib_observer: samv7: add support for QSPI driver in SPI Mode add nolinear fluxlink observer 
 * [#5145#5483](https://github.com/apache/incubator-nuttx/pull/#5145#5483) arch: arm: samv7: correct number on interrupts libdsp: improvements for lib_observer.c 
 * [#4950#5563](https://github.com/apache/incubator-nuttx/pull/#4950#5563) arch: arm: samv7: enable MCAN driver support for both rev A and rev B libdsp: minor improvements and support for fixed16 observers 
 * [#4901#5527](https://github.com/apache/incubator-nuttx/pull/#4901#5527) arch: arm: samv7: Add DMA and TC support to AFEC (ADC) driver libnx: handle the bad message correctly 
 * [#5146#5321](https://github.com/apache/incubator-nuttx/pull/#5146#5321) archlibxx: arm: samv7: rework SAMv7 timer counter implementation uclibxx: add patch use overload constructor of filebuf & ostream 
 * [#5219#4747](https://github.com/apache/incubator-nuttx/pull/#5219#4747) arch: arm: samv7: implement quadrature encoder driver Revert "libc: Implement fesetround & fegetround for arm" 
 * [#5043#4739](https://github.com/apache/incubator-nuttx/pull/#5043) arch: arm: samv7: initial support for LIN bus communication (Master only) #4739) Revert "lib/netdb: Change the default NETDB_DNSCLIENT_NAMESIZE to NAM… 

 * [#4904#5459](https://github.com/apache/incubator-nuttx/pull/#4904#5459) archmm: arm: samv7: fix unaligned address write for progmem interface mm_heap: add mm_foreach to run handler for every memory node
 * [#4899#5504](https://github.com/apache/incubator-nuttx/pull/#4899#5504) arch: arm: samv7: fix page size flash writing for page unaligned addresses mm: handle take mm sem in IRQ 
 * [#5393#4765](https://github.com/apache/incubator-nuttx/pull/#5393#4765) archmm: arm: samv7: fix leaving from critical section in HSMCI callback fix realloc overwrite memcpy when use a new block 
 * [#5206#4759](https://github.com/apache/incubator-nuttx/pull/#5206#4759) arch: arm: stm32: add FDCAN support mm: do kmm_checkcorruption in IRQ when TCB_FLAG_DEBUG_CHECK set
 * [#5169#5532](https://github.com/apache/incubator-nuttx/pull/#5169#5532) arch: arm: stm32: add SocketCAN support mm: fix gran_alloc() array index range checking 
 * [#5167#5548](https://github.com/apache/incubator-nuttx/pull/#5167#5548) arch: arm: stm32: add CAN error support mm: fix #if condition of g_mmheap for BUILD_KERNEL and ADDRENV 
 * [#5419#5539](https://github.com/apache/incubator-nuttx/pull/#5419#5539) arch: arm: stm32: add FDCAN SocketCAN support mm: handle take mm sem in IRQ 
 * [#5481#5585](https://github.com/apache/incubator-nuttx/pull/#5481#5585) arch: arm: stm32: fdcan: add CAN FD frames support mm: Add memory dump function when enable CONFIG_DEBUG_MM 

 * [#5370#5417](https://github.com/apache/incubator-nuttx/pull/#5370#5417) arch: armpthread: stm32: Add OTG ID GPIO disable Add len argument to pthread_getname_np 

 * [#4790#4798](https://github.com/apache/incubator-nuttx/pull/#4790#4798) arch: arm: stm32: Qencoder: add support for the encoder index pin and implementation for stm32/qenco sched: Reduce the default preallocated buffer when DEFAULT_SMALL=y 
 * [#5627#5632](https://github.com/apache/incubator-nuttx/pull/#5627#5632) archsched: arm: stm32f103re has a dac module.but the pinmap file has no correspondinggroup: Fix dataabort when exiting task or pthread if ARCH_ADDR_ENV=y 
 * [#5300#5658](https://github.com/apache/incubator-nuttx/pull/#5300#5658) archsched: arm: stm32f20xxf40xx: up_progmem_erasesize for stm32f20xxf40xx_flash.c group: Simplify the allocation and deallocation logic 
 * [#5605#5649](https://github.com/apache/incubator-nuttx/pull/#5605#5649) arch: arm: stm32f405: Add DAC2 configuration Revert "sched: Don't duplicate caller file handler when creating kernel thread"
 * [#4967#5543](https://github.com/apache/incubator-nuttx/pull/#4967#5543) arch: arm: stm32f412: add SPI2 & SPI3 sched: Mark pthread as non-cancelable to avoid additional calls to pthread_exit() 
 * [#5267#5583](https://github.com/apache/incubator-nuttx/pull/#5267#5583) archsched: arm: stm32f7: serial fix PM_CONFIG build note:add switch and dump instrumentation 
 * [#5064#5416](https://github.com/apache/incubator-nuttx/pull/#5064#5416) arch: arm: stm32f7: sdmmc invalidate before DMA to avoid eviction overwrite -sched: Disable pthread by default when DEFAULT_SMALL is enabled
 * [#4704#5015](https://github.com/apache/incubator-nuttx/pull/#4704#5015) arch: arm: stm32f0/g0/l0: Add custom clock config option to stm32f0/g0/l0 chips 
 * [#4872](https://githubsched: add holder in sem_trywait 
 * [#5264](https://github.com/apache/incubator-nuttx/pull/#4872#5264) arch: arm: stm32f7: sdmmc defer invalidate until after DMA completion sched: Define SMP_NCPUS to 1 in no SMP case 
 * [#5677#4803](https://github.com/apache/incubator-nuttx/pull/#5677#4803) archsched: arm: stm32f7: fix CAN3 receiving signal: add spinlock to g_sigfreeaction 
 * [#4741#4799](https://github.com/apache/incubator-nuttx/pull/#4741#4799) arch: arm: stm32g4: Minor fixes for stm32g4 foc sched: Disable message queue by default when DEFAULT_SMALL equals y 
 * [#4780#4772](https://github.com/apache/incubator-nuttx/pull/#4780#4772) archsched: arm: stm32h7: sdmmc: do not enable power saving configuration bit in SD 4-bit mode vfork: allocate tls_info_s instead task_info_s from stack 
 * [#4770#4931](https://github.com/apache/incubator-nuttx/pull/#4770#4931) archsched: arm: stm32h7: dmamux: correct bit fields sched_waitpid:delete debugassert 
 * [#4755#4863](https://github.com/apache/incubator-nuttx/pull/#4755#4863) arch: arm: stm32h7: sdmmc: added missing sdio_set_sdio_card_isr() function to initialize SDIO in-band interrupt logic sched: Move g_tcbinfo to include/nuttx/sched.h 
 * [#4731#5331](https://github.com/apache/incubator-nuttx/pull/#4731#5331) archsched: arm: stm32h7: add low power timers critmonitor: remove the assertion if counter == 0 
 * [#5492#5098](https://github.com/apache/incubator-nuttx/pull/#5492#5098) archsched: arm: stm32h7: Fix build for all config {R|T}XDMA states backtrace: Dump the complete stack regardless the depth 
 * [#5493#5185](https://github.com/apache/incubator-nuttx/pull/#5493#5185) arch: arm: stm32h7: Flash fixes from 328374f4658d11655f268f968f4c6c7a3942f320 sched: Remove CONFIG_ prefix from SCHED_HPWORK 
 * [#4815#4666](https://github.com/apache/incubator-nuttx/pull/#4815#4666) arch: arm: stm32l4: dfumode: enable for STM32L4+ chips sched: Remove pidhash_s and move ticks to tcb_s 
 * [#5666#4676](https://github.com/apache/incubator-nuttx/pull/#5666#4676) arch: arm: stm32l4: stm32l4+ might need flash data cache corruption workaround sched: Check g_pidhash[hash_ndx] isn't NULL before access pid field in nxsched_get_tcb 
 * [#4975#5545](https://github.com/apache/incubator-nuttx/pull/#4975#5545) archsched: arm: stm32l4: stm32l4_pwm.c: fix printf format clock: Remove CLOCK_MONOTONIC option from Kconfig 
 * [#5520#5464](https://github.com/apache/incubator-nuttx/pull/#5520#5464) archsched: ceva: update the code to the latest mainline tcbinfo: Fix warning by discarded qualifiers 
 * [#5568#5455](https://github.com/apache/incubator-nuttx/pull/#5568#5455) archsched: ceva: Replace OUTDIR with TOPDIR mqueue: remove unused leave_cancellation_point 
 * [#5727#5456](https://github.com/apache/incubator-nuttx/pull/#5727#5456) archsched: ceva: Move the idle stack initialization to up_initial_state module: remove redundant unlock 
 * [#5696#5392](https://github.com/apache/incubator-nuttx/pull/#5696#5392) arch: sim: add all symbols support sched: Remove SDCLONE_DISABLE option and config 
 * [#5641#4858](https://github.com/apache/incubator-nuttx/pull/#5641#4858) archsched: sim: add loop thread to handle dev loops watchdog: remove tick check in wd_timer 
 * [#4716#5018](https://github.com/apache/incubator-nuttx/pull/#4716#5018) arch: sim: add native socket support based on usrsock sched: init/nx_start.c: fix compile break when CONIFG_TASK_NAME_SIZE=0 
 * [#4882#4999](https://github.com/apache/incubator-nuttx/pull/#4882#4999) archsched: sim: Add new option to enable arch specific hostfs sched_note: change uint32_t nbi_module into uint8_t array 
 * [#4776#4989](https://github.com/apache/incubator-nuttx/pull/#4776#4989) arch: sim: host ASAN improvement sched: fix bug in the function nxsched_resume_scheduler 
 * [#5401#4958](https://github.com/apache/incubator-nuttx/pull/#5401#4958) archsched: sim: initial support sim:nsh on MacOS M1 based hosts. signal: Introduce a private spinlock in sig_action.c 
 * [#5452#4954](https://github.com/apache/incubator-nuttx/pull/#5452#4954) archsched: sim: detect clang native compiler on MacOS. dumpstack: raise the stack dump level to emergency 
 * [#5414#4953](https://github.com/apache/incubator-nuttx/pull/#5414#4953) archsched: sim: Unify the return value of usrsock_xxx_handler 
semaphore: fix race condition for timed wait 
 * [#5473#4913](https://github.com/apache/incubator-nuttx/pull/#5473#4913) arch: sim: Always typedef xcpt_reg_t to unsigned long sched: Move argv from tcb_s to task_info_s 
 * [#4751#5368](https://github.com/apache/incubator-nuttx/pull/#4751#5368) archsched: arm: Add l suffix for INT32_C macro idle: remove heap & stack check in idle thread
 * [#5099#4782](https://github.com/apache/incubator-nuttx/pull/#5099#4782) archsched: sim: Implement up_backtrace sem: remove limitation of irq context when do sem_trywait
 * [#5071#4972](https://github.com/apache/incubator-nuttx/pull/#5071#4972) archsched: sim: Support vncserver as display device wqueue: update wqueue to support using wqueue before wqueue start 
 * [#4977#5266](https://github.com/apache/incubator-nuttx/pull/#4977#5266) arch: sim: add CONFIG_SIM_STACKSIZE_ADJUSTMENT to reduce variability sched: IDLE thread will not boost up when IDLE hold sem 
 * [#5384#5540](https://github.com/apache/incubator-nuttx/pull/#5384#5540) archsched: sim: Adjust the stack size for up_use_stack too semaphore: fix corner case sem_waitirq assert crash 
 * [#5486#4682](https://github.com/apache/incubator-nuttx/pull/#5486#4682) archsched: sim: Fix a build with clang on linux cpuload: fix crash because of the member of g_pidhash is NULL 
 * [#5295#5171](https://github.com/apache/incubator-nuttx/pull/#5295#5171) archsched: sim: Added Kconfig option for UART buffer size. semphore: release all semphores' holder that the task held when exit 
 * [#5188#5063](https://github.com/apache/incubator-nuttx/pull/#5188#5063) archsched: sim: Rename up_vfork_x[32|64].S to up_vfork_x86[_64].S wqueue: fix NO leave_critical_section() when only CONFIG_SCHED_HPWORK 

Major Changes to the Build System

New Features

 * [#5179#5638](https://github.com/apache/incubator-nuttx/pull/#5179#5638) arch: sim: Move spiflash simulation to drivers/spi instead tools: add parsememdump.py to parse memdump info(by cmd: memdump all) 
 * [#5178#5622](https://github.com/apache/incubator-nuttx/pull/#5178#5622) arch: sim: Rename up_vfork[32|64].S to up_vfork_x[32|64].S tools: add rustfmt to checkpatch 
 * [#4925](https://github.com/apache/incubator-nuttx/pull/#4925) tools: Add size report script
 * [#5431#5153](https://github.com/apache/incubator-nuttx/pull/#5431#5153) archtools: sim: Don't add up_tls_size in up_use_stack before foward to up_create_stack mpfs: prepare OpenSBI image 

Bug Fixes

 * [#4487#5362](https://github.com/apache/incubator-nuttx/pull/#4487#5362) archtools: sim: Don't add -lc++abi to STDLIBS mkromfsimg.sh: add attribute to set minimum 4 bytes aignment for romfs image data 
 * [#4791#4794](https://github.com/apache/incubator-nuttx/pull/#4791#4794) archtools: sim: btuart: Remove the unnecessary config mkconfig: Handle string with escape character correctly 
 * [#5313#4730](https://github.com/apache/incubator-nuttx/pull/#5313#4730) arch: sim: netdev: retrieve all the queued RX frames from the network device on every poll tools: add code coverage tool 
 * [#4696#5174](https://github.com/apache/incubator-nuttx/pull/#4696#5174) arch: sim: rptun: Trigger the callback only the sequnece number change tools: Fix parallel build issue due to missing dependency 
 * [#5286#5275](https://github.com/apache/incubator-nuttx/pull/#5286#5275) arch: sim: up_macho_init.c: Add a workaround for Monterey tools: mkromfsimg.sh: fix build error in case if romfs is used 
 * [#5046#5274](https://github.com/apache/incubator-nuttx/pull/#5046#5274) arch: sim: usrsock: increase the sim usrsock buffer size tools: add option to reuse boards common files for custom boards 
 * [#5030#5715](https://github.com/apache/incubator-nuttx/pull/#5030#5715) arch: sim: usrsock: reuse the socket address to avoid bind timeout tools: define BOARD_COMMON_DIR only if ARCH_BOARD_COMMON is set 
 * [#5685#5533](https://github.com/apache/incubator-nuttx/pull/#5685#5533) arch: sim: syscall: add syscall note support in the flat build tools: Default macro to compile one Rust file. 
 * [#4754#5494](https://github.com/apache/incubator-nuttx/pull/#4754#5494) tools: Unix.mk: silence output from version.sh ) Revert "sim: Specify -fshort-wchar as NuttX wchar_t is 16-bit" 
 * [#4945#5400](https://github.com/apache/incubator-nuttx/pull/#4945#5400) archtools: risc-v: Introduce basic support for qemu rv32 mkconfig: Remove the unnecessary config option correction 
 * [#5291#4701](https://github.com/apache/incubator-nuttx/pull/#5291#4701) arch: risc-v: Unify common irq code tools: esp32: Refactor generation of QEMU-compatible image 
 * [#5192#4865](https://github.com/apache/incubator-nuttx/pull/#5192) arch: risc-v: Merge rv32im and rv64gc into common #4865) tools: gdbinit: add sim:x86-m32 support 
 * [#5228#4926](https://github.com/apache/incubator-nuttx/pull/#5228#4926) archtools: risc-v: Support both rv32/rv64 on qemu-rv rp2040: Compile with C++14
 * [#5160#4936](https://github.com/apache/incubator-nuttx/pull/#5160#4936) arch: risc-v: Replace __LP64__ with CONFIG_ARCH_RV64 tools: Rename size_report to size_report.py 
 * [#5148#5518](https://github.com/apache/incubator-nuttx/pull/#5148#5518) arch: risc-v: Refine riscv_assert.c and arch.h tools: mkallsyms.sh: Disable the mismatch warning of builtin declaration 
 * [#5243#5346](https://github.com/apache/incubator-nuttx/pull/#5243#5346) arch: risc-v: Make exception_common 8 byte align tools: Config.mk: suppress all normal output for cmp 
 * [#5709#5374](https://github.com/apache/incubator-nuttx/pull/#5709#5374) arch: risc-v: mpfs: Make cleaner pinmux configurations for USB tools: Detect correct host CPU on MacOS/Linux running on ARM. 
 * [#5209#4673](https://github.com/apache/incubator-nuttx/pull/#5209#4673) arch: risc-v: Refine riscv_vectors.S tools: CeDeROM add *BSD support 20211016 
 * [#5123#4494](https://github.com/apache/incubator-nuttx/pull/#5123#4494) archtools: risc-v: Correct epc adjustment with C ISA build: Replace 'make download' with 'make flash', but keep both for now
 * [#5106#5116](https://github.com/apache/incubator-nuttx/pull/#5106#5116) arch: risc-v: Refine riscv_testset.S tools: Remove .clean_context 
 * [#5076#4869](https://github.com/apache/incubator-nuttx/pull/#5076#4869) arch: risc-v: Refine Toolchain.defs tools: Improve releasecheck.sh 
 * [#5097#5491](https://github.com/apache/incubator-nuttx/pull/#5097#5491) arch: risc-v: Move riscv_blocktask.c to common tools: Fix configure.sh for custom apps dir. 
 * [#5092#5495](https://github.com/apache/incubator-nuttx/pull/#5092#5495) archtools: risc-v: Remove unneeded kconfigs Fix jlink-nuttx build with GCC 10.2 
 * [#5064#5505](https://github.com/apache/incubator-nuttx/pull/#5064#5505) arch: risc-v: opensbi: Make.defs: use a wildcard for file listing tools: Fix JLinkGDBServer crash attaching to target
 * [#5314#5147](https://github.com/apache/incubator-nuttx/pull/#5314#5147) arch: risc-v: Move xxx_cpustart.c to common tools: Improve dependencies for include/nuttx/version.h 
 * [#5103#5162](https://github.com/apache/incubator-nuttx/pull/#5103#5162) arch: risc-v: Refine riscv_fpu.S tools: Improve dirlinks dependencies for Makefile.win 
 * [#5273#5055](https://github.com/apache/incubator-nuttx/pull/#5273) arch: risc-v: Sv39 MMU driver#5055) tools: Improve Makefile.[unix|win]::context's dependencies 
 * [#5135#5163](https://github.com/apache/incubator-nuttx/pull/#5135#5163) arch: risc-v: Refine riscv_initialstate.c tools: Rename Makefile.* to have the .mk extension 

