* [#17287](https://github.com/apache/nuttx/pull/17287) sched/clock: Fix missing clock_inittime() call
* [#17423](https://github.com/apache/nuttx/pull/17423) docs/sched/sched: Add documentation for different sleep interfaces
* [#17482](https://github.com/apache/nuttx/pull/17482) sched/clock: Remove unnecessary preprocessor definition
* [#17485](https://github.com/apache/nuttx/pull/17485) sched/misc: correct coredump log format
* [#17517](https://github.com/apache/nuttx/pull/17517) sched/sched: Part 1: add high resolution timer (hrtimer) only (without os tick support with hrtimer) for NuttX
* [#17535](https://github.com/apache/nuttx/pull/17535) sched/signal: assert if call timedwait from interrupt
* [#17545](https://github.com/apache/nuttx/pull/17545) sched: merge task_tcb_s and pthread_tcb_s into tcb to simplify the code.
* [#17546](https://github.com/apache/nuttx/pull/17546) sched/env_putenv:putenv is kernel function need use kmm_free
* [#17564](https://github.com/apache/nuttx/pull/17564) Revert "sched/group: move task group into task_tcb_s to improve perfo…
* [#17584](https://github.com/apache/nuttx/pull/17584) sched: Improvements on sched_timerexpiration.
* [#17640](https://github.com/apache/nuttx/pull/17640) sched/wdog: Fix-up for SMP and Improvements.
* [#17642](https://github.com/apache/nuttx/pull/17642) sched/hrtimer: hrtimer state machine improvement for SMP cases
* [#17644](https://github.com/apache/nuttx/pull/17644) sched/signals: add support to partially or fully disable signals 
* [#17680](https://github.com/apache/nuttx/pull/17680) sched: Remove `CONFIG_SCHED_TICKLESS_TICK_ARGUMENT`.
* [#17681](https://github.com/apache/nuttx/pull/17681) sched/wdog: fix race condition in wd_gettime()
* [#17739](https://github.com/apache/nuttx/pull/17739) sched/task: fix Redundant memory allocation.
* [#17781](https://github.com/apache/nuttx/pull/17781) sched/hrtimer: isolate SMP logic in hrtimer
* [#17784](https://github.com/apache/nuttx/pull/17784) sched/hrtimer: Fix some functional correctness issues.
* [#17796](https://github.com/apache/nuttx/pull/17796) sched/wdog: Simplify the wdog expiration handling.
* [#17822](https://github.com/apache/nuttx/pull/17822) sched: binfmt remove csection
* [#17823](https://github.com/apache/nuttx/pull/17823) sched: merge nxsched_timer_expiration() into nxsched_process_timer() to simplify tick process
* [#17848](https://github.com/apache/nuttx/pull/17848) sched/hrtimer: Some improvements.
* [#17912](https://github.com/apache/nuttx/pull/17912) sched/sched: Improve sched make and cmake scripts
* [#17921](https://github.com/apache/nuttx/pull/17921) sched/hrtimer: fix Kconfig typo
* [#17941](https://github.com/apache/nuttx/pull/17941) sched/tls: fix uninitialized argv pointer in task info
* [#17953](https://github.com/apache/nuttx/pull/17953) sched/task: fix task_exit regression with critical section state
* [#17955](https://github.com/apache/nuttx/pull/17955) sched/addrenv: replace critical section with spinlock for refs protec…
* [#17957](https://github.com/apache/nuttx/pull/17957) sched/environ: rm cestion_in evn
* [#17958](https://github.com/apache/nuttx/pull/17958) sched/irq: handle NULL ISR handler in irq_default_handler
* [#17959](https://github.com/apache/nuttx/pull/17959) sched/signal: use spinlock to protect signal queues
* [#17969](https://github.com/apache/nuttx/pull/17969) sched/sched_roundrobin.c: fix round-robin scheduling in SMP mode
* [#17971](https://github.com/apache/nuttx/pull/17971) sched/list: some improvements.
* [#17981](https://github.com/apache/nuttx/pull/17981) sched: stack debugging improvements
* [#17985](https://github.com/apache/nuttx/pull/17985) sched/task: fix null pointer dereference in fork address environment …
* [#17991](https://github.com/apache/nuttx/pull/17991) sched/signals: improvements for when all signals are disabled
* [#17993](https://github.com/apache/nuttx/pull/17993) sched/wdog: Simplify tickless timer expiration.
* [#18002](https://github.com/apache/nuttx/pull/18002) sched/sched: add sched_timer.c to improve tick processing and enable hrtimer support for scheduler
* [#18007](https://github.com/apache/nuttx/pull/18007) sched/group: add spinlock in group_childstatus.c
* [#18012](https://github.com/apache/nuttx/pull/18012) sched: add spinlock to sched_note_preemption and nxsched_critmon_pree…
* [#18016](https://github.com/apache/nuttx/pull/18016) sched/task: MISRA/Coverity cleanups in scheduler, init, libc spawn, and ARMv8-R IRQ helpers
* [#18026](https://github.com/apache/nuttx/pull/18026) sched/hrtimer: add option for list-based hrtimer management
* [#18034](https://github.com/apache/nuttx/pull/18034) sched/environ: add interrupt context check to getenv
* [#18037](https://github.com/apache/nuttx/pull/18037) sched/tls: fix thread ID initialization in tls_dup_info
* [#18038](https://github.com/apache/nuttx/pull/18038) sched/pthread: use spin_lock_irqsave_nopreempt for mutex head lock
* [#18040](https://github.com/apache/nuttx/pull/18040) sched: move process ID from kernel to TLS for faster access
* [#18041](https://github.com/apache/nuttx/pull/18041) sched/pthread: remove duplicate robust mutex checking logic
* [#18047](https://github.com/apache/nuttx/pull/18047) [BUG-FIX] Fix some bug of sched
* [#18066](https://github.com/apache/nuttx/pull/18066) sched/irq: Avoid same static function name in different files
* [#18070](https://github.com/apache/nuttx/pull/18070) sched/signal: fix the occasional issue where SIGCONT was not executed
* [#18072](https://github.com/apache/nuttx/pull/18072) sched/wqueue: add configuring the stack of an hpwork/lpwork as static
* [#18078](https://github.com/apache/nuttx/pull/18078) sched: add configuration to record the busy waiting time
* [#18080](https://github.com/apache/nuttx/pull/18080) sched/sched: Modify the critical section interface name
* [#18084](https://github.com/apache/nuttx/pull/18084) sched/irq: declare the object in scope
* [#18086](https://github.com/apache/nuttx/pull/18086) sched/irq: avoid casting from signed int to unsigned int
* [#18090](https://github.com/apache/nuttx/pull/18090) sched/irq: Every function must have exactly one exit point
* [#18093](https://github.com/apache/nuttx/pull/18093) sched/irq: fix MISRA C problems for irq_chain.c
* [#18098](https://github.com/apache/nuttx/pull/18098) sched/pthread: move pthread mutex from syscall to user-space
* [#18105](https://github.com/apache/nuttx/pull/18105) sched/irq: Change the function parameter "regs" to "context"
* [#18111](https://github.com/apache/nuttx/pull/18111) sched/irq: Avoid directly converting variables of type uintptr_t to void
* [#18114](https://github.com/apache/nuttx/pull/18114) sched: add trace points during system startup and board initialization
* [#18118](https://github.com/apache/nuttx/pull/18118) sched: fix regression and improve NULL pointer safety in task information functions
* [#18122](https://github.com/apache/nuttx/pull/18122) sched/irq: Fix potential deadlock in irqchain_detach
* [#18131](https://github.com/apache/nuttx/pull/18131) sched/hrtimer: Fix functional correctness issues.
* [#18141](https://github.com/apache/nuttx/pull/18141) sched/hrtimer: refresh code comments to match implementation
* [#18160](https://github.com/apache/nuttx/pull/18160) sched/irq: Add architecture-specific IRQ-to-index mapping interface
* [#18174](https://github.com/apache/nuttx/pull/18174) sched/hrtimer: fix hrtimer regression introduced by recent update and add support for tickless with hrtimer
* [#18175](https://github.com/apache/nuttx/pull/18175) sched/irq: functions should have exactly one exit point
* [#18183](https://github.com/apache/nuttx/pull/18183) sched: Remove FS_PROCFS dependency for SCHED_CRITMONITOR
* [#18184](https://github.com/apache/nuttx/pull/18184) sched: Remove legacy sched_resumescheduler.c
* [#18187](https://github.com/apache/nuttx/pull/18187) sched: call spinlock nopreempt when need disable context swi…
* [#18189](https://github.com/apache/nuttx/pull/18189) sched: replace critical section with spinlock
* [#18190](https://github.com/apache/nuttx/pull/18190) sched/irq: Avoid negative array index in irqchain_dispatch
* [#18191](https://github.com/apache/nuttx/pull/18191) sched/irq: Fix type mismatch in irq_dispatch (MISRA C-2012 Rule 10.3)
* [#18192](https://github.com/apache/nuttx/pull/18192) sched/signal: Optimize code logic
* [#18193](https://github.com/apache/nuttx/pull/18193) sched/semaphore: Fix HIS_CALLS metric violation for MISRA compliance
* [#18196](https://github.com/apache/nuttx/pull/18196) sched: Add bounds checking to prevent OVERRUN defect
* [#18197](https://github.com/apache/nuttx/pull/18197) sched: Fix null pointer dereference (FORWARD_NULL defect)
* [#18198](https://github.com/apache/nuttx/pull/18198) sched: Reduce return points in sched_rrgetinterval() for MISRA compliance
* [#18201](https://github.com/apache/nuttx/pull/18201) sched/semaphore: Code quality improvements and MISRA compliance fixes
* [#18202](https://github.com/apache/nuttx/pull/18202) sched: Reduce return statements in sched_get_stackinfo() for MISRA compliance
* [#18203](https://github.com/apache/nuttx/pull/18203) sched/irq: Consolidate IRQ bounds checking into IRQ_TO_NDX macro
* [#18204](https://github.com/apache/nuttx/pull/18204) sched/irq: Avoid out-of-bounds array access
* [#18205](https://github.com/apache/nuttx/pull/18205) sched_setpriority: Consolidate return statements for MISRA HIS compliance
* [#18208](https://github.com/apache/nuttx/pull/18208) sched_setparam: Refactor nxsched_set_param() with helper functions for MISRA HIS compliance
* [#18210](https://github.com/apache/nuttx/pull/18210) sched: Optimize reader-writer semaphore and achieve MISRA HIS goto compliance
* [#18212](https://github.com/apache/nuttx/pull/18212) sched_getfiles: Consolidate return statements in nxsched_get_fdlist_from_tcb() for MISRA HIS compliance
* [#18215](https://github.com/apache/nuttx/pull/18215) sched_profil: Move static variable to block scope for MISRA C 2012 compliance
* [#18216](https://github.com/apache/nuttx/pull/18216) sched: Consolidate return statements for MISRA HIS compliance
* [#18217](https://github.com/apache/nuttx/pull/18217) sched_profil: Consolidate return statements for MISRA HIS compliance
* [#18220](https://github.com/apache/nuttx/pull/18220) sched_sysinfo: Consolidate return statements for MISRA HIS compliance
* [#18221](https://github.com/apache/nuttx/pull/18221) sched_get_stateinfo: Move static array to block scope for MISRA C 2012 Rule 8.9
* [#18223](https://github.com/apache/nuttx/pull/18223) sched_setscheduler: Eliminate goto statements and consolidate returns for MISRA HIS compliance
* [#18224](https://github.com/apache/nuttx/pull/18224) sched/hrtimer: Fix functional correctness issues and improve the performance.
* [#18237](https://github.com/apache/nuttx/pull/18237) sched: Consolidate return statements in sched_critmonitor() for MISRA HIS compliance
* [#18227](https://github.com/apache/nuttx/pull/18227) sched_getscheduler: Consolidate return statements for MISRA HIS compliance
* [#18235](https://github.com/apache/nuttx/pull/18235) sched_waitid: Code quality improvements for HIS compliance and complexity reduction
* [#18239](https://github.com/apache/nuttx/pull/18239) sched_cpuload: Move static wdog to block scope for MISRA C 2012 Rule 8.9
* [#18240](https://github.com/apache/nuttx/pull/18240) sched_sysinfo.c: misra_c_2012_rule_9_1_violation: uninit_use
* [#18241](https://github.com/apache/nuttx/pull/18241) Fix critical SMP scheduler issues with CPU selection and ready-to-run list management
* [#18255](https://github.com/apache/nuttx/pull/18255) sched/semaphore: optimize the source code
* [#18270](https://github.com/apache/nuttx/pull/18270) sched/spinlock: Replace critical_section with spinlock.
* [#18278](https://github.com/apache/nuttx/pull/18278) sched/sched: fix casting issue found by coverity
* [#18284](https://github.com/apache/nuttx/pull/18284) sched/clock: replace atomic operations with sequence lock for tick counter
* [#18306](https://github.com/apache/nuttx/pull/18306) sched: Fix CANCEL_FLAG_* macro definitions MISRA C:2012 Rule 10.4 violations
* [#18307](https://github.com/apache/nuttx/pull/18307) sched/spawn: Fix MISRA C Rule 10.4 violations
* [#18336](https://github.com/apache/nuttx/pull/18336) sched/waitpid: reduce cyclomatic complexity for HIS/MISRA compliance
* [#18338](https://github.com/apache/nuttx/pull/18338) sched/semaphore: Add debug assert to detect mutex recursion.
* [#18376](https://github.com/apache/nuttx/pull/18376) sched/mqueue: Enable receiving messages on an interrupt handler
* [#18437](https://github.com/apache/nuttx/pull/18437) sched/clock: fix CLOCK_BOOTTIME and CLOCK_MONOTONIC handling
* [#18438](https://github.com/apache/nuttx/pull/18438) sched/sched: fix typos and remove unused declarations in sched.h
* [#18444](https://github.com/apache/nuttx/pull/18444) sched/sched: Add nxsched_abstick_sleep() and make nxsched_ticksleep() a wrapper around it
* [#18448](https://github.com/apache/nuttx/pull/18448) sched/misc: fix incorrect mutex holder retrieval in assert backtrace
* [#18450](https://github.com/apache/nuttx/pull/18450) sched/misc: fix potential out-of-bounds access in coredump stack emission
* [#18451](https://github.com/apache/nuttx/pull/18451) sched/misc: fix incomplete data emission in coredump elf_emit function

* [#17439](https://github.com/apache/nuttx/pull/17439) mm/iob: add iob_init method to support external buffer init as iob structure
* [#17537](https://github.com/apache/nuttx/pull/17537) mm/mempool: fix misjudged condition of interrupt memory release
* [#17668](https://github.com/apache/nuttx/pull/17668) mm/iob: limit the alignment length of IOB to no less than sizeof(uinptr_t)
* [#17704](https://github.com/apache/nuttx/pull/17704) mm/iob: update all iob information in the iob_update_pktlen
* [#18042](https://github.com/apache/nuttx/pull/18042) mm/kasan: prevent recursive report overflow
* [#18358](https://github.com/apache/nuttx/pull/18358) mm/mm_gran: fix data truncation on 64-bit systems by using size_t for mask
* [#18445](https://github.com/apache/nuttx/pull/18445) mm/mempool: Optimize undefined behavior in memory pool allocation
* [#18464](https://github.com/apache/nuttx/pull/18464) mm/mempool: fix the entry condition for semaphore during mempool allocation
* [#17538](https://github.com/apache/nuttx/pull/17538) mm: use Kconfig to control sequence number to save memory
* [#18152](https://github.com/apache/nuttx/pull/18152) mm: implement custom umm heap, and enable heap management on the simulator
* [#18427](https://github.com/apache/nuttx/pull/18427) mm: use mm_malloc inside of mm_memalig

* [#17453](https://github.com/apache/nuttx/pull/17453) libs/libc: machine code update
* [#17479](https://github.com/apache/nuttx/pull/17479) libc/machine/xtensa: add mcount implementation for gprof
* [#17533](https://github.com/apache/nuttx/pull/17533) libc/libelf: fix bug for libelf_symname
* [#17534](https://github.com/apache/nuttx/pull/17534) libs/libc/misc: backtrace needs init lock before use
* [#17544](https://github.com/apache/nuttx/pull/17544) libs/libc: use builtin function to optimize string function
* [#17495](https://github.com/apache/nuttx/pull/17495) libs/libc/obstack/lib_obstack_free.c: fix object check within chunk
* [#17502](https://github.com/apache/nuttx/pull/17502) libc: improve libc dependencies in case of LIBM_NONE
* [#17568](https://github.com/apache/nuttx/pull/17568) libc/search: add foreach api for hcreate_data
* [#17571](https://github.com/apache/nuttx/pull/17571) libc/localtime: tz_lock/unlock should not touch tcb except FLAT
* [#17742](https://github.com/apache/nuttx/pull/17742) libc/syslograwstream: Use memrchr to locate the newline character for…
* [#17789](https://github.com/apache/nuttx/pull/17789) libc: Add Kconfig option to disable hex-string to float parsing
* [#17831](https://github.com/apache/nuttx/pull/17831) libs/libc/ftok: fix sizeof(char *), after tempbuffer
* [#17838](https://github.com/apache/nuttx/pull/17838) libcxx: porting libcxx test.
* [#17840](https://github.com/apache/nuttx/pull/17840) libs/libcxx: port for Infineon TASKING compiler.