Architectural Support

New Architecture Support

 * [#5115#4897](https://github.com/apache/incubator-nuttx/pull/#5115#4897) arch: arm: risc-v: Refine syscall interface phy62xx: Phyplus release 1.2 
 * [#5113#5470](https://github.com/apache/incubator-nuttx/pull/#5113#5470) arch: risc-v: Add backtrace to risc-v common sources arm: STM32U5 Architecture Support 
 * [#5109#5165](https://github.com/apache/incubator-nuttx/pull/#5109#5165) arch: risc-v: mpfs: Add MSSIO GPIO pinmap configuration ceva: add ceva platform xc5 xm6 support 
 * [#5306#5352](https://github.com/apache/incubator-nuttx/pull/#5306#5352) arch: risc-v: mpfs: OpenSBI: utilize an index2id table : xtensa: Add initial support for ESP32-S3 
 * [#4983#5241](https://github.com/apache/incubator-nuttx/pull/#4983#5241) arch: risc-v: Implement TLS support sparc: Port nuttx to sparc-v8

Architecture with Significant Improvements

 * [#5707#5468](https://github.com/apache/incubator-nuttx/pull/#5707#5468) arch: risc-v: Implement SYS_save_context in swint Add xxx_tcbinfo.c to SoC level Make.defs 
 * [#5695#5482](https://github.com/apache/incubator-nuttx/pull/#5695#5482) arch: risc-v: Save/Load float register in setjmp Replace nx_vsyslog with vsyslog 
 * [#5478#5507](https://github.com/apache/incubator-nuttx/pull/#5478#5507) arch: risc-v: Use _ebss instead of _default_stack_limit as idle stack baseAlign the implementation of stack related functions 
 * [#5484#4830](https://github.com/apache/incubator-nuttx/pull/#5484#4830) arch: risc-v: Implement common up_cpu_idlestack Remove fflush(stdout) from driver code 
 * [#5490#5741](https://github.com/apache/incubator-nuttx/pull/#5490#5741) arch: risc-v: Let g_cpu_basestack determined at compile time Make the comment and definition of CONFIG_SYS_RESERVED correctly 
 * [#5454#5332](https://github.com/apache/incubator-nuttx/pull/#5454#5332) arch: risc-v: Remove duplicated up_idle logic Toolchain.defs: Simplify addition builtin library to EXTRA_LIBS 
 * [#5358#5122](https://github.com/apache/incubator-nuttx/pull/#5358#5122) arch: risc-v: RISC-V MMU: Add missing implementation for PTE getter backtrace: correct the skip counter 
 * [#5240#5095](https://github.com/apache/incubator-nuttx/pull/#5240#5095) arch: risc-v: Refine riscv_cpupause.c 
Select ARCH_HAVE_BACKTRACE in Kconfig for supported arch 
 * [#5308#5342](https://github.com/apache/incubator-nuttx/pull/#5308#5342) arch: risc-v: Merge mcause.h into irq.h Add up_perf_getfreq function 
 * [#5210#5335](https://github.com/apache/incubator-nuttx/pull/#5210#5335) arch: risc-v: Refine exception_common cache: flush/clean dcache all if size large than cache size 
 * [#5236#5328](https://github.com/apache/incubator-nuttx/pull/#5236#5328) arch: risc-v: Refine riscv_cpuindex.c Decouple up_critmon_[gettime|convert] from critmon 
 * [#5316#4699](https://github.com/apache/incubator-nuttx/pull/#5316#4699) arch: risc-v: bl602: Fix broken bl602 flash due to partition_table being incorrectly marked as unused cache: add lock & unlock feature 
 * [#5221#4910](https://github.com/apache/incubator-nuttx/pull/#5221#4910) arch: risc-v: bl602: Rename bl602_entry.S to bl602_head.S Dump task name through tcb_s::name instead of argv[0] 
 * [#4876#4677](https://github.com/apache/incubator-nuttx/pull/#4876#4677) arch: risc-v: bl602: Enable GPIO output *_cpupause:Allow a spin before taking the g_cpu_wait spinlock. 
 * [#4984#5007](https://github.com/apache/incubator-nuttx/pull/#4984#5007) arch: risc-v: bl602: Swap SPI MISO and MOSI assert: flush the syslog before stack dump to avoid buffer overwrite 
 * [#5129#4942](https://github.com/apache/incubator-nuttx/pull/#5129#4942) arch: risc-v: esp32c3: SPI flash MTD device uses all flash space tcbinfo: fix build break if task name disabled 
 * [#4771#4941](https://github.com/apache/incubator-nuttx/pull/#4771#4941) arch: risc-v: esp32c3: Remove the DMA test included in the driver along with its defconfig. Remove the duplicated up_tls_info implementation 
 * [#4700#5385](https://github.com/apache/incubator-nuttx/pull/#4700#5385) arch: risc-v: esp32c3: Remove test code from crypto accelerators drivers. Toolchain.defs: Replace --print-file-name=libgcc.a with --print-libgcc-file-name 
 * [#4711#5371](https://github.com/apache/incubator-nuttx/pull/#4711#5371) arch: risc-v: esp32c3: Remove the stub implementations of the early serial Toolchain.defs: Don't expand EXTRA_LIBS immediately 
 * [#5615#5057](https://github.com/apache/incubator-nuttx/pull/#5615#5057) arch: arm/risc-v: esp32c3: Fix detection of CPU reset by Watchdog Timer /xtensa: enhance the task dump 
 * [#4796#5397](https://github.com/apache/incubator-nuttx/pull/#4796#5397) arch: risc-v: esp32c3: Fix MMU pages number calculation error arm/renesas/xtensa: fix leaving from critical section 
 * [#4820#5231](https://github.com/apache/incubator-nuttx/pull/#4820#5231) arch: arm/xtensa/risc-v: esp32c3: Partition supports BIO cmd save the running registers to xcp context 
 * [#4821#5719](https://github.com/apache/incubator-nuttx/pull/#4821#5719) arch: risc-v: esp32c3: Add hardware brownout check and reset Move [arm|xtensa]_intstack_[alloc|top] to common header file 
 * [#4834#5060](https://github.com/apache/incubator-nuttx/pull/#4834#5060) arch: risc-v: esp32c3: esp32c3_usbserial.c: Initialize cpuint to ENOMEMKconfig: Add HAVE_SYSCALL_HOOKS configs to Xtensa arch. 
 * [#4813#4840](https://github.com/apache/incubator-nuttx/pull/#4813#4840) arch: risc-v: esp32c3: Fix GPIO Output on pins 18 and 19 USB/JTAG 
 * [#4809add MTDIOCTL_PROGMEM_ERASESTATE support 
 * [#5259](https://github.com/apache/incubator-nuttx/pull/#4809#5259) arch: risc-v: esp32c3: Driver for the ESP32-C3's CDC console. use HTONS, NTOHS, HTONL, NTOHL macro in kernel code 
 * [#4787#5008](https://github.com/apache/incubator-nuttx/pull/#4787#5008) arch: risc-v: esp32c3: Initialize the BLE Mac assert: unify stack and register dump across platforms 
 * [#4822#4810](https://github.com/apache/incubator-nuttx/pull/#4822#4810) arch: risc-v: esp32c3: Fix reset triggering crash nested when crash debug: add tools for task aware debug 
 * [#4740#5088](https://github.com/apache/incubator-nuttx/pull/#4740#5088) arch: risc-v: esp32c3: Fix Wi-Fi & BLE coexist issues make/allsyms: skip the unnecessary link operation 
 * [#4886#4749](https://github.com/apache/incubator-nuttx/pull/#4886#4749) arch: risc-v: esp32c3: Refactor SPI Flash to support umask interrupt when R/W/E SPI Flash Remove FILE dump code from _up_dumponexit
 * [#4885#5309](https://github.com/apache/incubator-nuttx/pull/#4885#5309) arch: risc-v: esp32c3: Refactor ADC calibration : toolchain: add libm to EXTRA_LIBS only if it is provided by the compiler 
 * [#5616#5120](https://github.com/apache/incubator-nuttx/pull/#5616#5120) arch: risc-v: esp32c3: Enable Timer Groups clocks on timer initialization signal: signal handler may cause task's state error 
 * [#5304#4993](https://github.com/apache/incubator-nuttx/pull/#5304#4993) arch: risc-v: esp32c3: esp32c3_irq.c: Skip over ECALL instruction. tls: restore C89 compatibility for TLS 
 * [#5457#4816](https://github.com/apache/incubator-nuttx/pull/#5457#4816) arch: risc-v: esp32c3: Fix issue #5377 UART1 not working because clock as disabled arm: Remove EXPERIMENTAL from ARCH_TRUSTZONE_XXX 
 * [#5016#5562](https://github.com/apache/incubator-nuttx/pull/#5016#5562) arch: risc-v: esp32c3: Initialize rtc and peripheral parameters by default when chip starts arm: add BUILD_KERNEL code in arm: arm_vectors.S 
 * [#5124#4980](https://github.com/apache/incubator-nuttx/pull/#5124#4980) arch: risc-v: esp32s2/esp32c3: Remove unavailable support for ROM Basic Console arm: select LIBC_ARCH_ATOMIC when config ARCH_CHIP_RP2040 
 * [#5133#4961](https://github.com/apache/incubator-nuttx/pull/#5133#4961) arch: risc-v: esp32s2/esp32c3: Add support for enabling hardware Flash Encryption on boot arm: assert: fix the stack dump overflow 
 * [#5310#4935](https://github.com/apache/incubator-nuttx/pull/#5310#4935) arch: risc-v: mpfs: switch to NuttX types for opensbi arm: Implement TLS support 
 * [#5161#4917](https://github.com/apache/incubator-nuttx/pull/#5161#4917) arch: risc-varm: mpfs: mpfs_serial.c: Correct setting of nbits Kconfig: Add ARCH_HAVE_PROGMEM config 
 * [#5152#5593](https://github.com/apache/incubator-nuttx/pull/#5152#5593) arch: risc-v: opensbi: update to version 1.0 arm: unify some duplicate code to common layer 
 * [#5636#5691](https://github.com/apache/incubator-nuttx/pull/#5636#5691) arch: risc-v/qemu-rv: Set FS bits in mstatus arm: Move setjmp to common place 
 * [#5529#4878](https://github.com/apache/incubator-nuttx/pull/#5529#4878) arch: risc-v/qemu-rv: Supports SMP up to 8 cores and other minor changes arm: fix unalign cacheline invalidate & add cache coherence config for semihosting option 
 * [#4825#5744](https://github.com/apache/incubator-nuttx/pull/#4825#5744) arch: risc-v/xtensa: Kconfig: Some cleanup and improvements to arch versions of C library functions. arm: timer_lowerhalf: minor improvements 
 * [#5683#5087](https://github.com/apache/incubator-nuttx/pull/#5683#5087) arch: risc-v/xtensa: corrent dumpstate xcp size : arm: assert: move the arm_assert to common code 
 * [#5717#5085](https://github.com/apache/incubator-nuttx/pull/#5717#5085) Revert " arch: risc-v: Correct FPU register save area in riscv_copystate" arm: move the backtrace implement to common code 
 * [#5394#5084](https://github.com/apache/incubator-nuttx/pull/#5394#5084) arch: sparc: adaptive patch arm: select ARM_THUMB by default for Cortex-M 
 * [#5521#5329](https://github.com/apache/incubator-nuttx/pull/#5521#5329) arch: sparc: Replace adj_stack_ptr with stack_base_ptr arm: Fix make export for armv7-a SoCs 
 * [#4728#5105](https://github.com/apache/incubator-nuttx/pull/#4728#5105) arch: xtensa: espressif: Rename MTD-related configs to become more intuitive 
 * [#5044](https://arm: Fix rebase error in arm_backtrace_thumb.c 
 * [#5703](https://github.com/apache/incubator-nuttx/pull/#5044#5703) arch: xtensa: espressif: Add hardware-supported Secure Boot on top of MCUboot arm: Support setjmp/longjmp for all socs 
 * [#4671#5582](https://github.com/apache/incubator-nuttx/pull/#4671#5582) arch: xtensa: espressif: Provide SPI Flash parameters to MCUboot build arm: replace SYS_syscall_return hardcode from syscall 
 * [#5173#5502](https://github.com/apache/incubator-nuttx/pull/#5173#5502) arch: xtensaarm: espressif: Fix build system issues related to Flash Encryption armv7-a: Add debug messages for addrenv
 * [#5619#5511](https://github.com/apache/incubator-nuttx/pull/#5619#5511) arch: xtensaarm: espressifarmv7-a: Fix SCHED_CPULOAD feature using Oneshot Timer arm_syscall for SYS_pthread_start 
 * [#4688#5517](https://github.com/apache/incubator-nuttx/pull/#4688#5517) arch: xtensaarm: Kconfig: add quotes in source to clean warnings from setconfig armv7-a: fix gtm.h GTM_COMP1 and GTM_AUTO defines 
 * [#5738#5620](https://github.com/apache/incubator-nuttx/pull/#5738#5620) arch: xtensa: Save exception cause and vaddr into the user frame arm: armv7-a: Remove CONFIG_SMP guard from arm_scu.c 
 * [#5149#5742](https://github.com/apache/incubator-nuttx/pull/#5149#5742) arch: xtensa: Rename up_stack_color to xtensa_stack_color. : arm: armv7-a/r: unified syscall registers dump 
 * [#5198#5066](https://github.com/apache/incubator-nuttx/pull/#5198#5066) arch: xtensa: fix lack of float register save & resotre : arm: armv7-a/r: dump all registers with alias 
 * [#4663#5354](https://github.com/apache/incubator-nuttx/pull/#4663#5354) arch: xtensa: Correctly save/restore coprocessor0 statearm: armv7-a/r: cp15_invalidate_dcache_all: fix Sets mask error. 
 * [#5450#5367](https://github.com/apache/incubator-nuttx/pull/#5450#5367) arch: xtensa: kconfig: move ARCH_HAVE_TESTSET config to chip arm: armv7-a/r: bugfix: fix a4 register use but not store in xxx_invalidate/flush/clean_all.S 
 * [#5648#5558](https://github.com/apache/incubator-nuttx/pull/#5648#5558) arch: xtensaarm: armv7-a/r: fix SVC's sp duplicate reduce in handler enter restore in arm_vectors.S 
 * [#5541#5628](https://github.com/apache/incubator-nuttx/pull/#5541#5628) arch: xtensa: modify svcall to swint : arm: armv7-a/r: handle swi on interrupt stack 
 * [#5729#5734](https://github.com/apache/incubator-nuttx/pull/#5729#5734) arch: xtensa: Small improvements around xtensa_context arm: armv7-a/r: set the default CPU mode to System 
 * [#5708#5506](https://github.com/apache/incubator-nuttx/pull/#5708#5506) arch: xtensa: small improvements around using the software interrupt. arm: armv7-a/r: unify switch context from software interrupt 
 * [#5684#5441](https://github.com/apache/incubator-nuttx/pull/#5684#5441) arch: xtensa: backtrace: fix backtrace last buffer error in some scene arm: armv7-a/r: cache: add cp15_cache_size function and use flush/clean_all if size large than cache size 
 * [#5250#5650](https://github.com/apache/incubator-nuttx/pull/#5250#5650) arch: xtensa: Fix core voltage level when SPI Flash runs at 80Mhz arm: armv7-a/r: cache: modify hardcode in cache set/way operation 
 * [#5248#4702](https://github.com/apache/incubator-nuttx/pull/#5248#4702) arch: xtensa: some fixes in interrupt handler : arm: armv7-m,armv7-r,armv8-m:MPU Add mpu_reset and ARM_MPU_EARLY_RESET 
 * [#4818#5477](https://github.com/apache/incubator-nuttx/pull/#4818#5477) arch: xtensaarm: mpu: use WRITEBACK attribute for intsram & extsram armv8-m: Handle the special irq correctly in up_secure_irq 
 * [#4683#5355](https://github.com/apache/incubator-nuttx/pull/#4683#5355) arch: xtensa: mpu: modify acc and memtype to uint32_t arm: cortex-m: doirq: do not update the CURRENT_REGS on nested interrupt handling 
 * [#4664#4960](https://github.com/apache/incubator-nuttx/pull/#4664#4960) arch: xtensa: xtensa_context.S: Save and restore SCOMPARE1 when necessary. arm: cortex-m: backtrace: remove the push process to simplify backtrace 
 * [#4669#4956](https://github.com/apache/incubator-nuttx/pull/#4669#4956) arch: xtensa: xtensa_cpupause.c: Allow a spin before taking the g_cpu_wait spinlock. 
 * [#5336arm: cortex-m: assert: dump all registers with alias 
 * [#4955](https://github.com/apache/incubator-nuttx/pull/#5336#4955) arch: xtensa: use swint to swith context : arm: cortex-m: fault: add CFSR(Configurable Fault Status Register) Definitions 
 * [#5679#5048](https://github.com/apache/incubator-nuttx/pull/#5679#5048) arch: arm: xtensa: xtensa_user_handler.S: Store EXCCAUSE and EXCVADDR into the user frame. cortex-m: hardfault: add secure-fault handler 
 * [#5187#4959](https://github.com/apache/incubator-nuttx/pull/#5187#4959) arch: xtensaarm: esp32: Add PWM support using the LEDC peripheral cortex-m: enhance the crash dump 
 * [#5143#4957](https://github.com/apache/incubator-nuttx/pull/#5143#4957) arch: xtensa: esp32: Use ROM implementations of libc functions arm: cortex-m: hardfault: add usage/bus-fault handler 
 * [#5117#4965](https://github.com/apache/incubator-nuttx/pull/#5117#4965) arch: xtensaarm: esp32: Add support for enabling hardware Flash Encryption on boot cortex-m23: remove mem-fault select from armv8-m baseline 