* [#17841](https://github.com/apache/nuttx/pull/17841) libcxx: supports CXX_MINI_LOCALIZATION
* [#17846](https://github.com/apache/nuttx/pull/17846) libs/libxx: libcxxabi script updates
* [#17862](https://github.com/apache/nuttx/pull/17862) libs/libc: Fix fsetops func signature
* [#17898](https://github.com/apache/nuttx/pull/17898) libc/netdb: avoid unnecessary DNS notify if nameserver exists
* [#17910](https://github.com/apache/nuttx/pull/17910) libc/stdio: fix freopen fd handling and add fdsan support
* [#17936](https://github.com/apache/nuttx/pull/17936) libc: add creat function implementation
* [#17956](https://github.com/apache/nuttx/pull/17956) libs/libc: replace critical section with spinlock in hostname operations
* [#18028](https://github.com/apache/nuttx/pull/18028) libcxx/libstdc++: Add libsupc++.defs to support libsupc++
* [#18046](https://github.com/apache/nuttx/pull/18046) libc/pthread: Avoid compiler optimizations for once_control->done
* [#18058](https://github.com/apache/nuttx/pull/18058) libs/libc/regex: remove logically dead code in regcomp.c
* [#18076](https://github.com/apache/nuttx/pull/18076) libc/spawn: support get/set priority
* [#18018](https://github.com/apache/nuttx/pull/18018) libxx: fix __config_site for libcxx compile errors
* [#17990](https://github.com/apache/nuttx/pull/17990) libs/libxx: change libcxxmini to libminiabi
* [#18019](https://github.com/apache/nuttx/pull/18019) libs/libxx: Add _LIBCPP_HAS_NO_CONTENTION_TABLE to reduce RAM usage
* [#18136](https://github.com/apache/nuttx/pull/18136) libs/libc/pthread: Optimize mutex robustness configuration and remove unnecessary tl_lock
* [#18285](https://github.com/apache/nuttx/pull/18285) libc/tls: update preprocessor condition comment to match implementation
* [#18334](https://github.com/apache/nuttx/pull/18334) libc/string: Add BSD-optimized memset implementation.
* [#18449](https://github.com/apache/nuttx/pull/18449) libs/libc: add configurable skip count for mutex backtrace addresses
* [#17853](https://github.com/apache/nuttx/pull/17853) libs/libs: fix wqueue config typo
* [#18068](https://github.com/apache/nuttx/pull/18068) libs/crc: implement AUTOSAR-compatible CRC algorithm
* [#18151](https://github.com/apache/nuttx/pull/18151) libstdc++: Relocate c++config.h from include/ to libstdc++ to preserv

* [#17525](https://github.com/apache/nuttx/pull/17525) tools/nxtagspkgsfetch.sh: Fetch tags packages for NuttX and Apps.
* [#17874](https://github.com/apache/nuttx/pull/17874) Tools[feat]: Add config change impact simulation tool (checkkconfig) using kconfig-lib
* [#17886](https://github.com/apache/nuttx/pull/17886) tools/abi_check.py: Identify potential ABI incompatibility issues
* [#18035](https://github.com/apache/nuttx/pull/18035) tools/pynuttx/nxgdb: fix semaphore field access in debugging scripts
* [#18124](https://github.com/apache/nuttx/pull/18124) tools/parsetrace.py: Fix get_typesize bug in parsetrace.py
* [#18299](https://github.com/apache/nuttx/pull/18299) tools: fix `make host_info` flag parsing and config string escaping

* [#17444](https://github.com/apache/nuttx/pull/17444) include/string.h: mark memset and memcpy as used_code
* [#17569](https://github.com/apache/nuttx/pull/17569) include/nuttx: Introduce seqlock, a sequential count based read-write lock. 
* [#17575](https://github.com/apache/nuttx/pull/17575) include/nuttx/atomic.h: fix C++ definition conflicts
* [#17851](https://github.com/apache/nuttx/pull/17851) include/sys: extend the IOCTL defintion that compatible with linux kernel
* [#18236](https://github.com/apache/nuttx/pull/18236) include/notifier: fix undefined reference to spin_lock_irqsave_nopreempt
* [#18308](https://github.com/apache/nuttx/pull/18308) include/cxx/cmath: Fix compatibility with external toolchains
* [#18374](https://github.com/apache/nuttx/pull/18374) include/cxx/cmath: Use toolchain <cmath> with toolchain libm

* [#17932](https://github.com/apache/nuttx/pull/17932) crypto: export aes-cbc with 192/256 keysize
* [#17948](https://github.com/apache/nuttx/pull/17948) crypto/cryptodev: fix memory leak when failed to open /dev/crypto
* [#17952](https://github.com/apache/nuttx/pull/17952) Crypto key management with docs
* [#17994](https://github.com/apache/nuttx/pull/17994) crypto/cryptosoft: replace macro howmany with common macro div_round_up
* [#17995](https://github.com/apache/nuttx/pull/17995) crypto/blake2s.h: fix tasking compile warning
* [#17996](https://github.com/apache/nuttx/pull/17996) crypto/siphash: avoid redefine name issue
* [#18064](https://github.com/apache/nuttx/pull/18064) Crypto: export ecc software
* [#18138](https://github.com/apache/nuttx/pull/18138) crypto/cryptosoft: Fix HMAC-SHA when a long key is used
* [#18167](https://github.com/apache/nuttx/pull/18167) crypto: fixes for cryptodev, cryptosoft and RSA export updates
* [#18169](https://github.com/apache/nuttx/pull/18169) crypto: support software key management features (MTD storage, Key Gen)

* [#18364](https://github.com/apache/nuttx/pull/18364) CMake: build implemented for NXP S32K3 Family
* [#17427](https://github.com/apache/nuttx/pull/17427) cmake: Add support for ccache
* [#17550](https://github.com/apache/nuttx/pull/17550) cmake:add lib_psa_set/getstackaddr file to CMakeLists.txt
* [#17558](https://github.com/apache/nuttx/pull/17558) cmake:add missing cflag "-D_FILE_OFFSET_BITS=64" of sim
* [#17579](https://github.com/apache/nuttx/pull/17579) arch/arm: Aligned Cmake with Make
* [#17430](https://github.com/apache/nuttx/pull/17430) boards/arm/stm32l4: CMake added boards Part1
* [#17794](https://github.com/apache/nuttx/pull/17794) fix cmake build
* [#17810](https://github.com/apache/nuttx/pull/17810) arch/arm/xmc4: Aligned Cmake with Make and added XMC4500 and XMC4700 Relax
* [#17852](https://github.com/apache/nuttx/pull/17852) CMake[enhance][debug]: Add target information tracking and dump capability for CMake builds
* [#17857](https://github.com/apache/nuttx/pull/17857) CMake(enhance): Complete defconfig include support with menuconfig writeback capability
* [#17864](https://github.com/apache/nuttx/pull/17864) arch/arm/cmake: fix the gnu-elf.ld handle error at ghs pre-process
* [#17868](https://github.com/apache/nuttx/pull/17868) CMake[bugfix]:Fix incorrect include directory order in CMake application configuration
* [#17908](https://github.com/apache/nuttx/pull/17908) arch/arm/src/am335x: CMake build implemented for TI AM335x Sitara
* [#17922](https://github.com/apache/nuttx/pull/17922) ghs.cmake: add preprocess command to the .ld script generate procedure
* [#17927](https://github.com/apache/nuttx/pull/17927) CMake(feat): Implement CMake ELF Application Build Mode
* [#17968](https://github.com/apache/nuttx/pull/17968) build/cmake: add missing libcxxtoolchain support
* [#18382](https://github.com/apache/nuttx/pull/18382) arm64/chip/imx9: add cmake support, add reboot support
* [#18015](https://github.com/apache/nuttx/pull/18015) libs/libm: cmake fix
* [#18033](https://github.com/apache/nuttx/pull/18033) arch: fix cmake error
* [#18144](https://github.com/apache/nuttx/pull/18144) CMake build implemented for NXP S32K1 Family
* [#18194](https://github.com/apache/nuttx/pull/18194) CMake: Multiple bugfix and optimizations for build system reliability
* [#18390](https://github.com/apache/nuttx/pull/18390) CMake: build implemented for Microchip's SAM3 SAM4 Family
* [#18392](https://github.com/apache/nuttx/pull/18392) CMake: build implemented for Microchip's SAM D/L Family
* [#18400](https://github.com/apache/nuttx/pull/18400) cmake/nuttx_mkconfig: Improve .config comparison logic
* [#18411](https://github.com/apache/nuttx/pull/18411) CMake: build implemented for Microchip's SAM D5x/E5x Family
* [#18413](https://github.com/apache/nuttx/pull/18413) boards/arm/stm32f0l0g0: CMake fix build b-l072z-lrwan1:nxlines_oled
* [#18419](https://github.com/apache/nuttx/pull/18419) CMake: build implemented for STM32 STM32WB Series
* [#18423](https://github.com/apache/nuttx/pull/18423) CMake: build implemented for STM32 STM32L5 Series
* [#18432](https://github.com/apache/nuttx/pull/18432) CMake: build implemented for Allwinner A1X family
* [#18433](https://github.com/apache/nuttx/pull/18433) CMake: build implemented for Quicklogic EOS S3
* [#18440](https://github.com/apache/nuttx/pull/18440) CMake: build implemented for STM32 STM32WL5
* [#18443](https://github.com/apache/nuttx/pull/18443) cmake: bump minimum required CMake version to 3.20
* [#18455](https://github.com/apache/nuttx/pull/18455) arm64/cmake: fix typo in CMAKE_STRIP flag
* [#18466](https://github.com/apache/nuttx/pull/18466) CMake: build implemented for Microchip's SAMA5 Family 

* [#16795](https://github.com/apache/nuttx/pull/16795) arch/sim: save errno in sim context switch to avoid coroutine make errno mess between host api calls.
* [#17011](https://github.com/apache/nuttx/pull/17011) arch: Remove default value for BOARD_LOOPSPERMSEC
* [#17117](https://github.com/apache/nuttx/pull/17117) arch/arm/imxrt: serial registration fixes when no dev console defined
* [#17372](https://github.com/apache/nuttx/pull/17372) arch/arm64: fix create page table err
* [#17377](https://github.com/apache/nuttx/pull/17377) arch/arm64: config irq type
* [#17416](https://github.com/apache/nuttx/pull/17416) arch/arm/stm32h5: Add RS-485 support to serial driver
* [#17420](https://github.com/apache/nuttx/pull/17420) arch/xmc4 : various fixes and clean
* [#17425](https://github.com/apache/nuttx/pull/17425) arch/arm/samv7: allow all values for count in read
* [#17429](https://github.com/apache/nuttx/pull/17429) arch/arm/src/samv7/Kconfig: allow 0 in MCANx_RXFIFOx_SIZE
* [#17442](https://github.com/apache/nuttx/pull/17442) arch/arm/samv7: optimize MCUboot loader configuration
* [#17448](https://github.com/apache/nuttx/pull/17448) arch/armv8-r: use -mfpu=fpv5-sp-d16 for SP-only Cortex-R52 targets
* [#17450](https://github.com/apache/nuttx/pull/17450) arch/crt0.c: revert entry name to `_start`
* [#17454](https://github.com/apache/nuttx/pull/17454) arch/arm/src/kinetis: support RS485 on UART, fix warnings and pin assignment for K60
* [#17484](https://github.com/apache/nuttx/pull/17484) arch/sim: USB host support isochronous transfer endpoint
* [#17486](https://github.com/apache/nuttx/pull/17486) arch/Toolchain.defs: ELF entry for more archs
* [#17507](https://github.com/apache/nuttx/pull/17507) arch/risc-v: add crt0 to LDELFFLAG
* [#17523](https://github.com/apache/nuttx/pull/17523) arch/sim: fix sim spi issue
* [#17542](https://github.com/apache/nuttx/pull/17542) arch/x86_64: fix syscall type mismatch
* [#17549](https://github.com/apache/nuttx/pull/17549) arch/arm: use cfi to debug syscall
* [#17684](https://github.com/apache/nuttx/pull/17684) arch/armv8-m: Fix IRQ number corruption in exception_direct with O2 optimization
* [#17690](https://github.com/apache/nuttx/pull/17690) arch/tricore: enable CONFIG_SYSTEM_TIME64 for TC397
* [#17762](https://github.com/apache/nuttx/pull/17762) arch/risc-v: Fix incompatible pointer types in vector context switching
* [#17767](https://github.com/apache/nuttx/pull/17767) arch/risc-v: Enable VPU initialization for QEMU RV
* [#17788](https://github.com/apache/nuttx/pull/17788) arch/kinetis: Fix S32K3XX regressions caused by refactoring
* [#17795](https://github.com/apache/nuttx/pull/17795) arch/avr/src/avrdx: remove unused variable and update comment
* [#17815](https://github.com/apache/nuttx/pull/17815) arch/arm: fix the error in obtaining  thread pointer after we use `-mtp=soft`
* [#17832](https://github.com/apache/nuttx/pull/17832) arch/arm/samv7: fix incorrect Kconfig SAMV7_EMAC0_RMII dependency
* [#17854](https://github.com/apache/nuttx/pull/17854) arch/arm: add -ffunction-sections and -fdata-sections compile options
* [#17855](https://github.com/apache/nuttx/pull/17855) arch/arm: change ghs vfpv3 to vfpv5 accrding to armv7-m documentation
* [#17856](https://github.com/apache/nuttx/pull/17856) arch/arm: replace the "-Wall" build option with the "-ghstd=last"
* [#17867](https://github.com/apache/nuttx/pull/17867) arch/sim: Refactor Wi-Fi simulation and add Pseudo Mode support
* [#17880](https://github.com/apache/nuttx/pull/17880) arch/x64: Syscall support is enabled by default
* [#17881](https://github.com/apache/nuttx/pull/17881) arch/x64: create qemu chip
* [#17883](https://github.com/apache/nuttx/pull/17883) arch/x86_64/intel64: fix build break for timerisr
* [#17891](https://github.com/apache/nuttx/pull/17891) arch/x64: add acpi procfs and poweroff
* [#17892](https://github.com/apache/nuttx/pull/17892) arch/x64:Fix the abnormal backtrace display issue
* [#17893](https://github.com/apache/nuttx/pull/17893) arch/x64: Fix crash issue after enabling KASAN
* [#17897](https://github.com/apache/nuttx/pull/17897) arch/sim: support SOCK_RAW in host_usrsock_socket
* [#17906](https://github.com/apache/nuttx/pull/17906) arch/arm/imxrt: fix error header guard
* [#17951](https://github.com/apache/nuttx/pull/17951) arch/x86_64: add support for linker map generation
* [#17961](https://github.com/apache/nuttx/pull/17961) arch: move STACK_ALIGNMENT to irq.h
* [#17964](https://github.com/apache/nuttx/pull/17964) arch/imx9: Modify default ddr config handling
* [#17965](https://github.com/apache/nuttx/pull/17965) arch/arm64: disable fork support in protected build mode
* [#17974](https://github.com/apache/nuttx/pull/17974) arch/tricore: support cache function
* [#17975](https://github.com/apache/nuttx/pull/17975) arch/tricore: enhanced irq handling
* [#17984](https://github.com/apache/nuttx/pull/17984) arch: enable ARCH_KERNEL_STACK support in protected builds
* [#17986](https://github.com/apache/nuttx/pull/17986) arch: fix addrenv_switch changing this_task causing exceptions
* [#17988](https://github.com/apache/nuttx/pull/17988) arch/stm32: Fix stm32-capture if timer don't support GTIM_CCER_CC1NP
* [#18006](https://github.com/apache/nuttx/pull/18006) arch: move some macros to public code.