 * [#4991#5587](https://github.com/apache/incubator-nuttx/pull/#4991#5587) arch: xtensaarm: esp32: Show CPUs activity using LEDs. efm32: Garbage configuration setting in EFM32 code 

 * [#4670#5633](https://github.com/apache/incubator-nuttx/pull/#4670#5633) arch: xtensaarm: esp32: Few fixes around SPI Flash to make it SMP friendly. imx6: Fix imx6 
 * [#4710#5639](https://github.com/apache/incubator-nuttx/pull/#4710#5639) arch: xtensaarm: esp32: Make SPI Flash initialization common to all ESP32 boards imx6: Add the pgheap for imx6 

 * [#5542#4784](https://github.com/apache/incubator-nuttx/pull/#5542#4784) arch: xtensaarm: esp32: setup software interrupt for esp32chips imxrt: fixes 
 * [#5407#4717](https://github.com/apache/incubator-nuttx/pull/#5407#4717) arch: xtensaarm: esp32: Remove the QEMU special case when initializing the heap. imxrt: rename imxrt_lowputc to arm_lowputc and drop CONFIG_DEBUG_FEATURES 

 * [#5536#4951](https://github.com/apache/incubator-nuttx/pull/#5536#4951) arch: xtensaarm: esp32: Few improvements around interrupt handling. lc823450: Replace the critical section with spinlock in lc823450_serial.c 

 * [#5196#5025](https://github.com/apache/incubator-nuttx/pull/#5196#5025) arch: xtensaarm: esp32: Add support to RS485 nrf52: Fixes for NRF52 SoftDevice Controller 
 * [#4543#5032](https://github.com/apache/incubator-nuttx/pull/#4543#5032) arch: xtensaarm: esp32: Use device specific lock as much as possible. nrf52: NRF52_SDC_LE_CODED_PHY not available for nrf52832 
 * [#4796#5031](https://github.com/apache/incubator-nuttx/pull/#4796#5031) arch: xtensaarm: esp32: Fix MMU pages number calculation error nrf52: small improvements for softdevice 

 * [#4820#5642](https://github.com/apache/incubator-nuttx/pull/#4820#5642) arch: xtensaarm: esp32: Partition supports BIO cmd phy62xx: remove unused private header 

 * [#4933#4786](https://github.com/apache/incubator-nuttx/pull/#4933#4786) arch: xtensaarm: esp32rp2040: Remove CONFIG_SMP conditions in the code. support I2C_RESET 

 * [#5073#5552](https://github.com/apache/incubator-nuttx/pull/#5073#5552) arch: xtensaarm: esp32: Fix some Wi-Fi issuesrtl8720c: Remove the unused Toolchain.defs 

 * [#4867#5220](https://github.com/apache/incubator-nuttx/pull/#4867#5220) arch: xtensaarm: esp32: Fix retrieving GPIOs' IRQ number and peripheral ID in SMP. s32k1xx: implement uniqueid 

 * [#4769#5700](https://github.com/apache/incubator-nuttx/pull/#4769#5700) arch: xtensaarm: esp32sam34: Make ESP32_BT_RESERVE_DRAM default to 0 again if Bluetooth is not enabled. sam_dmac.c: Fix compilation error 
 * [#5213#5513](https://github.com/apache/incubator-nuttx/pull/#5213#5513) arch: xtensaarm: esp32s2: Fix some wrong definitions related to IRQ management samv7: fix peripheral id shift during transmit xdma configuration 
 * [#5212#5413](https://github.com/apache/incubator-nuttx/pull/#5212#5413) arch: xtensa: esp32s2: Fix data cache option in menuconfig arm: samv7: sam_progmem: insert DMB instruction into data write loop 
 * [#5693#5411](https://github.com/apache/incubator-nuttx/pull/#5693#5411) arch: xtensaarm: esp32s2: Sync IRQ management API with ESP32 and ESP32-S3 samv7: add arm_systemreset.c to CMN_CSRCS 
 * [#4902#5471](https://github.com/apache/incubator-nuttx/pull/#4902#5471) arch: xtensaarm: esp32xx: esp32xx_rtc.c: misc. fixes. samv7: Added support for PWM driver
 * [#5609#4795](https://github.com/apache/incubator-nuttx/pull/#5609#4795) arch: xtensaarm: esp32s2: Correctly enable the software interrupt. samv7: add support for AFEC driver 
 * [#5698#4737](https://github.com/apache/incubator-nuttx/pull/#5698#4737) arch: xtensaarm: esp32s2samv7: Add add support for Main System Watchdog Timers QSPI driver in SPI Mode 
 * [#4703#5145](https://github.com/apache/incubator-nuttx/pull/#4703#5145) arch: xtensaarm: esp32s2: Add RNG driver support and board profile example samv7: correct number on interrupts 
 * [#5665#4950](https://github.com/apache/incubator-nuttx/pull/#5665#4950) arch: xtensaarm: esp32s3: Add SPI-Flash support samv7: enable MCAN driver support for both rev A and rev B 
 * [#5699#4901](https://github.com/apache/incubator-nuttx/pull/#5699#4901) arch: xtensaarm: esp32s3: Enable SMP support samv7: Add DMA and TC support to AFEC (ADC) driver 
 * [#5723#5146](https://github.com/apache/incubator-nuttx/pull/#5723#5146) arch: xtensaarm: esp32s3: Add support for RT-Timer based on Systimer peripheral samv7: rework SAMv7 timer counter implementation 
 * [#5668#5219](https://github.com/apache/incubator-nuttx/pull/#5668#5219) arch: xtensaarm: esp32s3: Add support for Tickless kernel using Systimer samv7: implement quadrature encoder driver 
 * [#5671#5043](https://github.com/apache/incubator-nuttx/pull/#5671#5043) arch: xtensaarm: esp32s3samv7: Add initial support for Free-running Timer wrapper LIN bus communication (Master only) 
 * [#5686#4904](https://github.com/apache/incubator-nuttx/pull/#5686#4904) arch: xtensaarm: esp32s3: Add SPI RAM/PSRAM Support samv7: fix unaligned address write for progmem interface 
 * [#5601#4899](https://github.com/apache/incubator-nuttx/pull/#5601#4899) arch: xtensaarm: esp32s3: Add support for Main System Watchdog Timers samv7: fix page size flash writing for page unaligned addresses 
 * [#5602#5393](https://github.com/apache/incubator-nuttx/pull/#5602#5393) arch: xtensaarm: esp32s3: Add support for Timer Groups 0 and 1 samv7: fix leaving from critical section in HSMCI callback 

 * [#5604#5206](https://github.com/apache/incubator-nuttx/pull/#5604#5206) arch: xtensaarm: esp32s3: Use the running CPU ID for enabling internal interrupts stm32: add FDCAN support 
 * [#5608#5169](https://github.com/apache/incubator-nuttx/pull/#5608#5169) arch: xtensaarm: esp32s3: Add support for Oneshot timer stm32: add SocketCAN support 
 * [#5722#5167](https://github.com/apache/incubator-nuttx/pull/#5722#5167) arch: xtensaarm: esp32s3: Stall Timer ISR when core 1 is temporarily stalled stm32: add CAN error support 
 * [#5726#5419](https://github.com/apache/incubator-nuttx/pull/#5726#5419) arch: z[80|16]: Move up_getsp declaration to arch.h arm: stm32: add FDCAN SocketCAN support 
 * [#5344#5523](https://github.com/apache/incubator-nuttx/pull/#5344#5523) arch: arm: z80: fix garbage collector option to linker for ez80 

Driver Support

Bug Fixes

New Driver Support

Drivers With Significant Improvements

Board Support

...

stm32: dp83848c ethernet phy interrupt support 
 * [#5363#5481](https://github.com/apache/incubator-nuttx/pull/#5363#5481) boardsarch: arm: phy62xx: add phyplus_rel_1.4 stm32: fdcan: add CAN FD frames support 
 * [#4916#5370](https://github.com/apache/incubator-nuttx/pull/#4916#5370) boardsarch: arm: samv7: add support for SAME70 QMTECH board stm32: Add OTG ID GPIO disable 
 * [#5195#4790](https://github.com/apache/incubator-nuttx/pull/#5195#4790) boardsarch: arm: rp2040stm32: Qencoder: add support for Pimoroni Tiny 2040 boardfor the encoder index pin and implementation for stm32/qenco 
 * [#4851#5627](https://github.com/apache/incubator-nuttx/pull/#4851#5627) boardsarch: risc-v: mpfs: Add support for Aries M100PFSMVP board 

...

arm: stm32f103re has a dac module.but the pinmap file has no corresponding
 * [#5553#5300](https://github.com/apache/incubator-nuttx/pull/#5553) boards: Add -fno-common to ARCHCFLAGS and #5300) arch: arm: stm32f20xxf40xx: up_progmem_erasesize for stm32f20xxf40xx_flash.c  ARCHCXXFLAGS 
 * [#5330#5605](https://github.com/apache/incubator-nuttx/pull/#5330#5605) boards: Board.mk: Make romfs_img 4 byte aligned arch: arm: stm32f405: Add DAC2 configuration 
 * [#5712#4967](https://github.com/apache/incubator-nuttx/pull/#5712#4967) boardsarch: arm: Kconfig: introduce ARCH_BOARD_COMMON option stm32f412: add SPI2 & SPI3 
 * [#4744#5267](https://github.com/apache/incubator-nuttx/pull/#4744#5267) arch: arm: stm32f7: serial fix PM_CONFIG build ) boards: Rename FOC_VEL_ADC to FOC_SETPOINT_ADC
 * [#5557#5064](https://github.com/apache/incubator-nuttx/pull/#5557#5064) arch: arm: stm32f7: sdmmc invalidate before DMA to avoid eviction overwrite -) boards: Replace CONFIG_CYGWIN_WINTOOL with CONVERT_PATH 
 * [#5555#4704](https://github.com/apache/incubator-nuttx/pull/#5555#4704) arch: arm: stm32f0/g0/l0: Add custom clock config option to stm32f0/g0/l0 chips ) boards: Remove the unnecessary customize Make.defs 
 * [#5476#4872](https://github.com/apache/incubator-nuttx/pull/#5476#4872) arch: arm: stm32f7: sdmmc defer invalidate until after DMA completion ) boards: Remove -fno-builtin 
 * [#5244#5677](https://github.com/apache/incubator-nuttx/pull/#5244#5677) arch: arm: stm32f7: fix CAN3 receiving ) boards: Remove -fno-strength-reduce 
 * [#5349#4741](https://github.com/apache/incubator-nuttx/pull/#5349#4741) arch: arm: stm32g4: Minor fixes for stm32g4 foc ) boards: Remove unused NXFLAT flags from Make.defs 
 * [#5440#4780](https://github.com/apache/incubator-nuttx/pull/#5440#4780) boardsarch: arm: cxd56xxstm32h7: audio: Support I2S input sdmmc: do not enable power saving configuration bit in SD 4-bit mode 
 * [#4996#4770](https://github.com/apache/incubator-nuttx/pull/#4996#4770) boardsarch: arm: cxd56xxstm32h7: spresense: Adjust CONFIG_FAT_MAXFNAME and CONFIG_NAME_MAX dmamux: correct bit fields 
 * [#4969#4755](https://github.com/apache/incubator-nuttx/pull/#4969#4755) boardsarch: arm: cxd56xxstm32h7: spresense: Update smp/defconfig sdmmc: added missing sdio_set_sdio_card_isr() function to initialize SDIO in-band interrupt logic 
 * [#5652#4731](https://github.com/apache/incubator-nuttx/pull/#5652#4731) boardsarch: arm: imx6: sabre-6quad: Add knsh stm32h7: add low power timers 
 * [#5485#5492](https://github.com/apache/incubator-nuttx/pull/#5485#5492) boardsarch: arm: imx6: sabre-6quad: Add -fno-common to Make.defsstm32h7: Fix build for all config {R|T}XDMA states 
 * [#5724#5493](https://github.com/apache/incubator-nuttx/pull/#5724#5493) boardsarch: arm: imx6: sabre-6quad: Add CONFIG_DEBUG_FULLOPT=y to knsh/defconfig stm32h7: Flash fixes from 328374f4658d11655f268f968f4c6c7a3942f320 
 * [#5670#4815](https://github.com/apache/incubator-nuttx/pull/#5670#4815) boardsarch: arm: imxrt: fix userled config in appinit stm32l4: dfumode: enable for STM32L4+ chips 
 * [#5682#5666](https://github.com/apache/incubator-nuttx/pull/#5682#5666) boardsarch: arm: imxrt: userleds: Teensy 4.x board LED is active high stm32l4: stm32l4+ might need flash data cache corruption workaround 
 * [#4947#4975](https://github.com/apache/incubator-nuttx/pull/#4947#4975) boardsarch: arm: lc823450: lc823450-xgevk: Update bt/defconfig for SMP 
 stm32l4: stm32l4_pwm.c: fix printf format 