* [#18008](https://github.com/apache/nuttx/pull/18008) arch/x86_64: Add gprof and stack check tool
* [#18010](https://github.com/apache/nuttx/pull/18010) arch/x64:add up_set_irq_type
* [#18020](https://github.com/apache/nuttx/pull/18020) arch/x86_64: fix revoke_low_memory
* [#18021](https://github.com/apache/nuttx/pull/18021) arch/x64: interrupt add CFI info
* [#18022](https://github.com/apache/nuttx/pull/18022) arch/x64: Solve the sig_nest hang issue
* [#18023](https://github.com/apache/nuttx/pull/18023) arch/x86_64i:Fix issue 02 Compile acpidump crash problem
* [#18030](https://github.com/apache/nuttx/pull/18030) arch/arm64: fix mpu_freeregion
* [#18048](https://github.com/apache/nuttx/pull/18048) arch: default enable TLS_ALIGNED when BUILD_PROTECTED=y
* [#18059](https://github.com/apache/nuttx/pull/18059) arch/tricore: disable CPU and system watchdogs during startup
* [#18060](https://github.com/apache/nuttx/pull/18060) arch/tricore: add NMI trap handler (weak)
* [#18065](https://github.com/apache/nuttx/pull/18065) arch/arm: armv8-r PL at startup needs to be checked
* [#18067](https://github.com/apache/nuttx/pull/18067) arch/arm: Add arm memmanage fault skip operation
* [#18079](https://github.com/apache/nuttx/pull/18079) arch/tricore: add tricore mpu driver
* [#18092](https://github.com/apache/nuttx/pull/18092) arch/arm/nrf: fix rtc functions return param
* [#18097](https://github.com/apache/nuttx/pull/18097) arch/xtensa: remove XCHAL_SYSCALL_LEVEL
* [#18099](https://github.com/apache/nuttx/pull/18099) arch/arm: Add the macro definitions for CFI instructions for ghs
* [#18103](https://github.com/apache/nuttx/pull/18103) arch: add stack alignment and size validation for CONFIG_TLS_ALIGNED
* [#18106](https://github.com/apache/nuttx/pull/18106) arch/arm64: fix backtrace return address precision
* [#18117](https://github.com/apache/nuttx/pull/18117) arch/arm/nrf{52|53|91}: fix timer timeout value (overflow issue)
* [#18130](https://github.com/apache/nuttx/pull/18130) arch/x86_64: optimize assembly instructions for size and performance
* [#18140](https://github.com/apache/nuttx/pull/18140) arch/arm/src/imxrt: Fix Ethernet RUNNING status regression
* [#18153](https://github.com/apache/nuttx/pull/18153) arch/arm: systick: fix off-by-one in SysTick RELOAD programming
* [#18157](https://github.com/apache/nuttx/pull/18157) arch/arm64: Enhance MPU infrastructure with unified interface and improved platform flexibility
* [#18158](https://github.com/apache/nuttx/pull/18158) arch/arm64: Enhance MPU with background region and region query interface
* [#18166](https://github.com/apache/nuttx/pull/18166) arch/xtensa/esp32/esp32s2 spi errors
* [#18168](https://github.com/apache/nuttx/pull/18168) arch/stm32: Add counter reset function
* [#18177](https://github.com/apache/nuttx/pull/18177) arch/armv8-r64: userspace PMU access
* [#18186](https://github.com/apache/nuttx/pull/18186) arch/risc-v: fix timer initialization for SMP mode using mtimer
* [#18195](https://github.com/apache/nuttx/pull/18195) arch/xtensa/espressif: ESP32 simpleboot improvements
* [#18214](https://github.com/apache/nuttx/pull/18214) arch/armv7-r: Enable userspace PMU access with performance event support
* [#18229](https://github.com/apache/nuttx/pull/18229) arch/arm: GPIO IMX9 Add support for IRQ line1 and GPIO5
* [#18230](https://github.com/apache/nuttx/pull/18230) arch/arm: LPSPI imx9 add support for 2nd CS
* [#18268](https://github.com/apache/nuttx/pull/18268) arch/x86_64: use pause to reduce power consumption in spin wait loops
* [#18273](https://github.com/apache/nuttx/pull/18273) arch/imx9: Correct CONFIG_IMX9_ENET_PHYINIT flag and imx9_phy_boardinitialize
* [#18277](https://github.com/apache/nuttx/pull/18277) arch/sim: Add sigdelset to nuttx-names.in
* [#18279](https://github.com/apache/nuttx/pull/18279) arch/arm64: Delete the default save for SCTLR and fix the issue of including incorrect order
* [#18296](https://github.com/apache/nuttx/pull/18296) arch/arm/stm32: fix undeclared page variable in flash write
* [#18297](https://github.com/apache/nuttx/pull/18297) arch/xtensa: fix `INT32_C` macro to match `int32_t` type
* [#18298](https://github.com/apache/nuttx/pull/18298) arch/x86_64: replaced loop construct with rep movsb
* [#18300](https://github.com/apache/nuttx/pull/18300) arch/arm/stm32h7: fix sdcan clock, ILS register and ID
* [#18303](https://github.com/apache/nuttx/pull/18303) arch/x86: fixed errors in gdt_flush and idt_flush
* [#18349](https://github.com/apache/nuttx/pull/18349) arch/risc-v: Fix page table traversal for SV39
* [#18381](https://github.com/apache/nuttx/pull/18381) arch/tricore: initialize spinlock used by tricore systimer
* [#18403](https://github.com/apache/nuttx/pull/18403) arch/arm64/Imx9: usdhc improvements
* [#18409](https://github.com/apache/nuttx/pull/18409) arch/arm64/imx9: Add enet MII clock calculation
* [#18418](https://github.com/apache/nuttx/pull/18418) arch/arm: remove all "select ARMV8M_HAVE_STACKCHECK".
* [#18429](https://github.com/apache/nuttx/pull/18429) arch/risc-v/espressif: Fix SHA errors
* [#18452](https://github.com/apache/nuttx/pull/18452) arch/sim: fix X11 framebuffer window not visible in POSIX simulator
* [#18453](https://github.com/apache/nuttx/pull/18453) arch/sim: fix incomplete HCI socket data reading in simulator interrupt handler
* [#18457](https://github.com/apache/nuttx/pull/18457) arch/arm: Add necessary conversion between tick and usec in systick_interrupt
* [#18461](https://github.com/apache/nuttx/pull/18461) arch/[risc-v|xtensa]/src/common: Create SoC-specific initialization routine
* [#18462](https://github.com/apache/nuttx/pull/18462) arch/xtensa/esp32: Fix buffer overflow in SPI poll exchange

* [#16925](https://github.com/apache/nuttx/pull/16925) drivers/timers/capture: fix typo in capture.h
* [#17373](https://github.com/apache/nuttx/pull/17373) drivers/pci: Calculate PCI bar size use mask 0xffffffff
* [#17375](https://github.com/apache/nuttx/pull/17375) drivers/pci: calculate bar size
* [#17376](https://github.com/apache/nuttx/pull/17376) drivers/eeprom: Support PE/SE/CE commands
* [#17379](https://github.com/apache/nuttx/pull/17379) drivers/pci: write legacy num to config sapce when enable legacy irq
* [#17426](https://github.com/apache/nuttx/pull/17426) drivers/lcd/st7789.c: fix byte order in st7789_fill for 3 wires
* [#17433](https://github.com/apache/nuttx/pull/17433) drivers/usbdev: fix cdcecm netdev can not enter running state
* [#17441](https://github.com/apache/nuttx/pull/17441) drivers/can/can.c: fix broken O_NONBLOCK
* [#17446](https://github.com/apache/nuttx/pull/17446) drivers/lpwan: Fix Kconfig SX1276 and SX1262 position
* [#17455](https://github.com/apache/nuttx/pull/17455) note/drivers: Get taskname more safely.
* [#17456](https://github.com/apache/nuttx/pull/17456) drivers/i3c: Revert "drivers/i3c: remove extra i3c_dev_register, do_daa has created them"
* [#17464](https://github.com/apache/nuttx/pull/17464) drivers/mmcsd: Aligned Cmake with Make
* [#17470](https://github.com/apache/nuttx/pull/17470) drivers/rpmsgdev: server functions enhanced
* [#17491](https://github.com/apache/nuttx/pull/17491) drivers/usbhost: improve usbhost hid kbd
* [#17498](https://github.com/apache/nuttx/pull/17498) drivers/timers/ptp: support ptp clock driver model，CLOCKFD and clock adjtime/settime/gettime for ptp device
* [#17501](https://github.com/apache/nuttx/pull/17501) drivers/battery: fix event lost before service open
* [#17510](https://github.com/apache/nuttx/pull/17510) drivers/ioexpander: add debounce and interrupt mask functions
* [#17512](https://github.com/apache/nuttx/pull/17512) drivers/sensors/goldfish: support more sensors
* [#17528](https://github.com/apache/nuttx/pull/17528) drivers/input: Adds a small extension to the Force Feedback (FF) input subsystem 
* [#17529](https://github.com/apache/nuttx/pull/17529) drivers/virtio: Fix DRIVERS_VIRTIO_INPUT configuration dependencies
* [#17530](https://github.com/apache/nuttx/pull/17530) drivers: replace critical_section with spinlock
* [#17531](https://github.com/apache/nuttx/pull/17531) drivers/timers: A small improvements in the drivers/timers subsystem
* [#17540](https://github.com/apache/nuttx/pull/17540) drivers/timers: fix rtc_time struct
* [#17541](https://github.com/apache/nuttx/pull/17541) drivers/virtio: if in assert, don't wait semaphore
* [#17552](https://github.com/apache/nuttx/pull/17552) drivers/mtd: Add W25N SPI NAND flash driver
* [#17554](https://github.com/apache/nuttx/pull/17554) drivers/rpmsg: Add rpmsg_get_signals API and rpmsg transport ops support
* [#17586](https://github.com/apache/nuttx/pull/17586) drivers/net: fix "wapi save_config" and "wapi reconnect" commands
* [#17597](https://github.com/apache/nuttx/pull/17597) drivers/net: setting loopback network driver sending task to the HPWORK queue
* [#17604](https://github.com/apache/nuttx/pull/17604) drivers/mtd: add MTDIOC_ISBAD ioctl
* [#17746](https://github.com/apache/nuttx/pull/17746) drivers/i2c: add ioexpander-based lower-half implementation for I2C bit-bang
* [#17747](https://github.com/apache/nuttx/pull/17747) drivers/capture: add signal notification support and fake capture driver
* [#17752](https://github.com/apache/nuttx/pull/17752) drivers/sensors: add a dynamic sensor debugging tool sensor_monitor
* [#17760](https://github.com/apache/nuttx/pull/17760) drivers/rpmsg: port spi add debug log, low power feature and bug fixs
* [#17763](https://github.com/apache/nuttx/pull/17763) drivers/sx127x: Add support to different bitrate and RX timeout
* [#17764](https://github.com/apache/nuttx/pull/17764) drivers/adc: Use mutexlock to replace critical section protection
* [#17769](https://github.com/apache/nuttx/pull/17769) drivers/sensors: update upper->parsebuffer every new line
* [#17772](https://github.com/apache/nuttx/pull/17772) drivers/sensors: fix mpu9250 register function comments
* [#17776](https://github.com/apache/nuttx/pull/17776) drivers/pty: fix memory leak when pty_destroy
* [#17778](https://github.com/apache/nuttx/pull/17778) drivers/rpmsg: router double free and reconnect related bugs fix
* [#17782](https://github.com/apache/nuttx/pull/17782) drivers/usrsock: replace net_lock with conn_lock
* [#17783](https://github.com/apache/nuttx/pull/17783) drivers/Rpmsg: fix rpmsg dead lock and ns bind race condition problem
* [#17787](https://github.com/apache/nuttx/pull/17787) drivers/rptun: fix rptun stop related deadlock and crash bugs
* [#17797](https://github.com/apache/nuttx/pull/17797) drivers/can:  replace critical-section mutex with spinlock
* [#17802](https://github.com/apache/nuttx/pull/17802) drivers/virtio-gpu: Avoid calling free in IRQ
* [#17805](https://github.com/apache/nuttx/pull/17805) drivers/net/e1000|igc.c: add PIDVID of NIC
* [#17813](https://github.com/apache/nuttx/pull/17813) drivers/ioexpander: add enable & disable macro for gpio SETDEBOUNCE and SETMASK
* [#17814](https://github.com/apache/nuttx/pull/17814) drivers/sensors: add get_info interface for gnss_uorb
* [#17816](https://github.com/apache/nuttx/pull/17816) drivers/rptun: refactor rptun to decoupling the rptun and rpmsg virtio, make rptun can work with any virtio devices
* [#17824](https://github.com/apache/nuttx/pull/17824) drivers/sensors: sensor bug fix - part 1
* [#17833](https://github.com/apache/nuttx/pull/17833) drivers/net: fix igc build error
* [#17837](https://github.com/apache/nuttx/pull/17837) drivers/sensors: add a new sensor type ENG
* [#17842](https://github.com/apache/nuttx/pull/17842) drivers/net/rpmsgdrv.c: add bidirectional data netdev support
* [#17845](https://github.com/apache/nuttx/pull/17845) drivers/mtd: Optimizations for RRAM/MRAM Compatibility and Erase Logic Robustness
* [#17870](https://github.com/apache/nuttx/pull/17870) drivers/net: Fix crash in wifi_sim disconnect.
* [#17871](https://github.com/apache/nuttx/pull/17871) drivers/virtio: Use arc4random_buf to generate MAC address.
* [#17872](https://github.com/apache/nuttx/pull/17872) drivers/sensors/fakesensor: Remove GNSS dependency
* [#17923](https://github.com/apache/nuttx/pull/17923) drivers/timers: check CONFIG_BOARD_LOOPSPERMSEC != 0 at runtime
* [#17928](https://github.com/apache/nuttx/pull/17928) drivers/can: repair compiler error
* [#17942](https://github.com/apache/nuttx/pull/17942) drivers/mmcsd: fix typo, it should be "Byte" by spec
* [#17949](https://github.com/apache/nuttx/pull/17949) drivers/misc/optee: add missing addrenv header include
* [#17989](https://github.com/apache/nuttx/pull/17989) drivers/usbhost_hidkbd: Fix small typo in usbhost_hidkbd.c
* [#18005](https://github.com/apache/nuttx/pull/18005) drivers/rpmsg: remove unnecessary header files, revise make.def and cmake file
* [#18014](https://github.com/apache/nuttx/pull/18014) drivers/serial/Kconfig-16550: fix non-existent option
* [#18036](https://github.com/apache/nuttx/pull/18036) drivers/rpmsg: use nuttx/atomic.h instead metal/atomic.h
* [#18061](https://github.com/apache/nuttx/pull/18061) drivers/pipe: fix POLLHUP handling in poll()
* [#18073](https://github.com/apache/nuttx/pull/18073) drivers/sensors  optimizes the sensor rpmsg driver proxy waiting mechanism to improve reliability. part 2
* [#18081](https://github.com/apache/nuttx/pull/18081) drivers/analog/mcp47x6: fix configuration command
* [#18085](https://github.com/apache/nuttx/pull/18085) drivers/rpmsg_router: multiple fixes and improvements for multi-core stability
* [#18091](https://github.com/apache/nuttx/pull/18091) drivers/mtd: add nvs cache buffer
* [#18095](https://github.com/apache/nuttx/pull/18095) drivers/mtd: support ram_mtdconfig device && lomtdconfig device
* [#18100](https://github.com/apache/nuttx/pull/18100) drivers/net/slip: set serial port to raw mode to prevent character escaping
* [#18102](https://github.com/apache/nuttx/pull/18102) drivers/sensors: fix sensor deadlock. part 3
* [#18108](https://github.com/apache/nuttx/pull/18108) drivers/rpmsg: unify cpuname handling and fix pm wakelock initialization
* [#18116](https://github.com/apache/nuttx/pull/18116) drivers/serial: Fix SIGINT not delivered to foreground process on Ctrl-C
* [#18125](https://github.com/apache/nuttx/pull/18125) drivers/usbdev: fix rndis net link status can't update timely issue
* [#18134](https://github.com/apache/nuttx/pull/18134) drivers/sensors: Add non-wakeup mode support and optimize RPMSG communication part 4.
* [#18156](https://github.com/apache/nuttx/pull/18156) drivers/rpmsg: fix struct alignment issue by removing flexible array member
* [#18159](https://github.com/apache/nuttx/pull/18159) drivers/rpmsg_port_spi: add PM support and stability improvements
* [#18163](https://github.com/apache/nuttx/pull/18163) drivers/rpmsg_port_uart: Improvements and bug fixes for stability and power management
* [#18164](https://github.com/apache/nuttx/pull/18164) drivers/sensors/dhtxx: Fix read return values to be POSIX compliant
* [#18165](https://github.com/apache/nuttx/pull/18165) drivers/rpmsg: refactor internal APIs to private header
* [#18180](https://github.com/apache/nuttx/pull/18180) drivers/sensors: Remove the uncalibrated member of the sensor lowerhalf layer part 5
* [#18209](https://github.com/apache/nuttx/pull/18209) drivers/sensors: sensor bug fix. part 6
* [#18231](https://github.com/apache/nuttx/pull/18231) drivers/serial: fix crash when buffer is full and only recvbuf is imp…
* [#18246](https://github.com/apache/nuttx/pull/18246) drivers/ioexapnder/mcp23x17 : Fix write gpio output values on OLAT registers
* [#18248](https://github.com/apache/nuttx/pull/18248) drivers/rpmsg: support release the rx buffer early in endpoint callback
* [#18250](https://github.com/apache/nuttx/pull/18250) drivers/timers: add timer driver implemented by watchdog
* [#18256](https://github.com/apache/nuttx/pull/18256) drivers/sensors: add sensor monitor debug log. part 7
* [#18261](https://github.com/apache/nuttx/pull/18261) drivers/sensors/gnss: Add monitor logs for activation
* [#18265](https://github.com/apache/nuttx/pull/18265) drivers/virtio: virtio config space size-matched read operations
* [#18286](https://github.com/apache/nuttx/pull/18286) drivers/analog: fix adc ads1115 driver
* [#18289](https://github.com/apache/nuttx/pull/18289) drivers/vhost: Improvements and fixes for vhost framework
* [#18290](https://github.com/apache/nuttx/pull/18290) drivers/virtio: use virtqueue_nused() to check pending buffers
* [#18291](https://github.com/apache/nuttx/pull/18291) drivers/virtio: fix the minor code style in virtio.c
* [#18294](https://github.com/apache/nuttx/pull/18294) drivers/rpmsg: add timestamp support for rpmsg buffer latency measurement
* [#18301](https://github.com/apache/nuttx/pull/18301) drivers/lcd: Add ST7796 TFT LCD framebuffer driver
* [#18304](https://github.com/apache/nuttx/pull/18304) drivers/power/pm: Fix typos in comments
* [#18361](https://github.com/apache/nuttx/pull/18361) drivers/usbdev: Fix usbmsc_unbind() function for USB composite device
* [#18372](https://github.com/apache/nuttx/pull/18372) drivers/note: noteram ioctl FIONBIO should return -ENOTTY
* [#18410](https://github.com/apache/nuttx/pull/18410) drivers/serial/uart: implement uart rpmsg linux conterpart
* [#18435](https://github.com/apache/nuttx/pull/18435) drivers/sensors: Legacy sensor warning
* [#18446](https://github.com/apache/nuttx/pull/18446) drivers/serial: add common Xilinx UART Peripheral System (XUARTPS) support
* [#18454](https://github.com/apache/nuttx/pull/18454) drivers/syslog: add millisecond option for syslog timestamp formatting'
* [#17460](https://github.com/apache/nuttx/pull/17460) driver/usbhost: Support obtaining USB3.0 device descriptors
* [#17487](https://github.com/apache/nuttx/pull/17487) power/battery: battery gauge driver support
* [#17557](https://github.com/apache/nuttx/pull/17557) driver/note: make SIZEOF_NOTE_START return the right size
* [#17744](https://github.com/apache/nuttx/pull/17744) driver/cfi: fix write failed issue for unalign length with bankwidth
* [#17774](https://github.com/apache/nuttx/pull/17774) can: fix can driver error about hdr is not initilized
* [#17866](https://github.com/apache/nuttx/pull/17866) driver/cfi-flash: Add a config option for the page size of CFI flash.