 * [#5023#5520](https://github.com/apache/incubator-nuttx/pull/#5023#5520) boardsarch: arm: nrf52: nrf52832-dk/nrf52840-dk: add procfs and sdc support ceva: update the code to the latest mainline 
 * [#5669#5568](https://github.com/apache/incubator-nuttx/pull/#5669#5568) boardsarch: arm: phy62xx: phy6222: remove -nostartfiles -nodefaultlibs ceva: Replace OUTDIR with TOPDIR 
 * [#5406#5727](https://github.com/apache/incubator-nuttx/pull/#5406#5727) boardsarch: arm: samv7: disable systick no matter if ARMV7M_SYSTICK is enabled or notceva: Move the idle stack initialization to up_initial_state 

 * [#5710#5696](https://github.com/apache/incubator-nuttx/pull/#5710#5696) boardsarch: arm: samv7: rework linker script usage logic to allow custom linker scripts sim: add all symbols support 
 * [#5281#5641](https://github.com/apache/incubator-nuttx/pull/#5281#5641) boardsarch: arm: samv7: move HSMCI interface to common sim: add loop thread to handle dev loops 
 * [#4981#4716](https://github.com/apache/incubator-nuttx/pull/#4981#4716) boardsarch: arm: samv7: Introduce common folder and refactor MCUboot sim: add native socket support based on usrsock 
 * [#5320#4882](https://github.com/apache/incubator-nuttx/pull/#5320#4882) boardsarch: arm: samv7: common: add HSMCI0 boot mount configuration option sim: Add new option to enable arch specific hostfs 
 * [#5127#4776](https://github.com/apache/incubator-nuttx/pull/#5127#4776) boardsarch: arm: samv7: common: Improve SAMv7 common folder approachsim: host ASAN improvement 
 * [#5318#5401](https://github.com/apache/incubator-nuttx/pull/#5318#5401) boardsarch: armsim: samv7: same70-qmtech: enable slow crystal initial support sim:nsh on MacOS M1 based hosts. 
 * [#5410#5452](https://github.com/apache/incubator-nuttx/pull/#5410#5452) boardsarch: arm: samv7: same70-qmtech: add buttons interface sim: detect clang native compiler on MacOS. 
 * [#4911#5414](https://github.com/apache/incubator-nuttx/pull/#4911#5414) boardsarch: arm: samv7: samv71-xult: Set console at usart1 sim: Unify the return value of usrsock_xxx_handler 
 * [#5676#5473](https://github.com/apache/incubator-nuttx/pull/#5676#5473) boardsarch: arm: samv7: default BOARD_SAMV7_COMMON to n sim: Always typedef xcpt_reg_t to unsigned long 
 * [#5119#4751](https://github.com/apache/incubator-nuttx/pull/#5119#4751) boardsarch: arm: samv7: improve progmem common interface Add l suffix for INT32_C macro 
 * [#5276#5099](https://github.com/apache/incubator-nuttx/pull/#5276#5099) boardsarch: arm: samv7: fix build error when automount is enabled sim: Implement up_backtrace 
 * [#5277#5071](https://github.com/apache/incubator-nuttx/pull/#5277#5071) boardsarch: arm: same70-qmtech: switch console to UART0 sim: Support vncserver as display device 
 * [#5312#4977](https://github.com/apache/incubator-nuttx/pull/#5312#4977) boardsarch: arm: same70-qmtech: clarify usage of CD signal on SD card connector sim: add CONFIG_SIM_STACKSIZE_ADJUSTMENT to reduce variability 
 * [#4912#5384](https://github.com/apache/incubator-nuttx/pull/#4912#5384) boardsarch: arm: same70-xplained: disable systick before loading MCUboot application sim: Adjust the stack size for up_use_stack too 
 * [#4907#5486](https://github.com/apache/incubator-nuttx/pull/#4907#5486) boardsarch: arm: same70-xplained: scripts: fix memory region size for MCUboot app sim: Fix a build with clang on linux 
 * [#4906#5295](https://github.com/apache/incubator-nuttx/pull/#4906#5295) boardsarch: arm: same70-xplained: fix usage of SAMV71XULT instead of SAME70XPLAINED sim: Added Kconfig option for UART buffer size. 
 * [#4915#5188](https://github.com/apache/incubator-nuttx/pull/#4915#5188) boardsarch: arm: same70-xplained: MCUboot related improvements sim: Rename up_vfork_x[32|64].S to up_vfork_x86[_64].S 
 * [#5011#5179](https://github.com/apache/incubator-nuttx/pull/#5011#5179) boardsarch: arm: stm32: emw3162: enabled internal pull-up resistors on SDIO bus sim: Move spiflash simulation to drivers/spi instead 
 * [#4750#5178](https://github.com/apache/incubator-nuttx/pull/#4750#5178) boardsarch: arm: stm32: Normalize FOC related project sim: Rename up_vfork[32|64].S to up_vfork_x[32|64].S 
 * [#5612#5431](https://github.com/apache/incubator-nuttx/pull/#5612#5431) boardsarch: arm: stm32: Update adb configs sim: Don't add up_tls_size in up_use_stack before foward to up_create_stack 
 * [#5675#4487](https://github.com/apache/incubator-nuttx/pull/#5675#4487) boardsarch: arm: stm32: stm32f4discovery: Remove CONFIG_LIBC_EXECFUNCS from adb defconfig sim: Don't add -lc++abi to STDLIBS 
 * [#4775#4791](https://github.com/apache/incubator-nuttx/pull/#4775#4791) boardsarch: armsim: stm32: b-g431b-esc1: add Hall and Qenco support btuart: Remove the unnecessary config 
 * [#5420#5313](https://github.com/apache/incubator-nuttx/pull/#5420#5313) boardsarch: armsim: stm32: b-g431b-esc1/nucleo-g431rb: add SocketCAN examples netdev: retrieve all the queued RX frames from the network device on every poll 
 * [#5237#4696](https://github.com/apache/incubator-nuttx/pull/#5237#4696) boardsarch: armsim: stm32: b-g431b-esc1/nucleo-g431rb: add CAN example for rptun: Trigger the callback only the sequnece number change 
 * [#5238#5286](https://github.com/apache/incubator-nuttx/pull/#5238#5286) boardsarch: arm: stm32: nucleo-f302r8: nucleo-f446re: add SocketCAN example sim: up_macho_init.c: Add a workaround for Monterey 
 * [#4785#5046](https://github.com/apache/incubator-nuttx/pull/#4785#5046) boardsarch: armsim: stm32: nucleo-f302r8: disable NSH commands for FOC configs to save FLASH usrsock: increase the sim usrsock buffer size 
 * [#4938#5030](https://github.com/apache/incubator-nuttx/pull/#4938#5030) boardsarch: armsim: stm32: nucleo-f302r8: add 3ph Hall sensor support usrsock: reuse the socket address to avoid bind timeout 
 * [#5166#5685](https://github.com/apache/incubator-nuttx/pull/#5166#5685) boardsarch: arm: stm32: nucleo-f446re: add procfs support 
 * [#5614sim: syscall: add syscall note support in the flat build 
 * [#4754](https://github.com/apache/incubator-nuttx/pull/#4754) Revert "sim: Specify -fshort-wchar as NuttX wchar_t is 16-bit" 
 * [#5343](https://github.com/apache/incubator-nuttx/pull/#5343) arch: sim: netdev,tapdev: implemented emulation of TX done and RX ready interrupts 
 * [#5295](https://github.com/apache/incubator-nuttx/pull/#5295) arch: sim: Added Kconfig option for UART buffer size.
 * [#5260](https://github.com/apache/incubator-nuttx/pull/#5260) arch: sim: up_touchscreen: update up_touchscreen, using touch_upperhalf 
 * [#5226](https://github.com/apache/incubator-nuttx/pull/#5226) arch: sim: netdev: eliminated RX data stream congestion in case of high TX network traffic 

 * [#5619](https://github.com/apache/incubator-nuttx/pull/#5619) arch: espressif: Fix SCHED_CPULOAD feature using Oneshot Timer 
 * [#4727](https://github.com/apache/incubator-nuttx/pull/#4727) arch: espressif: Enable Partition Table allocation at custom offset 
 * [#4945](https://github.com/apache/incubator-nuttx/pull/#4945) arch: risc-v: Introduce basic support for qemu rv32 
 * [#5291](https://github.com/apache/incubator-nuttx/pull/#5291) arch: risc-v: Unify common irq code 
 * [#5192](https://github.com/apache/incubator-nuttx/pull/#5192) arch: risc-v: Merge rv32im and rv64gc into common 
 * [#5228](https://github.com/apache/incubator-nuttx/pull/#5228) arch: risc-v: Support both rv32/rv64 on qemu-rv 
 * [#5160](https://github.com/apache/incubator-nuttx/pull/#5160) arch: risc-v: Replace __LP64__ with CONFIG_ARCH_RV64 
 * [#5148](https://github.com/apache/incubator-nuttx/pull/#5148) arch: risc-v: Refine riscv_assert.c and arch.h 
 * [#5243](https://github.com/apache/incubator-nuttx/pull/#5243) arch: risc-v: Make exception_common 8 byte align 
 * [#5709](https://github.com/apache/incubator-nuttx/pull/#5709) arch: risc-v: mpfs: Make cleaner pinmux configurations for USB 
 * [#5209](https://github.com/apache/incubator-nuttx/pull/#5209) arch: risc-v: Refine riscv_vectors.S 
 * [#5123](https://github.com/apache/incubator-nuttx/pull/#5123) arch: risc-v: Correct epc adjustment with C ISA 
 * [#5106](https://github.com/apache/incubator-nuttx/pull/#5106) arch: risc-v: Refine riscv_testset.S 
 * [#5076](https://github.com/apache/incubator-nuttx/pull/#5076) arch: risc-v: Refine Toolchain.defs 
 * [#5097](https://github.com/apache/incubator-nuttx/pull/#5097) arch: risc-v: Move riscv_blocktask.c to common 
 * [#5092](https://github.com/apache/incubator-nuttx/pull/#5092) arch: risc-v: Remove unneeded kconfigs 
 * [#5064](https://github.com/apache/incubator-nuttx/pull/#5064) arch: risc-v: opensbi: Make.defs: use a wildcard for file listing 
 * [#5314](https://github.com/apache/incubator-nuttx/pull/#5314) arch: risc-v: Move xxx_cpustart.c to common 
 * [#5103](https://github.com/apache/incubator-nuttx/pull/#5103) arch: risc-v: Refine riscv_fpu.S 
 * [#5273](https://github.com/apache/incubator-nuttx/pull/#5273) arch: risc-v: Sv39 MMU driver
 * [#5135](https://github.com/apache/incubator-nuttx/pull/#5135) arch: risc-v: Refine riscv_initialstate.c 
 * [#5115](https://github.com/apache/incubator-nuttx/pull/#5115) arch: risc-v: Refine syscall interface 
 * [#5113](https://github.com/apache/incubator-nuttx/pull/#5113) arch: risc-v: Add backtrace to risc-v common sources 
 * [#4983](https://github.com/apache/incubator-nuttx/pull/#4983) arch: risc-v: Implement TLS support 
 * [#5707](https://github.com/apache/incubator-nuttx/pull/#5707) arch: risc-v: Implement SYS_save_context in swint 
 * [#5695](https://github.com/apache/incubator-nuttx/pull/#5695) arch: risc-v: Save/Load float register in setjmp 
 * [#5478](https://github.com/apache/incubator-nuttx/pull/#5478) arch: risc-v: Use _ebss instead of _default_stack_limit as idle stack base
 * [#5484](https://github.com/apache/incubator-nuttx/pull/#5484) arch: risc-v: Implement common up_cpu_idlestack 
 * [#5490](https://github.com/apache/incubator-nuttx/pull/#5490) arch: risc-v: Let g_cpu_basestack determined at compile time 
 * [#5091](https://github.com/apache/incubator-nuttx/pull/#5091) arch: risc-v: pwm: add option to break the loops when using multiple PWM channels 
 * [#5454](https://github.com/apache/incubator-nuttx/pull/#5454) arch: risc-v: Remove duplicated up_idle logic 
 * [#5358](https://github.com/apache/incubator-nuttx/pull/#5358) arch: risc-v: RISC-V MMU: Add missing implementation for PTE getter 
 * [#5240](https://github.com/apache/incubator-nuttx/pull/#5240) arch: risc-v: Refine riscv_cpupause.c 
 * [#5308](https://github.com/apache/incubator-nuttx/pull/#5308) arch: risc-v: Merge mcause.h into irq.h 
 * [#5210](https://github.com/apache/incubator-nuttx/pull/#5210) arch: risc-v: Refine exception_common 
 * [#5236](https://github.com/apache/incubator-nuttx/pull/#5236) arch: risc-v: Refine riscv_cpuindex.c 
 * [#5316](https://github.com/apache/incubator-nuttx/pull/#5316) arch: risc-v: bl602: Fix broken bl602 flash due to partition_table being incorrectly marked as unused 
 * [#5221](https://github.com/apache/incubator-nuttx/pull/#5221) arch: risc-v: bl602: Rename bl602_entry.S to bl602_head.S 
 * [#4876](https://github.com/apache/incubator-nuttx/pull/#4876) arch: risc-v: bl602: Enable GPIO output 
 * [#4984](https://github.com/apache/incubator-nuttx/pull/#4984) arch: risc-v: bl602: Swap SPI MISO and MOSI 
 * [#5131](https://github.com/apache/incubator-nuttx/pull/#5131) arch: risc-v: bl602: Fix preprocessing directives for uart flow control 
 * [#5093](https://github.com/apache/incubator-nuttx/pull/#5093) arch: risc-v: bl602: Use userspace chosen channel numbers when starting bl602 pwm 
 * [#5129](https://github.com/apache/incubator-nuttx/pull/#5129) arch: risc-v: esp32c3: SPI flash MTD device uses all flash space 
 * [#4771](https://github.com/apache/incubator-nuttx/pull/#4771) arch: risc-v: esp32c3: Remove the DMA test included in the driver along with its defconfig. 
 * [#4700](https://github.com/apache/incubator-nuttx/pull/#4700) arch: risc-v: esp32c3: Remove test code from crypto accelerators drivers. 
 * [#4711](https://github.com/apache/incubator-nuttx/pull/#4711) arch: risc-v: esp32c3: Remove the stub implementations of the early serial 
 * [#5615](https://github.com/apache/incubator-nuttx/pull/#5615) arch: risc-v: esp32c3: Fix detection of CPU reset by Watchdog Timer 
 * [#4796](https://github.com/apache/incubator-nuttx/pull/#4796) arch: risc-v: esp32c3: Fix MMU pages number calculation error 
 * [#4820](https://github.com/apache/incubator-nuttx/pull/#4820) arch: risc-v: esp32c3: Partition supports BIO cmd 
 * [#4821](https://github.com/apache/incubator-nuttx/pull/#4821) arch: risc-v: esp32c3: Add hardware brownout check and reset 
 * [#4834](https://github.com/apache/incubator-nuttx/pull/#4834) arch: risc-v: esp32c3: esp32c3_usbserial.c: Initialize cpuint to ENOMEM. 
 * [#4813](https://github.com/apache/incubator-nuttx/pull/#4813) arch: risc-v: esp32c3: Fix GPIO Output on pins 18 and 19 USB/JTAG 
 * [#4809](https://github.com/apache/incubator-nuttx/pull/#4809) arch: risc-v: esp32c3: Driver for the ESP32-C3's CDC console. 
 * [#5615](https://github.com/apache/incubator-nuttx/pull/#5615) arch: risc-v: esp32c3: Fix detection of CPU reset by Watchdog Timer 
 * [#4787](https://github.com/apache/incubator-nuttx/pull/#4787) arch: risc-v: esp32c3: Initialize the BLE Mac 
 * [#4822](https://github.com/apache/incubator-nuttx/pull/#4822) arch: risc-v: esp32c3: Fix reset triggering crash nested when crash 
 * [#4740](https://github.com/apache/incubator-nuttx/pull/#4740) arch: risc-v: esp32c3: Fix Wi-Fi & BLE coexist issues 
 * [#4886](https://github.com/apache/incubator-nuttx/pull/#4886) arch: risc-v: esp32c3: Refactor SPI Flash to support umask interrupt when R/W/E SPI Flash 
 * [#4885](https://github.com/apache/incubator-nuttx/pull/#4885) arch: risc-v: esp32c3: Refactor ADC calibration 
 * [#5616](https://github.com/apache/incubator-nuttx/pull/#5616) arch: risc-v: esp32c3: Enable Timer Groups clocks on timer initialization 
 * [#5304](https://github.com/apache/incubator-nuttx/pull/#5304) arch: risc-v: esp32c3: esp32c3_irq.c: Skip over ECALL instruction. 
 * [#5457](https://github.com/apache/incubator-nuttx/pull/#5457) arch: risc-v: esp32c3: Fix issue #5377 UART1 not working because clock as disabled 
 * [#5016](https://github.com/apache/incubator-nuttx/pull/#5016) arch: risc-v: esp32c3: Initialize rtc and peripheral parameters by default when chip starts 
 * [#5124](https://github.com/apache/incubator-nuttx/pull/#5124) arch: risc-v: esp32s2/esp32c3: Remove unavailable support for ROM Basic Console 
 * [#5133](https://github.com/apache/incubator-nuttx/pull/#5133) arch: risc-v: esp32s2/esp32c3: Add support for enabling hardware Flash Encryption on boot
 * [#4877](https://github.com/apache/incubator-nuttx/pull/#4877) arch: risc-v: mpfs: Add spi cs control for mpfs 
 * [#5289](https://github.com/apache/incubator-nuttx/pull/#5289) arch: risc-v: mpfs: bootloader entrypoints 
 * [#5247](https://github.com/apache/incubator-nuttx/pull/#5247) arch: risc-v: mpfs: switch to exception common 
 * [#5360](https://github.com/apache/incubator-nuttx/pull/#5360) arch: risc-v: mpfs: Add support for a ROMFS image for MPFS 
 * [#5322](https://github.com/apache/incubator-nuttx/pull/#5322) arch: risc-v: mpfs: build protected
 * [#5109](https://github.com/apache/incubator-nuttx/pull/#5109) arch: risc-v: mpfs: Add MSSIO GPIO pinmap configuration 
 * [#5306](https://github.com/apache/incubator-nuttx/pull/#5306) arch: risc-v: mpfs: OpenSBI: utilize an index2id table 
 * [#5287](https://github.com/apache/incubator-nuttx/pull/#5287) arch: risc-v: mpfs: opensbi redefinition fixes
 * [#5225](https://github.com/apache/incubator-nuttx/pull/#5225) arch: risc-v: mpfs: Opensbi fixes 
 * [#5325](https://github.com/apache/incubator-nuttx/pull/#5325) arch: risc-v: Mpfs: opensbi conf  
 * [#5310](https://github.com/apache/incubator-nuttx/pull/#5310) arch: risc-v: mpfs: switch to NuttX types for opensbi 
 * [#5702](https://github.com/apache/incubator-nuttx/pull/#5702) arch: risc-v: mpfs: usb: apply review fixes 
 * [#5040](https://github.com/apache/incubator-nuttx/pull/#5040) arch: risc-v: mpfs: add opensbi support 
 * [#4709](https://github.com/apache/incubator-nuttx/pull/#4709) arch: risc-v: mpfs: emmcsd: provide proper internal emmc settings 
 * [#4714](https://github.com/apache/incubator-nuttx/pull/#4714) arch: risc-v: mpfs: ddr training and system clock init 
 * [#4839](https://github.com/apache/incubator-nuttx/pull/#4839) arch: risc-v: mpfs: emmcsd: boost waitresponse perf 
 * [#4817](https://github.com/apache/incubator-nuttx/pull/#4817) arch: risc-v: mpfs: uart: add a way to configure uart3 and uart4 
 * [#4788](https://github.com/apache/incubator-nuttx/pull/#4788) arch: risc-v: mpfs: emmcsd: fix uninitialized value 
 * [#4781](https://github.com/apache/incubator-nuttx/pull/#4781) arch: risc-v: mpfs: cache: provide L1/L2 cache enablers 
 * [#4773](https://github.com/apache/incubator-nuttx/pull/#4773) arch: risc-v: mpfs: i2c: Add support for adaptive I2C bus frequency 
 * [#5694](https://github.com/apache/incubator-nuttx/pull/#5694) arch: risc-v: mpfs: usb: fix an unused variable warning 
 * [#5161](https://github.com/apache/incubator-nuttx/pull/#5161) arch: risc-v: mpfs: mpfs_serial.c: Correct setting of nbits 
 * [#5152](https://github.com/apache/incubator-nuttx/pull/#5152) arch: risc-v: opensbi: update to version 1.0 
 * [#5636](https://github.com/apache/incubator-nuttx/pull/#5636) arch: risc-v/qemu-rv: Set FS bits in mstatus 
 * [#5529](https://github.com/apache/incubator-nuttx/pull/#5529) arch: risc-v/qemu-rv: Supports SMP up to 8 cores and other minor changes 
 * [#4825](https://github.com/apache/incubator-nuttx/pull/#4825) arch: risc-v/xtensa: Kconfig: Some cleanup and improvements to arch versions of C library functions. 
 * [#5683](https://github.com/apache/incubator-nuttx/pull/#5683) arch: risc-v/xtensa: corrent dumpstate xcp size 
 * [#5717](https://github.com/apache/incubator-nuttx/pull/#5717) Revert "arch: risc-v: Correct FPU register save area in riscv_copystate" 

 * [#5394](https://github.com/apache/incubator-nuttx/pull/#5394) arch: sparc: adaptive patch 
 * [#5521](https://github.com/apache/incubator-nuttx/pull/#5521) arch: sparc: Replace adj_stack_ptr with stack_base_ptr 

 * [#4728](https://github.com/apache/incubator-nuttx/pull/#4728) arch: xtensa: espressif: Rename MTD-related configs to become more intuitive 
 * [#5044](https://github.com/apache/incubator-nuttx/pull/#5044) arch: xtensa: espressif: Add hardware-supported Secure Boot on top of MCUboot 
 * [#4671](https://github.com/apache/incubator-nuttx/pull/#4671) arch: xtensa: espressif: Provide SPI Flash parameters to MCUboot build 
 * [#5173](https://github.com/apache/incubator-nuttx/pull/#5173) arch: xtensa: espressif: Fix build system issues related to Flash Encryption 
 * [#5619](https://github.com/apache/incubator-nuttx/pull/#5619) arch: xtensa: espressif: Fix SCHED_CPULOAD feature using Oneshot Timer 
 * [#4688](https://github.com/apache/incubator-nuttx/pull/#4688) arch: xtensa: Kconfig: add quotes in source to clean warnings from setconfig 
 * [#5738](https://github.com/apache/incubator-nuttx/pull/#5738) arch: xtensa: Save exception cause and vaddr into the user frame 
 * [#5149](https://github.com/apache/incubator-nuttx/pull/#5149) arch: xtensa: Rename up_stack_color to xtensa_stack_color. 
 * [#5198](https://github.com/apache/incubator-nuttx/pull/#5198) arch: xtensa: fix lack of float register save & resotre 
 * [#4663](https://github.com/apache/incubator-nuttx/pull/#4663) arch: xtensa: Correctly save/restore coprocessor0 state. 
 * [#5450](https://github.com/apache/incubator-nuttx/pull/#5450) arch: xtensa: kconfig: move ARCH_HAVE_TESTSET config to chip 
 * [#5648](https://github.com/apache/incubator-nuttx/pull/#5648) arch: xtensa: fix sp duplicate reduce in handler enter 
 * [#5541](https://github.com/apache/incubator-nuttx/pull/#5541) arch: xtensa: modify svcall to swint 
 * [#5729](https://github.com/apache/incubator-nuttx/pull/#5729) arch: xtensa: Small improvements around xtensa_context 
 * [#5708](https://github.com/apache/incubator-nuttx/pull/#5708) arch: xtensa: small improvements around using the software interrupt. 
 * [#5684](https://github.com/apache/incubator-nuttx/pull/#5684) arch: xtensa: backtrace: fix backtrace last buffer error in some scene 
 * [#5250](https://github.com/apache/incubator-nuttx/pull/#5250) arch: xtensa: Fix core voltage level when SPI Flash runs at 80Mhz 
 * [#5248](https://github.com/apache/incubator-nuttx/pull/#5248) arch: xtensa: some fixes in interrupt handler 
 * [#4818](https://github.com/apache/incubator-nuttx/pull/#4818) arch: xtensa: mpu: use WRITEBACK attribute for intsram & extsram 
 * [#4683](https://github.com/apache/incubator-nuttx/pull/#4683) arch: xtensa: mpu: modify acc and memtype to uint32_t 
 * [#4664](https://github.com/apache/incubator-nuttx/pull/#4664) arch: xtensa: xtensa_context.S: Save and restore SCOMPARE1 when necessary. 
 * [#4669](https://github.com/apache/incubator-nuttx/pull/#4669) arch: xtensa: xtensa_cpupause.c: Allow a spin before taking the g_cpu_wait spinlock. 
 * [#5336](https://github.com/apache/incubator-nuttx/pull/#5336) arch: xtensa: use swint to swith context 
 * [#5679](https://github.com/apache/incubator-nuttx/pull/#5679) arch: xtensa: xtensa_user_handler.S: Store EXCCAUSE and EXCVADDR into the user frame.
 * [#5000](https://github.com/apache/incubator-nuttx/pull/#5000) arch: xtensa: correct the interrupt stack on irq handler 
 * [#5056](https://github.com/apache/incubator-nuttx/pull/#5056) arch: xtensa: esp32: Add WiFi/BLE Coexistence support  
 * [#5187](https://github.com/apache/incubator-nuttx/pull/#5187) arch: xtensa: esp32: Add PWM support using the LEDC peripheral 
 * [#5143](https://github.com/apache/incubator-nuttx/pull/#5143) arch: xtensa: esp32: Use ROM implementations of libc functions 
 * [#5117](https://github.com/apache/incubator-nuttx/pull/#5117) arch: xtensa: esp32: Add support for enabling hardware Flash Encryption on boot 
 * [#4991](https://github.com/apache/incubator-nuttx/pull/#4991) arch: xtensa: esp32: Show CPUs activity using LEDs. 
 * [#4670](https://github.com/apache/incubator-nuttx/pull/#4670) arch: xtensa: esp32: Few fixes around SPI Flash to make it SMP friendly. 
 * [#4710](https://github.com/apache/incubator-nuttx/pull/#4710) arch: xtensa: esp32: Make SPI Flash initialization common to all ESP32 boards 
 * [#5542](https://github.com/apache/incubator-nuttx/pull/#5542) arch: xtensa: esp32: setup software interrupt for esp32chips 
 * [#5407](https://github.com/apache/incubator-nuttx/pull/#5407) arch: xtensa: esp32: Remove the QEMU special case when initializing the heap. 
 * [#5536](https://github.com/apache/incubator-nuttx/pull/#5536) arch: xtensa: esp32: Few improvements around interrupt handling. 
 * [#5196](https://github.com/apache/incubator-nuttx/pull/#5196) arch: xtensa: esp32: Add support to RS485 
 * [#4543](https://github.com/apache/incubator-nuttx/pull/#4543) arch: xtensa: esp32: Use device specific lock as much as possible. 
 * [#4796](https://github.com/apache/incubator-nuttx/pull/#4796) arch: xtensa: esp32: Fix MMU pages number calculation error 
 * [#4820](https://github.com/apache/incubator-nuttx/pull/#4820) arch: xtensa: esp32: Partition supports BIO cmd 
 * [#4933](https://github.com/apache/incubator-nuttx/pull/#4933) arch: xtensa: esp32: Remove CONFIG_SMP conditions in the code. 
 * [#5073](https://github.com/apache/incubator-nuttx/pull/#5073) arch: xtensa: esp32: Fix some Wi-Fi issues
 * [#4867](https://github.com/apache/incubator-nuttx/pull/#4867) arch: xtensa: esp32: Fix retrieving GPIOs' IRQ number and peripheral ID in SMP. 
 * [#4769](https://github.com/apache/incubator-nuttx/pull/#4769) arch: xtensa: esp32: Make ESP32_BT_RESERVE_DRAM default to 0 again if Bluetooth is not enabled. 
 * [#5213](https://github.com/apache/incubator-nuttx/pull/#5213) arch: xtensa: esp32s2: Fix some wrong definitions related to IRQ management 
 * [#5212](https://github.com/apache/incubator-nuttx/pull/#5212) arch: xtensa: esp32s2: Fix data cache option in menuconfig 
 * [#5693](https://github.com/apache/incubator-nuttx/pull/#5693) arch: xtensa: esp32s2: Sync IRQ management API with ESP32 and ESP32-S3 
 * [#4902](https://github.com/apache/incubator-nuttx/pull/#4902) arch: xtensa: esp32xx: esp32xx_rtc.c: misc. fixes. 
 * [#5609](https://github.com/apache/incubator-nuttx/pull/#5609) arch: xtensa: esp32s2: Correctly enable the software interrupt. 
 * [#5698](https://github.com/apache/incubator-nuttx/pull/#5698) arch: xtensa: esp32s2: Add support for Main System Watchdog Timers 
 * [#4703](https://github.com/apache/incubator-nuttx/pull/#4703) arch: xtensa: esp32s2: Add RNG driver support and board profile example 
 * [#5665](https://github.com/apache/incubator-nuttx/pull/#5665) arch: xtensa: esp32s3: Add SPI-Flash support 
 * [#5699](https://github.com/apache/incubator-nuttx/pull/#5699) arch: xtensa: esp32s3: Enable SMP support 
 * [#5723](https://github.com/apache/incubator-nuttx/pull/#5723) arch: xtensa: esp32s3: Add support for RT-Timer based on Systimer peripheral 
 * [#5668](https://github.com/apache/incubator-nuttx/pull/#5668) arch: xtensa: esp32s3: Add support for Tickless kernel using Systimer 
 * [#5671](https://github.com/apache/incubator-nuttx/pull/#5671) arch: xtensa: esp32s3: Add support for Free-running Timer wrapper 
 * [#5686](https://github.com/apache/incubator-nuttx/pull/#5686) arch: xtensa: esp32s3: Add SPI RAM/PSRAM Support 
 * [#5601](https://github.com/apache/incubator-nuttx/pull/#5601) arch: xtensa: esp32s3: Add support for Main System Watchdog Timers 
 * [#5602](https://github.com/apache/incubator-nuttx/pull/#5602) arch: xtensa: esp32s3: Add support for Timer Groups 0 and 1 
 * [#5604](https://github.com/apache/incubator-nuttx/pull/#5604) arch: xtensa: esp32s3: Use the running CPU ID for enabling internal interrupts 
 * [#5608](https://github.com/apache/incubator-nuttx/pull/#5608) arch: xtensa: esp32s3: Add support for Oneshot timer 
 * [#5722](https://github.com/apache/incubator-nuttx/pull/#5722) arch: xtensa: esp32s3: Stall Timer ISR when core 1 is temporarily stalled 