* [#17979](https://github.com/apache/nuttx/pull/17979) crypto/cryptodev: support private data in driver
* [#18029](https://github.com/apache/nuttx/pull/18029) crypto/cryptodev: optimize driver
* [#18121](https://github.com/apache/nuttx/pull/18121) driver/note: Support poll threshold
* [#18123](https://github.com/apache/nuttx/pull/18123) driver/note: Add tag to note_event_s and note_printf_s
* [#18127](https://github.com/apache/nuttx/pull/18127) driver/syslog: Implement the rate limiting function for ramlog driver.
* [#18128](https://github.com/apache/nuttx/pull/18128) driver/note: Fix compilation error when CONFIG_SYSLOG_TO_SCHED_NOTE=y
* [#18280](https://github.com/apache/nuttx/pull/18280) driver/virtio: Delete reset on initialization
* [#18368](https://github.com/apache/nuttx/pull/18368) driver/input: Add keyboard matrix driver to read matrix keyboard using polling way.
* [#18370](https://github.com/apache/nuttx/pull/18370) video/sim_camera: Improve camera driver behavior and simulator camera coverage.

* [#18460](https://github.com/apache/nuttx/pull/18460) Introduce i.MX93 (M33) and IMX93-QSB board support

* [#17397](https://github.com/apache/nuttx/pull/17397) boards/nucleo-h743zi: modify the romfs img file path
* [#17471](https://github.com/apache/nuttx/pull/17471) boards/defconfig: enable CONFIG_SCHED_CHILD_STATUS
* [#17477](https://github.com/apache/nuttx/pull/17477) boards/risc-v/esp32c3: Corrected the names of #include guards
* [#17532](https://github.com/apache/nuttx/pull/17532) boards/risc-v: Add lvgl64_vector configuration for RISC-V QEMU
* [#17547](https://github.com/apache/nuttx/pull/17547) boards/arm/mps3-an547: enable protected mode support
* [#17560](https://github.com/apache/nuttx/pull/17560) boards/nucleo-g431rb/qenco: reduce FLASH
* [#17562](https://github.com/apache/nuttx/pull/17562) boards/nucleo-f446re: disable OSTEST in some configs
* [#17563](https://github.com/apache/nuttx/pull/17563) boards/qemu-intel64/jumbo: enable more network tools 
* [#17566](https://github.com/apache/nuttx/pull/17566) boards/risc-v/esp32c3: add Waveshare ESP32-C3-Zero
* [#17572](https://github.com/apache/nuttx/pull/17572) boards/esp32s3/lckfb-szpi: Add QMI8658 6-axis IMU sensor support
* [#17574](https://github.com/apache/nuttx/pull/17574) boards/esp32: Add initial support to Heltec WiFi LoRa32
* [#17576](https://github.com/apache/nuttx/pull/17576) boards/leds: remove dependency on leds example for some boards
* [#17577](https://github.com/apache/nuttx/pull/17577) boards/nucleo-c0xxx: fix leds handling
* [#17581](https://github.com/apache/nuttx/pull/17581) boards/esp32/heltec_wifi_lora32: Add support to SX1276 transceiver
* [#17738](https://github.com/apache/nuttx/pull/17738) boards/{nrf53|stm32h7}: mark shmem region as NOLOAD
* [#17751](https://github.com/apache/nuttx/pull/17751) board/lm3s6432-s2e/nsh: disable LIBC_LONG_LONG to fix ci bb
* [#17771](https://github.com/apache/nuttx/pull/17771) boards/raspberrypi-4b: Add testing configurations
* [#17879](https://github.com/apache/nuttx/pull/17879) boards/arm/kinetis: fix freeform-k28f usbhshost undeclared 'errcode'
* [#17911](https://github.com/apache/nuttx/pull/17911) boards/esp32c3-xiao: Fix ble configuration crash
* [#17945](https://github.com/apache/nuttx/pull/17945) boards/stm32f103-minimum: Add GPIO in/out/int define
* [#18013](https://github.com/apache/nuttx/pull/18013) boards/qemu-intel64/jumbo: enable procfs ACPI
* [#18025](https://github.com/apache/nuttx/pull/18025) boards/smartl-c906: enable hrtimer ostest in CI
* [#18031](https://github.com/apache/nuttx/pull/18031) boards/boardctl: Add BOARDCTL_MACADDR command
* [#18032](https://github.com/apache/nuttx/pull/18032) boards/xtensa/esp32: add rtc_reserved_seg to legacy_sections
* [#18054](https://github.com/apache/nuttx/pull/18054) boards/nrf53: correct rptun names
* [#18094](https://github.com/apache/nuttx/pull/18094) boards/sim: Fix watchdog callback
* [#18132](https://github.com/apache/nuttx/pull/18132) boards/sim: enable list-based hrtimer in CI ostest
* [#18146](https://github.com/apache/nuttx/pull/18146) boards/boardctl: use spinlock IRQ-safe interfaces for consistency
* [#18154](https://github.com/apache/nuttx/pull/18154) boards/xtensa: fixes for build and start-up issues when legacy boot enabled 
* [#18206](https://github.com/apache/nuttx/pull/18206) board: enable hritmer (RB-tree and list implementation) CITEST on arm and riscv board
* [#18251](https://github.com/apache/nuttx/pull/18251) boards/sim/crypto: enable cmocka testing framework
* [#18283](https://github.com/apache/nuttx/pull/18283) boards/boardctl: BOARDIOC_SPINLOCK missing some Conditional branch
* [#18310](https://github.com/apache/nuttx/pull/18310) boards/risc-v/esp32c6: Add missing config for esp32c6 romfs
* [#18355](https://github.com/apache/nuttx/pull/18355) boards/imx95-evk: enable mpu by default
* [#18363](https://github.com/apache/nuttx/pull/18363) boards/arm: add nxp mr-navq95b support
* [#18406](https://github.com/apache/nuttx/pull/18406) boards/xtensa/esp32: add three missing defconfigs
* [#18416](https://github.com/apache/nuttx/pull/18416) boards/xtensa/esp32s2: add efuse defconfig
* [#18420](https://github.com/apache/nuttx/pull/18420) boards/stm32h7: Add button support to nucleo-h743zi2
* [#18459](https://github.com/apache/nuttx/pull/18459) boards/esp32c3-xiao: Add NimBLE example configuration

* [#17488](https://github.com/apache/nuttx/pull/17488) fs/romfs: revert the romfs write feature
* [#17500](https://github.com/apache/nuttx/pull/17500) fs/vfs: fix poll covertify issue about out-of-bound access fds
* [#17539](https://github.com/apache/nuttx/pull/17539) fs/mqueue: fix msgq memleak
* [#17548](https://github.com/apache/nuttx/pull/17548) fs/procfs: bugfix in heapcheck, avoid '\n' to 0
* [#17559](https://github.com/apache/nuttx/pull/17559) fs/tmpfs: fix memoryleak of tmpfs_opendir
* [#17706](https://github.com/apache/nuttx/pull/17706) littlefs: fix statfs underflow during active writes
* [#17731](https://github.com/apache/nuttx/pull/17731) fs/inode: bug fix about fdlist_extend, fdlist_install and eventfd/timerfd_blocking_io
* [#17740](https://github.com/apache/nuttx/pull/17740) fs/mqueue: fix inverted 'created' flag in file_mq_vopen
* [#17741](https://github.com/apache/nuttx/pull/17741) fs/epoll: release refs count and add TLS cleanup handler to release epoll fd reference on thread exit
* [#17748](https://github.com/apache/nuttx/pull/17748) fs/file: add reference count protection for stack-allocated file structures
* [#17513](https://github.com/apache/nuttx/pull/17513) bugfix/fs:write Bad buf addr should return EINVAL
* [#17811](https://github.com/apache/nuttx/pull/17811) fs/inode: using file_allocate and file_dup to avoid racecondition to allocate new fd
* [#17821](https://github.com/apache/nuttx/pull/17821) fs/userfs: keep mutex while reading iobuffer
* [#17839](https://github.com/apache/nuttx/pull/17839) fs/driver: Replace heap allocation of temporary device names
* [#18001](https://github.com/apache/nuttx/pull/18001) fs: add fs dump in ROMFS/LITTLEFS
* [#18062](https://github.com/apache/nuttx/pull/18062) fs: Fix the incorrect return value of the lseek interface.