 * [#5726](https://github.com/apache/incubator-nuttx/pull/#5726) arch: z[80|16]: Move up_getsp declaration to arch.h 
 * [#5344](https://github.com/apache/incubator-nuttx/pull/#5344) arch: z80: fix garbage collector option to linker for ez80 

Driver Support

Drivers With Significant Improvements

 * [#5256](https://github.com/apache/incubator-nuttx/pull/#5256) drivers: Add usbdev serial use boardid 
 * [#5728](https://github.com/apache/incubator-nuttx/pull/#5728) drivers: Merge the common driver initialization into one place 
 * [#5716](https://github.com/apache/incubator-nuttx/pull/#5716) drivers: Move the common driver to misc folder 
 * [#5080](https://github.com/apache/incubator-nuttx/pull/#5080) drivers: regulator/clk rpmsg: pending on wait IPC channel ready 
 * [#4864](https://github.com/apache/incubator-nuttx/pull/#4864) drivers: audio: cxd56: various audio fixes 
 * [#4976](https://github.com/apache/incubator-nuttx/pull/#4976) drivers: bch: support flush and aligned bch buffer 
 * [#4712](https://github.com/apache/incubator-nuttx/pull/#4712) drivers: can: Fix can_poll() POLLOUT calculation 
 * [#2641](https://github.com/apache/incubator-nuttx/pull/#2641) drivers: can: Cleanup usage of soft fifo semaphore 
 * [#4661](https://github.com/apache/incubator-nuttx/pull/#4661) drivers: i2c: fix compile break when enable CONFIG_I2C_BITBANG_NO_DELAY 
 * [#5042](https://github.com/apache/incubator-nuttx/pull/#5042) drivers: input: ads7843e: complement critical section operation 
 * [#5631](https://github.com/apache/incubator-nuttx/pull/#5631) drivers: input: Remove the couple from uinput 
 * [#5624](https://github.com/apache/incubator-nuttx/pull/#5624) drivers: input: joystick/buttons: Fix the event lose between the invocation of poll 
 * [#5625](https://github.com/apache/incubator-nuttx/pull/#5625) drivers: input: joystick: Remove [a|d]joy_enable from [a|d]joy_sample 
 * [#5204](https://github.com/apache/incubator-nuttx/pull/#5204) drivers: input: joystck/buttons: Always protect the open list by critical section 
 * [#4837](https://github.com/apache/incubator-nuttx/pull/#4837) drivers: input: touchscreen: added time stamp for touchscreen event 
 * [#4800](https://github.com/apache/incubator-nuttx/pull/#4800) drivers: input: touchscreen: separate the interface for user interaction 
 * [#4928](https://github.com/apache/incubator-nuttx/pull/#4928) drivers: input: touchscreen: added touchscreen gesture 
 * [#5005](https://github.com/apache/incubator-nuttx/pull/#5005) drivers: ioexpander: add ioe_rpmsg server and client
 * [#5657](https://github.com/apache/incubator-nuttx/pull/#5657) drivers: ioexpander: Fix invert option value usage 
 * [#5680](https://github.com/apache/incubator-nuttx/pull/#5680) drivers: ioexpander: fix output inversion for ioe_dummy 
 * [#4697](https://github.com/apache/incubator-nuttx/pull/#4697) drivers: ioexpander: gpio: Remove the hardcode 100 lim
 * [#4774](https://github.com/apache/incubator-nuttx/pull/#4774) drivers: ioexpander: gpio: Use generic /dev/gpioN 
 * [#5183](https://github.com/apache/incubator-nuttx/pull/#5183) drivers: ioexpander: Select IOEXPANDER_INT_ENABLE instead depend on it 
 * [#5037](https://github.com/apache/incubator-nuttx/pull/#5037) drivers: net: Replace self defined macros with NET_SOCK_[FAMILY|TYPE|PROTOCOL] itation
 * [#5733](https://github.com/apache/incubator-nuttx/pull/#5733) drivers: note: Add macro guard for instrumention switch 
 * [#4530](https://github.com/apache/incubator-nuttx/pull/#4530) drivers: mmcsd: Add RPMB ioctl 
 * [#5215](https://github.com/apache/incubator-nuttx/pull/#5215) drivers: mmcsd: sdio.c: Fix struct packing of sdio_resp_r5 
 * [#5155](https://github.com/apache/incubator-nuttx/pull/#5155) drivers: mmcsd: sdio: Move sdio utils functions to drivers/mmcsd
 * [#4472](https://github.com/apache/incubator-nuttx/pull/#4472) drivers: mmcsd: sdio: Update the defintion to the latest spec 
 * [#5294](https://github.com/apache/incubator-nuttx/pull/#5294) drivers: mmcsd: add option to limit block count in multiple-block trans… 
 * [#5182](https://github.com/apache/incubator-nuttx/pull/#5182) drivers: motor: Move simulated drivers from sim to common place 
 * [#4833](https://github.com/apache/incubator-nuttx/pull/#4833) drivers: motor: add upperhalf structure 
 * [#5442](https://github.com/apache/incubator-nuttx/pull/#5442) drivers: mtd: enlarge the limits of blocksize in struct m… 
 * [#5451](https://github.com/apache/incubator-nuttx/pull/#5451) drivers: mtd: sst39vf.c: patch address map issue 
 * [#4924](https://github.com/apache/incubator-nuttx/pull/#4924) drivers: mtd: Support multiple SST26 devices on the same spi bus 
 * [#4921](https://github.com/apache/incubator-nuttx/pull/#4921) drivers: mtd: fix overflow checks in mtdpart 
 * [#4891](https://github.com/apache/incubator-nuttx/pull/#4891) drivers: mtd: ramtron: Remove errant code and definitions 
 * [#4995](https://github.com/apache/incubator-nuttx/pull/#4995) drivers: mtd/filemtd: improve write and erase access 
 * [#4964](https://github.com/apache/incubator-nuttx/pull/#4964) drivers: note: noteram: when the buffer overflow happen and give the asan report 
 * [#4763](https://github.com/apache/incubator-nuttx/pull/#4763) drivers: pipes: pipe close should notify block writting, and write will return … 
 * [#5425](https://github.com/apache/incubator-nuttx/pull/#5425) drivers: pipes: Remove pipe from file system after open 
 * [#5475](https://github.com/apache/incubator-nuttx/pull/#5475) drivers: pipes: Don't use sched_[lock|unlock] to do protection 
 * [#5423](https://github.com/apache/incubator-nuttx/pull/#5423) drivers: pipes: Add DEV_PIPE_VFS_PATH to specify the pipe location 
 * [#4729](https://github.com/apache/incubator-nuttx/pull/#4729) drivers: power: battery: add baterr, batinfo, batwarn for debug log 
 * [#4708](https://github.com/apache/incubator-nuttx/pull/#4708) drivers: power: charge: modify battery_gauge code 
 * [#4990](https://github.com/apache/incubator-nuttx/pull/#4990) drivers: power: charger: fix crash when notify without pollwaiter 
 * [#4889](https://github.com/apache/incubator-nuttx/pull/#4889) drivers: power: improve charger interface
 * [#5701](https://github.com/apache/incubator-nuttx/pull/#5701) drivers: power: govorner: add govorner to per domain. 
 * [#5591](https://github.com/apache/incubator-nuttx/pull/#5591) drivers: power: PM: add domain inner update power state feature 
 * [#5050](https://github.com/apache/incubator-nuttx/pull/#5050) drivers: power: set ioexpander direction in regulator gpio init.
 * [#5689](https://github.com/apache/incubator-nuttx/pull/#5689) drivers: segger/sysview: add syscall support  
 * [#5140](https://github.com/apache/incubator-nuttx/pull/#5140) drivers: sensors: as5048b: fix lower half init issue 
 * [#5061](https://github.com/apache/incubator-nuttx/pull/#5061) drivers: sensors: isl29023.c: fix compilation error and warnings 
 * [#4838](https://github.com/apache/incubator-nuttx/pull/#4838) drivers: sensors: Add sensor type ots. 
 * [#4850](https://github.com/apache/incubator-nuttx/pull/#4850) drivers: sensors: add set calibration interface 
 * [#4842](https://github.com/apache/incubator-nuttx/pull/#4842) drivers: sensors: Optimized GPS sensor and add gps satellite sensor. 
 * [#5356](https://github.com/apache/incubator-nuttx/pull/#5356) drivers: sensors: ppg of dual- and quad-channel sensor types 
 * [#5024](https://github.com/apache/incubator-nuttx/pull/#5024) drivers: sensors: reset interval,latency and circbuf when sensor is closed 
 * [#5128](https://github.com/apache/incubator-nuttx/pull/#5128) drivers: serial: uart16550: Support 64bit platform 
 * [#5573](https://github.com/apache/incubator-nuttx/pull/#5573) drivers: serial: pty: Handle pty ioctl and fcntl to pipe ioctl 
 * [#5114](https://github.com/apache/incubator-nuttx/pull/#5114) drivers: serial: add CONFIG_TTY_LAUNCH support 
 * [#5197](https://github.com/apache/incubator-nuttx/pull/#5197) drivers: serial: merge serial check signo to one place 
 * [#5430](https://github.com/apache/incubator-nuttx/pull/#5430) drivers: serial: fix cu crash caused by ioctl is NULL 
 * [#5395](https://github.com/apache/incubator-nuttx/pull/#5395) drivers: serial: Consolidate the general termios in the common place 
 * [#5427](https://github.com/apache/incubator-nuttx/pull/#5427) drivers: serial: Minor fix for ptmx driver 
 * [#5415](https://github.com/apache/incubator-nuttx/pull/#5415) drivers: serial: pty: Sync the default value of iflag and oflag regardless CONFIG_SERIAL_TERMIOS 
 * [#5444](https://github.com/apache/incubator-nuttx/pull/#5444) drivers: serial: pty: Decouple SUSv1 style from pseudo fs operation 
 * [#5227](https://github.com/apache/incubator-nuttx/pull/#5227) drivers: serial: uart_16550: Allow uintptr_t as addr width 
 * [#4940](https://github.com/apache/incubator-nuttx/pull/#4940) drivers: serial: Fix offset calculation in 16550 
 * [#5569](https://github.com/apache/incubator-nuttx/pull/#5569) drivers: serial: pty: Move the post process after reading the buffer 
 * [#5551](https://github.com/apache/incubator-nuttx/pull/#5551) drivers: serial: pty: Remove the unused code related to CONFIG_PSEUDOTERM_FULLBLOCKS 
 * [#5402](https://github.com/apache/incubator-nuttx/pull/#5402) drivers: serial: pty: fix the lock handling 
 * [#5428](https://github.com/apache/incubator-nuttx/pull/#5428) drivers: serial: pty: Close the internal pipe when reference count drop to zero 
 * [#5429](https://github.com/apache/incubator-nuttx/pull/#5429) drivers: serial: pty: Don't use shced_[lock|unlock] to protect pp_locked 
 * [#5433](https://github.com/apache/incubator-nuttx/pull/#5433) drivers: serial: pty: Reorder the register driver to simplify the error handling 
 * [#5581](https://github.com/apache/incubator-nuttx/pull/#5581) drivers: serial: pty: Remove the TODO comment for O_NONBLOCK 
 * [#5158](https://github.com/apache/incubator-nuttx/pull/#5158) drivers: serial: uart_rpmsg: fix data loss 
 * [#4789](https://github.com/apache/incubator-nuttx/pull/#4789) drivers: spi: Extend CONFIG_SPI_CS_DELAY_CONTROL to do inter frame delay and rename CONFIG_SPI_DELAY_CONTROL 
 * [#5408](https://github.com/apache/incubator-nuttx/pull/#5408) drivers: syslog: syslog_device: fix flushing data when end of line is detected 
 * [#4873](https://github.com/apache/incubator-nuttx/pull/#4873) drivers: syslog: change /dev/syslog & /dev/ramlog for unix standard 
 * [#5386](https://github.com/apache/incubator-nuttx/pull/#5386) drivers: syslog: Refine Kconfig option 
 * [#5386](https://github.com/apache/incubator-nuttx/pull/#5388) drivers: syslog: Implement RTT based log channel 
 * [#5735](https://github.com/apache/incubator-nuttx/pull/#5735) drivers: syslog: correct the return value of default channel write 
 * [#5387](https://github.com/apache/incubator-nuttx/pull/#5387) drivers: syslog: Include nuttx/syslog/syslog.h in include/nuttx/syslog/syslog_rpmsg.h 
 * [#5217](https://github.com/apache/incubator-nuttx/pull/#5217) drivers: syslog: Fix in file channel initialization. 
 * [#5021](https://github.com/apache/incubator-nuttx/pull/#5021) drivers: syslog/rpmsg: using up_putc to force flush syslog_rpmsg buffer 
 * [#5333](https://github.com/apache/incubator-nuttx/pull/#5333) drivers: timers: Add weak_function for up_ function 
 * [#5265](https://github.com/apache/incubator-nuttx/pull/#5265) drivers: timers: dirctly call rpmsg_rtc_server_xx() in server_ept_cb() 
 * [#5743](https://github.com/apache/incubator-nuttx/pull/#5743) drivers: timers: timer: Add option for non-periodic notification 
 * [#5232](https://github.com/apache/incubator-nuttx/pull/#5232) drivers: timers: rpmsg_rtc: resolve deadlock when the receive SYNC cmd 
 * [#5230](https://github.com/apache/incubator-nuttx/pull/#5230) drivers: timers: Simplify the RTC rpmsg driver implementation 
 * [#4635](https://github.com/apache/incubator-nuttx/pull/#4635) drivers: userled: Implement getall by checking actual pin state 
 * [#5594](https://github.com/apache/incubator-nuttx/pull/#5594) drivers: video: vncserver: Allow fb operation while no connection 
 * [#5510](https://github.com/apache/incubator-nuttx/pull/#5510) drivers: video: vncserver: Fix dead lock on re-connect 
 * [#5369](https://github.com/apache/incubator-nuttx/pull/#5369) drivers: usbdev: cdcacm:support returning c_cflag & speed via termios 
 * [#5249](https://github.com/apache/incubator-nuttx/pull/#5249) drivers: usbdev: Fix aligment issue: pktbuf needs to be 16bit aligned 
 * [#4766](https://github.com/apache/incubator-nuttx/pull/#4766) drivers: Fix syslog_write failed 
 * [#4757](https://github.com/apache/incubator-nuttx/pull/#4757) drivers: rptun: add ns_unbind_notify support 
 * [#4974](https://github.com/apache/incubator-nuttx/pull/#4974) drivers: rptun: support can_recursive check for openamp 
 * [#5112](https://github.com/apache/incubator-nuttx/pull/#5112) drivers: wireless: bcm43xxx: supported ARM CR4 core and bcm43455 chip in particular 
 * [#4690](https://github.com/apache/incubator-nuttx/pull/#4690) drivers: wireless: bcm43xxx: supported high-speed timing mode with a clock rate up to 50MHz
 * [#4778](https://github.com/apache/incubator-nuttx/pull/#4778) drivers: wireless: bcm43xxx: corrected SDIO_CCCR_HIGHSPEED_SHS bit handling 
 * [#5497](https://github.com/apache/incubator-nuttx/pull/#5497) drivers: wireless: Fix gs2200m_ioctl_accept() 

New Driver Support

 * [#5002](https://github.com/apache/incubator-nuttx/pull/#5002) drivers: analog: add mcp48xx dac support 
 * [#5376](https://github.com/apache/incubator-nuttx/pull/#5376) drivers: i2c: Add TCA9548A I2C Multiplexer 
 * [#4937](https://github.com/apache/incubator-nuttx/pull/#4937) drivers: mtd: add MTD null driver support 
 * [#4943](https://github.com/apache/incubator-nuttx/pull/#4943) drivers: power: add regulator framework 
 * [#5317](https://github.com/apache/incubator-nuttx/pull/#5317) drivers: sensors: add support to MS5611 barometer 
 * [#4691](https://github.com/apache/incubator-nuttx/pull/#4691) drivers: sensors: support new sensor type 
 * [#5499](https://github.com/apache/incubator-nuttx/pull/#5499) drivers: timers: add EPSON RX8010SJ I2C RTC timer support 
 * [#4918](https://github.com/apache/incubator-nuttx/pull/#4918) drivers: clk: add clk framework 
 * [#5258](https://github.com/apache/incubator-nuttx/pull/#5258) drivers: input: add touchscreen uinput driver 
 * [#5327](https://github.com/apache/incubator-nuttx/pull/#5327) drivers: segger: add Segger System View support 

Board Support

New Board Support

 * [#5363](https://github.com/apache/incubator-nuttx/pull/#5363) boards: arm: phy62xx: add phyplus_rel_1.4 
 * [#4916](https://github.com/apache/incubator-nuttx/pull/#4916) boards: arm: samv7: add support for SAME70 QMTECH board 
 * [#5195](https://github.com/apache/incubator-nuttx/pull/#5195) boards: arm: rp2040: add support for Pimoroni Tiny 2040 board
 * [#4851](https://github.com/apache/incubator-nuttx/pull/#4851) boards: risc-v: mpfs: Add support for Aries M100PFSMVP board 

Boards With Significant Improvements

 * [#5553](https://github.com/apache/incubator-nuttx/pull/#5553) boards: Add -fno-common to ARCHCFLAGS and ARCHCXXFLAGS 
 * [#5330](https://github.com/apache/incubator-nuttx/pull/#5330) boards: Board.mk: Make romfs_img 4 byte aligned 
 * [#5712](https://github.com/apache/incubator-nuttx/pull/#5712) boards: Kconfig: introduce ARCH_BOARD_COMMON option 
 * [#4744](https://github.com/apache/incubator-nuttx/pull/#4744) boards: Rename FOC_VEL_ADC to FOC_SETPOINT_ADC
 * [#5557](https://github.com/apache/incubator-nuttx/pull/#5557) boards: Replace CONFIG_CYGWIN_WINTOOL with CONVERT_PATH 
 * [#5555](https://github.com/apache/incubator-nuttx/pull/#5555) boards: Remove the unnecessary customize Make.defs 
 * [#5476](https://github.com/apache/incubator-nuttx/pull/#5476) boards: Remove -fno-builtin 
 * [#5244](https://github.com/apache/incubator-nuttx/pull/#5244) boards: Remove -fno-strength-reduce 
 * [#5349](https://github.com/apache/incubator-nuttx/pull/#5349) boards: Remove unused NXFLAT flags from Make.defs 
 * [#5348](https://github.com/apache/incubator-nuttx/pull/#5348) boards: Revert user space / kernel space isolation for pthread_exit 
 * [#5557](https://github.com/apache/incubator-nuttx/pull/#5557) boards: Replace CONFIG_CYGWIN_WINTOOL with CONVERT_PATH 
 * [#5282](https://github.com/apache/incubator-nuttx/pull/#5282) boards: Update board Make.defs

 * [#5440](https://github.com/apache/incubator-nuttx/pull/#5440) boards: arm: cxd56xx: audio: Support I2S input 
 * [#4996](https://github.com/apache/incubator-nuttx/pull/#4996) boards: arm: cxd56xx: spresense: Adjust CONFIG_FAT_MAXFNAME and CONFIG_NAME_MAX 
 * [#4969](https://github.com/apache/incubator-nuttx/pull/#4969) boards: arm: cxd56xx: spresense: Update smp/defconfig 

 * [#5652](https://github.com/apache/incubator-nuttx/pull/#5652) boards: arm: imx6: sabre-6quad: Add knsh 
 * [#5485](https://github.com/apache/incubator-nuttx/pull/#5485) boards: arm: imx6: sabre-6quad: Add -fno-common to Make.defs
 * [#5724](https://github.com/apache/incubator-nuttx/pull/#5724) boards: arm: imx6: sabre-6quad: Add CONFIG_DEBUG_FULLOPT=y to knsh/defconfig 

 * [#5670](https://github.com/apache/incubator-nuttx/pull/#5670) boards: arm: imxrt: fix userled config in appinit 
 * [#5682](https://github.com/apache/incubator-nuttx/pull/#5682) boards: arm: imxrt: userleds: Teensy 4.x board LED is active high 

 * [#4947](https://github.com/apache/incubator-nuttx/pull/#4947) boards: arm: lc823450: lc823450-xgevk: Update bt/defconfig for SMP 
 
 * [#5023](https://github.com/apache/incubator-nuttx/pull/#5023) boards: arm: nrf52: nrf52832-dk/nrf52840-dk: add procfs and sdc support 

 * [#5669](https://github.com/apache/incubator-nuttx/pull/#5669) boards: arm: phy62xx: phy6222: remove -nostartfiles -nodefaultlibs 

 * [#5406](https://github.com/apache/incubator-nuttx/pull/#5406) boards: arm: samv7: disable systick no matter if ARMV7M_SYSTICK is enabled or not
 * [#5710](https://github.com/apache/incubator-nuttx/pull/#5710) boards: arm: samv7: rework linker script usage logic to allow custom linker scripts 
 * [#5281](https://github.com/apache/incubator-nuttx/pull/#5281) boards: arm: samv7: move HSMCI interface to common 
 * [#4981](https://github.com/apache/incubator-nuttx/pull/#4981) boards: arm: samv7: Introduce common folder and refactor MCUboot 
 * [#5320](https://github.com/apache/incubator-nuttx/pull/#5320) boards: arm: samv7: common: add HSMCI0 boot mount configuration option 
 * [#5127](https://github.com/apache/incubator-nuttx/pull/#5127) boards: arm: samv7: common: Improve SAMv7 common folder approach
 * [#5318](https://github.com/apache/incubator-nuttx/pull/#5318) boards: arm: samv7: same70-qmtech: enable slow crystal 
 * [#5410](https://github.com/apache/incubator-nuttx/pull/#5410) boards: arm: samv7: same70-qmtech: add buttons interface 
 * [#4911](https://github.com/apache/incubator-nuttx/pull/#4911) boards: arm: samv7: samv71-xult: Set console at usart1 
 * [#5676](https://github.com/apache/incubator-nuttx/pull/#5676) boards: arm: samv7: default BOARD_SAMV7_COMMON to n 
 * [#5119](https://github.com/apache/incubator-nuttx/pull/#5119) boards: arm: samv7: improve progmem common interface 
 * [#5276](https://github.com/apache/incubator-nuttx/pull/#5276) boards: arm: samv7: fix build error when automount is enabled 
 * [#5277](https://github.com/apache/incubator-nuttx/pull/#5277) boards: arm: same70-qmtech: switch console to UART0 
 * [#5312](https://github.com/apache/incubator-nuttx/pull/#5312) boards: arm: same70-qmtech: clarify usage of CD signal on SD card connector 
 * [#4880](https://github.com/apache/incubator-nuttx/pull/#4880) boards: arm: same70-xplained: MCUboot support for SAM E70 Xplained 
 * [#4912](https://github.com/apache/incubator-nuttx/pull/#4912) boards: arm: same70-xplained: disable systick before loading MCUboot application 
 * [#4907](https://github.com/apache/incubator-nuttx/pull/#4907) boards: arm: same70-xplained: scripts: fix memory region size for MCUboot app 
 * [#4906](https://github.com/apache/incubator-nuttx/pull/#4906) boards: arm: same70-xplained: fix usage of SAMV71XULT instead of SAME70XPLAINED 
 * [#4915](https://github.com/apache/incubator-nuttx/pull/#4915) boards: arm: same70-xplained: MCUboot related improvements 

 * [#5011](https://github.com/apache/incubator-nuttx/pull/#5011) boards: arm: stm32: emw3162: enabled internal pull-up resistors on SDIO bus 
 * [#4750](https://github.com/apache/incubator-nuttx/pull/#4750) boards: arm: stm32: Normalize FOC related project 
 * [#5612](https://github.com/apache/incubator-nuttx/pull/#5612) boards: arm: stm32: Update adb configs 
 * [#5675](https://github.com/apache/incubator-nuttx/pull/#5675) boards: arm: stm32: stm32f4discovery: Remove CONFIG_LIBC_EXECFUNCS from adb defconfig 
 * [#4775](https://github.com/apache/incubator-nuttx/pull/#4775) boards: arm: stm32: b-g431b-esc1: add Hall and Qenco support 
 * [#5420](https://github.com/apache/incubator-nuttx/pull/#5420) boards: arm: stm32: b-g431b-esc1/nucleo-g431rb: add SocketCAN examples 
 * [#5237](https://github.com/apache/incubator-nuttx/pull/#5237) boards: arm: stm32: b-g431b-esc1/nucleo-g431rb: add CAN example for 
 * [#5238](https://github.com/apache/incubator-nuttx/pull/#5238) boards: arm: stm32: nucleo-f302r8: nucleo-f446re: add SocketCAN example 
 * [#4785](https://github.com/apache/incubator-nuttx/pull/#4785) boards: arm: stm32: nucleo-f302r8: disable NSH commands for FOC configs to save FLASH 
 * [#4938](https://github.com/apache/incubator-nuttx/pull/#4938) boards: arm: stm32: nucleo-f302r8: add 3ph Hall sensor support 
 * [#5166](https://github.com/apache/incubator-nuttx/pull/#5166) boards: arm: stm32: nucleo-f446re: add procfs support 
 * [#5614](https://github.com/apache/incubator-nuttx/pull/#5614) boards: arm: stm32: nucleo-l152re: Added registering logic SPI on /dev.
 * [#5439](https://github.com/apache/incubator-nuttx/pull/#5439) boards: arm: stm32: nucleo-l152re: Test/i2c 
 * [#5009](https://github.com/apache/incubator-nuttx/pull/#5009) boards: arm: stm32: nucleo-f4x1re: Correct issues with userled support on the Nucleo F4x1RE. 
 * [#5130](https://github.com/apache/incubator-nuttx/pull/#5130) boards: arm: stm32: photon: added configuration to measure wlan performance 

 * [#5697](https://github.com/apache/incubator-nuttx/pull/#5697) boards: arm: stm32[f7|l4]: fix SPI chip select GPIO access 
 * [#4827](https://github.com/apache/incubator-nuttx/pull/#4827) boards: arm: stm32h7: nucleo-h743zi: add board_reset function 

 * [#5664](https://github.com/apache/incubator-nuttx/pull/#5664) boards: arm: tiva: ekk-lm3s9b96: Remove unused mmcsd option 
 * [#5595](https://github.com/apache/incubator-nuttx/pull/#5595) boards: arm: tiva: lm3s6965-ek: Add qemu-kostest  
 * [#5597](https://github.com/apache/incubator-nuttx/pull/#5597) boards: arm: tiva: lm3s6965-ek: Fix qemu-kostest 
 * [#5597](https://github.com/apache/incubator-nuttx/pull/#5597) boards: arm: tiva: lm3s6965-ek: Fix qemu-kostest 

 * [#5134](https://github.com/apache/incubator-nuttx/pull/#5134) boards: risc-v: hifive1-revb: Enable some nsh commands in nsh/defconfig 
 * [#4675](https://github.com/apache/incubator-nuttx/pull/#4675) boards: risc-v: k210: Add initial gpio user space support 
 * [#4665](https://github.com/apache/incubator-nuttx/pull/#4665) boards: risc-v: k210: Fix -march and -mabi 
 * [#5067](https://github.com/apache/incubator-nuttx/pull/#5067) boards: risc-v: mpfs: update m100pfsevp board info 
 * [#5688](https://github.com/apache/incubator-nuttx/pull/#5688) boards: risc-v: mpfs: MPFS USB driver 
 * [#5111](https://github.com/apache/incubator-nuttx/pull/#5111) boards: risc-v: m100pfsevp: Decrease DDR lane temination values to 40 ohm and … 
 * [#5500](https://github.com/apache/incubator-nuttx/pull/#5500) boards: risc-v: bl602: Remove -D__NuttX__ from Makefile 
 * [#5515](https://github.com/apache/incubator-nuttx/pull/#5515) boards: risc-v: rv-virt: Supports FPU test and ostest in both rv32/rv64 

 * [#5544](https://github.com/apache/incubator-nuttx/pull/#5544) boards: sim: Add missing options to sim:vncserver 
 * [#5559](https://github.com/apache/incubator-nuttx/pull/#5559) boards: sim: Rename ARCHCPUFLAGS[XX] to ARCHC[XX]FLAGS 
 * [#5739](https://github.com/apache/incubator-nuttx/pull/#5739) boards: sim: add support of custom optimization level 
 * [#5186](https://github.com/apache/incubator-nuttx/pull/#5186) boards: sim: Turn on more rpmsg drivers in rpserver config 
 * [#5101](https://github.com/apache/incubator-nuttx/pull/#5101) boards: sim: Remove sim_tsc_setup 
 * [#5561](https://github.com/apache/incubator-nuttx/pull/#5561) boards: sim: defconfig for hello_rust 
 * [#5535](https://github.com/apache/incubator-nuttx/pull/#5535) boards: sim: Enable Rust suppport for hello_rust application. 
 * [#5640](https://github.com/apache/incubator-nuttx/pull/#5640) boards: sim: Remove CCLINKFLAGS, use CFLAGS/CXXFLAGS instead 
 * [#5501](https://github.com/apache/incubator-nuttx/pull/#5501) boards: sim: Add adb config for test 
 * [#5121](https://github.com/apache/incubator-nuttx/pull/#5121) boards: sim: recovered eth0 interface in sim:tcpblaster configuration 
 * [#5383](https://github.com/apache/incubator-nuttx/pull/#5383) boards: sim: Make.defs: CELFFLAGS += -mcmodel=large 

 * [#5644](https://github.com/apache/incubator-nuttx/pull/#5644) boards: sparc: Remove HOSTCC related flags from Make.defs 

 * [#4719](https://github.com/apache/incubator-nuttx/pull/#4719) boards: xtensa: esp32: Refactor SPI Flash File system mount options on menuconfig 
 * [#5596](https://github.com/apache/incubator-nuttx/pull/#5596) boards: xtensa: esp32: Update esp-wireless-drivers-3rdparty 
 * [#5074](https://github.com/apache/incubator-nuttx/pull/#5074) boards: xtensa: esp32: Add board support to SHT3X sensor 
 * [#5051](https://github.com/apache/incubator-nuttx/pull/#5051) boards: xtensa: esp32: Enable canaries stack protection to ESP32 chips 
 * [#5617](https://github.com/apache/incubator-nuttx/pull/#5617) boards: xtensa: esp32-devkitc: Fix boot failure on tickless defconfig 
 * [#5654](https://github.com/apache/incubator-nuttx/pull/#5654) boards: xtensa: esp32-devkitc: Increase INIT_STACKSIZE to 3072 in smp/defconfig 
 * [#5075](https://github.com/apache/incubator-nuttx/pull/#5075) boards: xtensa: esp32-devkitc: Change CONFIG_USER_ENTRYPOINT to CONFIG_INIT_ENTRYPOINT 

File System

Bug Fixes

 * [#4694](https://github.com/apache/incubator-nuttx/pull/#4694) fs: littlefs: fix rmdir can remove a file
 * [#4722](https://github.com/apache/incubator-nuttx/pull/#4722) fs: mqueue: fix memory leak cause by lost inode_release 
 * [#5214](https://github.com/apache/incubator-nuttx/pull/#5214) fs: partition: Fix compilation errors when CONFIG_FS_LARGEFIL… 
 * [#5279](https://github.com/apache/incubator-nuttx/pull/#5279) fs: partition: Fix an overflow in blkcnt_t gpt_last_lba
 * [#5653](https://github.com/apache/incubator-nuttx/pull/#5653) fs: romfs: fix read file mismatch when the length of file name is 16 
 * [#5257](https://github.com/apache/incubator-nuttx/pull/#5257) fs: smartfs: Fix file size corruption when opening with truncate mode 
 * [#4811](https://github.com/apache/incubator-nuttx/pull/#4811) fs: procfs: fix ps can't log out Group id 
 * [#5172](https://github.com/apache/incubator-nuttx/pull/#5172) fs: procfs: fix readdir loss last character
 * [#4968](https://github.com/apache/incubator-nuttx/pull/#4968) fs: fat: Use uint16_t instead of wchar_t 

Significant Improvements

 * [#5108](https://github.com/apache/incubator-nuttx/pull/#5108) fs: change fs strncpy to strlcpy to avoid losing'\0' 
 * [#5460](https://github.com/apache/incubator-nuttx/pull/#5460) fs: epoll_fd: support dup file descriptor
 * [#5345](https://github.com/apache/incubator-nuttx/pull/#5345) fs: fs_automount: add options for signaling when volume is mounted and unmounted 
 * [#4934](https://github.com/apache/incubator-nuttx/pull/#4934) fs: hosfs_rpmsg: merge hostfs_rpmsg to rpmsgfs 
 * [#4986](https://github.com/apache/incubator-nuttx/pull/#4986) fs: hostfs: add lock to hostfs_rewinddir 
 * [#4718](https://github.com/apache/incubator-nuttx/pull/#4718) fs: mount: Properly handle missing FS on the supported list 
 * [#4721](https://github.com/apache/incubator-nuttx/pull/#4721) fs: mqueue: Change MAX_MQUEUE_PATH to 64 
 * [#4734](https://github.com/apache/incubator-nuttx/pull/#4734) fs: partition: support mbr and gpt partition parsing 
 * [#4687](https://github.com/apache/incubator-nuttx/pull/#4687) fs: partition: Make read_partition_block callable outside ptable 
 * [#5207](https://github.com/apache/incubator-nuttx/pull/#5207) fs: procfs: Remove the unnecessary strcmp 
 * [#5554](https://github.com/apache/incubator-nuttx/pull/#5554) fs: procfs: add newline /proc/*/loadavg snprintf format 
 * [#5157](https://github.com/apache/incubator-nuttx/pull/#5157) fs: romfs: remove the error single list and using reference 
 * [#5461](https://github.com/apache/incubator-nuttx/pull/#5461) fs: romfs: add FAR for all pointer and optimize some code 
 * [#5635](https://github.com/apache/incubator-nuttx/pull/#5635) fs: romfs: optimize romfs_open speed and get path by cmd FIOC_FILEPATH 
 * [#5022](https://github.com/apache/incubator-nuttx/pull/#5022) fs: tmpfs: support fsync always successful 
 * [#5014](https://github.com/apache/incubator-nuttx/pull/#5014) fs: vfs: Add file descriptor based timers support 
 * [#5028](https://github.com/apache/incubator-nuttx/pull/#5028) fs: vfs: eventfd: Remove the unused and private eventfd_get_minor 
 * [#5224](https://github.com/apache/incubator-nuttx/pull/#5224) fs: vfs: Do not require write-access for fsync 
 * [#4767](https://github.com/apache/incubator-nuttx/pull/#4767) fs: vfs: sanity check for parameter:length 

Networking

Improvements

 * [#5254](https://github.com/apache/incubator-nuttx/pull/#5254) net: unify FAR keyword usage for all net buffer memory mapped buffers 
 * [#5049](https://github.com/apache/incubator-nuttx/pull/#5049) net: Update IFF_RUNNING flag by netdev_carrier_on and netdev_carrier_off 
 * [#4895](https://github.com/apache/incubator-nuttx/pull/#4895) net: arp: clean the arp table when netdev carrier off 
 * [#5168](https://github.com/apache/incubator-nuttx/pull/#5168) net: can: add CAN error definitions 
 * [#4814](https://github.com/apache/incubator-nuttx/pull/#4814) net: can: can_recvmsg.c : put can_readahead in critical section 
 * [#5467](https://github.com/apache/incubator-nuttx/pull/#5467) net: can: remove psock reference from can connect 
 * [#5110](https://github.com/apache/incubator-nuttx/pull/#5110) net: devif: allocate devif callback dynamically 
 * [#5181](https://github.com/apache/incubator-nuttx/pull/#5181) net: devif: devif_callback_free() call is not needed anymore in devif_callback_alloc() 
 * [#5136](https://github.com/apache/incubator-nuttx/pull/#5136) net: icmp: post the semaphore if multiple references 
 * [#5525](https://github.com/apache/incubator-nuttx/pull/#5525) net: ioballoc: add support of alloc with timeout net_iobtimedalloc() 
 * [#5426](https://github.com/apache/incubator-nuttx/pull/#5426) net: local: Rename NET_LOCAL_PATH_PREFIX to NET_LOCAL_VFS_PATH 
 * [#4987](https://github.com/apache/incubator-nuttx/pull/#4987) net: local_socket: filename use "/var/socket/xx" instead of "/var/socketxx" 
 * [#5150](https://github.com/apache/incubator-nuttx/pull/#5150) net: misc: add support for CONFIG_NET_ALLOC_CONNS 
 * [#5725](https://github.com/apache/incubator-nuttx/pull/#5725) net: optimize network subsystem initialization 
 * [#4973](https://github.com/apache/incubator-nuttx/pull/#4973) net: rpmsg: add ioctl & fix unblock connect crash 
 * [#4760](https://github.com/apache/incubator-nuttx/pull/#4760) net: socket: rpmsg related bug fix & update 
 * [#5337](https://github.com/apache/incubator-nuttx/pull/#5337) net: tcbinfo: Update tcbinfo struct, Fix the compile warning 
 * [#5526](https://github.com/apache/incubator-nuttx/pull/#5526) net: tcp: add support for send timeout on buffer mode 
 * [#5373](https://github.com/apache/incubator-nuttx/pull/#5373) net: tcp: add debug asserts and logging to investigate the rare (conn->dev == NULL) bug in callback handlers 
 * [#5462](https://github.com/apache/incubator-nuttx/pull/#5462) net: tcp: monitor: do not migrate the state to close 
 * [#5405](https://github.com/apache/incubator-nuttx/pull/#5405) net: tcp: netdev/mld: correct the netlock handling 
 * [#4660](https://github.com/apache/incubator-nuttx/pull/#4660) net: tcp: Remove NET_TCP_SPLIT 
 * [#5469](https://github.com/apache/incubator-nuttx/pull/#5469) net: tcp: support for FIN+ACK case in tcp send event handlers 
 * [#5341](https://github.com/apache/incubator-nuttx/pull/#5341) net: tcp: transformed NET_TCP_FAST_RETRANSMIT_WATERMARK option to boolean. 
 * [#5434](https://github.com/apache/incubator-nuttx/pull/#5434) net: tcp: udp: remove psock hook to avoid invalid reference 
 * [#5339](https://github.com/apache/incubator-nuttx/pull/#5339) net: tcp/tcp_sendfile: optimized out sendfile_txnotify() function 
 * [#5252](https://github.com/apache/incubator-nuttx/pull/#5252) net: tcp/tcp_send*: reliably obtain the TCP connection pointer in TCP event handlers 
 * [#5268](https://github.com/apache/incubator-nuttx/pull/#5268) net: tcp/tcp_send*: added debug asserts for TCP_ACKDATA, TCP_REXMIT and TCP_DISCONN_EVENTS flags 
 * [#5262](https://github.com/apache/incubator-nuttx/pull/#5262) net: tcp/sendfile: swapped the location of TCP_DISCONN_EVENTS and TCP_ACKDATA conditions 
 * [#5340](https://github.com/apache/incubator-nuttx/pull/#5614#5340) boardsnet: arm: stm32: nucleo-l152re: Added registering logic SPI on /dev.tcp/sendfile: notify the device driver of the availability of TX data on TCP retransmission 
 * [#5130#5311](https://github.com/apache/incubator-nuttx/pull/#5130#5311) boardsnet: arm: stm32: photon: added configuration to measure wlan performance tcp/sendfile: fast retransmit on duplicate acknowledgments (RFC 5681) 
 * [#5697#5242](https://github.com/apache/incubator-nuttx/pull/#5697#5242) boardsnet: arm: stm32[f7|l4]: fix SPI chip select GPIO access tcp/sendfile: TCP retransmission could not start because of incorrect snd_ackcb callback handling 
 * [#4827#5104](https://github.com/apache/incubator-nuttx/pull/#4827#5104) boardsnet: arm: stm32h7: nucleo-h743zi: add board_reset function tcp/udp: allocate tcp/udp connect dynamically 
 * [#5664#5156](https://github.com/apache/incubator-nuttx/pull/#5664#5156) boards: arm: tiva: ekk-lm3s9b96: Remove unused mmcsd option net: usrsock: add support for CONFIG_NET_ALLOC_CONNS 
 * [#5595#5045](https://github.com/apache/incubator-nuttx/pull/#5595#5045) boardsnet: arm: tiva: lm3s6965-ek: Add qemu-kostest  usrsock: increase the sendto() length limit to UINT32_MAX 

Bug Fixes

 * [#5597#5480](https://github.com/apache/incubator-nuttx/pull/#5597#5480) boardsnet: arm: tiva: lm3s6965-ek: Fix qemu-kostest can: can_setsockopt.c: fix assertion, value can be NULL 
 * [#5134#5141](https://github.com/apache/incubator-nuttx/pull/#5134#5141) boardsnet: risc-v: hifive1-revb: Enable some nsh commands in nsh/defconfig can: SocketCAN: minor fixes 
 * [#4675#4575](https://github.com/apache/incubator-nuttx/pull/#4675#4575) boardsnet: risc-v: k210: Add initial gpio user space support devif: Fix the memory leak in case of netdev isn't alive 
 * [#4665#5437](https://github.com/apache/incubator-nuttx/pull/#4665#5437) boardsnet: risc-v: k210: Fix -march and -mabi devif: remove invalid NET_IPv4_REASSEMBLY definition  
 * [#5067#5090](https://github.com/apache/incubator-nuttx/pull/#5067#5090) boards: risc-v: mpfs: update m100pfsevp board info net: fix unaligned memory access when creating ICMP Port Unreachable messages 
 * [#5111#5245](https://github.com/apache/incubator-nuttx/pull/#5111#5245) boardsnet: risc-v: m100pfsevp: Decrease DDR lane temination values to 40 ohm and … icmp: fix build break if enable NET_ALLOC_CONNS 
 * [#5515#4761](https://github.com/apache/incubator-nuttx/pull/#5515#4761) boardsnet: risc-v: rv-virt: Supports FPU test and ostest in both rv32/rv64 local: socket bug fix & update 
 * [#5544#5436](https://github.com/apache/incubator-nuttx/pull/#5544#5436) boardsnet: sim: Add missing options to sim:vncserver netdev: lladdrsize: remove invalid duplicate case 
 * [#5559#5466](https://github.com/apache/incubator-nuttx/pull/#5559#5466) boardsnet: sim: Rename ARCHCPUFLAGS[XX] to ARCHC[XX]FLAGS rpmsg: fix the NULL pointer reference on nonblock accept 
 * [#5739#5531](https://github.com/apache/incubator-nuttx/pull/#5739#5531) boardsnet: sim: add support of custom optimization level socket: fix shadow variable 
 * [#5186#5006](https://github.com/apache/incubator-nuttx/pull/#5186#5006) boardsnet: sim: Turn on more rpmsg drivers in rpserver config tcp: fix send deadlock if disconnect 
 * [#5101#5296](https://github.com/apache/incubator-nuttx/pull/#5101#5296) boards: sim: Remove sim_tsc_setup net: tcp: fixed warning: ISO C90 forbids mixed declarations and code 
 * [#5561#4639](https://github.com/apache/incubator-nuttx/pull/#5561#4639) boardsnet: sim: defconfig for hello_rust tcp_timer: eliminated false decrements of conn->timer in case of multiple network adapters. 
 * [#5535#4659](https://github.com/apache/incubator-nuttx/pull/#5535#4659) boards: sim: Enable Rust suppport for hello_rust application. net: tcp(unbuffered): retransmit only one the earliest not acknowledged segment 
 * [#5640#4656](https://github.com/apache/incubator-nuttx/pull/#5640#4656) boards: sim: Remove CCLINKFLAGS, use CFLAGS/CXXFLAGS instead net: tcp(unbuffered): fixed an issue with unackseq calculation. 
 * [#5501#5138](https://github.com/apache/incubator-nuttx/pull/#5501#5138) boards: sim: Add adb config for test net: tcp(unbuffered): advance sndseq by +1 because SYN and FIN occupy one sequence number 
 * [#5121#5137](https://github.com/apache/incubator-nuttx/pull/#5121#5137) boards: sim: recovered eth0 interface in sim:tcpblaster configuration net: tcp(unbuffered): fast retransmit on duplicate acknowledgments 
 * [#5383#5078](https://github.com/apache/incubator-nuttx/pull/#5383#5078) boards: sim: Make.defs: CELFFLAGS += -mcmodel=large net: tcp(unbuffered): tx_unacked overflow occurred if NET_TCP_WINDOW_SCALE option was enabled. 
 * [#5644#5102](https://github.com/apache/incubator-nuttx/pull/#5644#5102) boards: sparc: Remove HOSTCC related flags from Make.defs net: tcp(unbuffered): removed excessive overwrites of conn->sndseq 
 * [#4719#5297](https://github.com/apache/incubator-nuttx/pull/#4719#5297) boardsnet: xtensa: esp32: Refactor SPI Flash File system mount options on menuconfig tcp/sendfile: removed excessive overwrites of conn->sndseq 
 * [#5596#5239](https://github.com/apache/incubator-nuttx/pull/#5596#5239) boardsnet: xtensa: esp32: Update esp-wireless-drivers-3rdparty tcp/sendfile: NET_TCP_WRITE_BUFFERS and NET_SENDFILE were inconsistent with each other 
 * [#5074#5293](https://github.com/apache/incubator-nuttx/pull/#5074#5293) boardsnet: xtensa: esp32: Add board support to SHT3X sensor tcp/sendfile: fixed an issue with unackseq calculation. 
 * [#5051#5272](https://github.com/apache/incubator-nuttx/pull/#5051#5272) boardsnet: xtensa: esp32: Enable canaries stack protection to ESP32 chips tcp/sendfile: retransmit only one the earliest not acknowledged segment 
 * [#5617#5013](https://github.com/apache/incubator-nuttx/pull/#5617#5013) boardsnet: xtensa: esp32-devkitc: Fix boot failure on tickless defconfig udp: fix the invaild udp destination address 
 * [#5654#4890](https://github.com/apache/incubator-nuttx/pull/#5654#4890) boardsnet: xtensa: esp32-devkitc: Increase INIT_STACKSIZE to 3072 in smp/defconfig udp/icmp: correct the unreadchable handling 
 * [#5075#5154](https://github.com/apache/incubator-nuttx/pull/#5075#5154) boardsnet: xtensa: esp32-devkitc: Change CONFIG_USER_ENTRYPOINT to CONFIG_INIT_ENTRYPOINT 

File System

Bug Fixes

Significant Improvements

Networking

Applications

Improvements

...

usrsock: replace xid type to uint64_t to avoid limitation of connections 

Security Issues Fixed In This Release

...