* [#18107](https://github.com/apache/nuttx/pull/18107) fs/fat: add support for FIOC_FILEPATH ioctl
* [#18200](https://github.com/apache/nuttx/pull/18200) fs: fix inode information update outside of lock in SMP scene
* [#18238](https://github.com/apache/nuttx/pull/18238) fs/timerfd: implement TFD_TIMER_CANCEL_ON_SET to detect clock changes

* [#16940](https://github.com/apache/nuttx/pull/16940) net: Hardware Checksum Offload Support for NuttX Network Stack
* [#17431](https://github.com/apache/nuttx/pull/17431) net/pkt: Add some feature support
* [#17435](https://github.com/apache/nuttx/pull/17435) net/can: add write buffer to support nonblock send
* [#17436](https://github.com/apache/nuttx/pull/17436) net/netdev/netdev_register.c: skip mld_devinit if Nic can not support mld
* [#17440](https://github.com/apache/nuttx/pull/17440) net/utils/net_bufpool: add lock to struct net_bufpool_s and bufpool_navail
* [#17451](https://github.com/apache/nuttx/pull/17451) net: replace critical_section with spinlock
* [#17452](https://github.com/apache/nuttx/pull/17452) net: add vlan support
* [#17465](https://github.com/apache/nuttx/pull/17465) netdev_upperhalf: convert Kconfig to variable
* [#17483](https://github.com/apache/nuttx/pull/17483) net/pkt: add SOCK_DGRAM support
* [#17519](https://github.com/apache/nuttx/pull/17519) net: Check listening connections when selecting ports
* [#17520](https://github.com/apache/nuttx/pull/17520) net/pkt: Fixed error handling for unsupported types
* [#17521](https://github.com/apache/nuttx/pull/17521) net/socket: Fixed network card name does not end with \0 when binding the device issue
* [#17526](https://github.com/apache/nuttx/pull/17526) net/tcp: modify txavail to be sent directly in the current thread
* [#17551](https://github.com/apache/nuttx/pull/17551) net/packet: add PACKET_<ADD|DROP>_MEMBERSHIP support
* [#17553](https://github.com/apache/nuttx/pull/17553) net/netlink: add RT_TABLE_LOCAL definition for mqttc5 build
* [#17555](https://github.com/apache/nuttx/pull/17555) net/tcp: add TCP_CORK definition
* [#17585](https://github.com/apache/nuttx/pull/17585) net/netdev: allow stack to send/receive when running
* [#17587](https://github.com/apache/nuttx/pull/17587) net/igmp: mod check of IGMP_SCHEDMSG from assert to error log
* [#17588](https://github.com/apache/nuttx/pull/17588) net/tcp: modify the return value when dev is down in tcp_pollsetup
* [#17589](https://github.com/apache/nuttx/pull/17589) net: update check condition from IFF_UP  to IFF_RUNNING in the network sending process
* [#17590](https://github.com/apache/nuttx/pull/17590) net/tcp: resolve reconnection issues when connection failed due to rejection
* [#17603](https://github.com/apache/nuttx/pull/17603) net/tcp: improve TCP retransmission mechanisms for better reliability
* [#17607](https://github.com/apache/nuttx/pull/17607) net/pkt: fix DHCP transmission failure by updating d_sndlen/d_len lengths
* [#17652](https://github.com/apache/nuttx/pull/17652) net/wireless: fix compile warning issue for wireless
* [#17655](https://github.com/apache/nuttx/pull/17655) netpkt: Introduction to using netpkt example
* [#17656](https://github.com/apache/nuttx/pull/17656) net/ethernet: ARP can be configured on interface
* [#17657](https://github.com/apache/nuttx/pull/17657) netlib: Introduction to IP conflict detection functions
* [#17658](https://github.com/apache/nuttx/pull/17658) net/icmp: check the checksum field when receive icmp message
* [#17659](https://github.com/apache/nuttx/pull/17659) net/ethernet: remove no use remove excess code
* [#17660](https://github.com/apache/nuttx/pull/17660) netdev_upperhalf: add direct rx mode
* [#17661](https://github.com/apache/nuttx/pull/17661) net/can: fix the typo and compile error
* [#17662](https://github.com/apache/nuttx/pull/17662) net/icmp: Return -ENOPROTOOPT for SOL_SOCKET to avoid misleading logs
* [#17663](https://github.com/apache/nuttx/pull/17663) net/net_initialize: remove the empty functions that are not needed
* [#17667](https://github.com/apache/nuttx/pull/17667) net/can: can protocol uses a separate buffer to cache can data
* [#17669](https://github.com/apache/nuttx/pull/17669) netlib: Add IOB statistics interface description
* [#17672](https://github.com/apache/nuttx/pull/17672) net/ipfrag: fix ip fragment assert when iob not enough
* [#17673](https://github.com/apache/nuttx/pull/17673) net/bufpool: fix typo
* [#17674](https://github.com/apache/nuttx/pull/17674) net/icmp: check src ip for icmp request message
* [#17676](https://github.com/apache/nuttx/pull/17676) net/tcp: add kconfig to support retransmission at a fixed time
* [#17677](https://github.com/apache/nuttx/pull/17677) net/vlan: add some macro for vlan
* [#17678](https://github.com/apache/nuttx/pull/17678) net/tcp: add support for the CLOSE_WAIT state
* [#17679](https://github.com/apache/nuttx/pull/17679) nuttx/net: Expose the net_ipv6addr_maskcmp interface to user-mode calls
* [#17686](https://github.com/apache/nuttx/pull/17686) net/ipv4: Send ICMP Destination Unreachable for unknown protocol
* [#17687](https://github.com/apache/nuttx/pull/17687) net/ipv4: Drop a ipv4 packet with total length bigger than the actual transmitted data
* [#17688](https://github.com/apache/nuttx/pull/17688) net/arp: support ARP entry learned on gratuitous ARP response
* [#17689](https://github.com/apache/nuttx/pull/17689) net/icmp: Support icmp timestamp request
* [#17691](https://github.com/apache/nuttx/pull/17691) net/tcp:  tcp header seq check
* [#17692](https://github.com/apache/nuttx/pull/17692) net: decouple the impact of net_lock between network cards
* [#17693](https://github.com/apache/nuttx/pull/17693) net/ethernet: fix  compilation issues for inet_sockif.c
* [#17695](https://github.com/apache/nuttx/pull/17695) net/vlan: make a judgment before calling fuction
* [#17698](https://github.com/apache/nuttx/pull/17698) net/udp: Validate UDP length field against actual packet size
* [#17699](https://github.com/apache/nuttx/pull/17699) net/udp: Support zero-length UDP datagrams
* [#17700](https://github.com/apache/nuttx/pull/17700) net/ethernet: change struct ifreq to consistent with Linux
* [#17701](https://github.com/apache/nuttx/pull/17701) net/devif: fix poll issue when ifdown
* [#17702](https://github.com/apache/nuttx/pull/17702) net/arp: dont learn arp information if interface is noarp
* [#17705](https://github.com/apache/nuttx/pull/17705) net/ioctl: add a socket interface for ioctl
* [#17707](https://github.com/apache/nuttx/pull/17707) net/tcp: support recv packet in the TCP_FIN_WAIT_1/2 state
* [#17709](https://github.com/apache/nuttx/pull/17709) net/tcp: remove SYN_RCVD state conn by listener created when free listener
* [#17710](https://github.com/apache/nuttx/pull/17710) net/tcp: send reset when retransmitted number greater than TCP_MAXRTX
* [#17711](https://github.com/apache/nuttx/pull/17711) net/tcp: support OTW ack seq check
* [#17712](https://github.com/apache/nuttx/pull/17712) net/arp: support arp request limit
* [#17713](https://github.com/apache/nuttx/pull/17713) net/tcp: discard fin packet in LISTEN state
* [#17714](https://github.com/apache/nuttx/pull/17714) net/tcp: fix tcp conn lock leak when port in use in tcp_selectport
* [#17715](https://github.com/apache/nuttx/pull/17715) net/tcp: fix conn->work use after free in worker queue list
* [#17716](https://github.com/apache/nuttx/pull/17716) net/ipv6: Drop IP packet shorter than length in IP header
* [#17729](https://github.com/apache/nuttx/pull/17729) net/arp: Skip ARP request if ip address is invalid
* [#17730](https://github.com/apache/nuttx/pull/17730) net/neighbor: Skip Neighbor request if ip address is invalid at ipv6
* [#17732](https://github.com/apache/nuttx/pull/17732) net/netlink: replace net_lock with netlink_lock
* [#17733](https://github.com/apache/nuttx/pull/17733) net/local: replace net_lock with local_lock
* [#17734](https://github.com/apache/nuttx/pull/17734) net/usrsock: replace net_lock with usrsock_lock
* [#17735](https://github.com/apache/nuttx/pull/17735) net_sockif.c: add ip level s|getsockopt support in SOCK_CTRL
* [#17743](https://github.com/apache/nuttx/pull/17743) net/can: fix poll setup to properly find and use free pollfd slots
* [#17745](https://github.com/apache/nuttx/pull/17745) net/local: simplify file descriptor passing using shared filep references
* [#17754](https://github.com/apache/nuttx/pull/17754) net/devif_poll: only call the corresponding xxx_poll when there is data to be sent
* [#17775](https://github.com/apache/nuttx/pull/17775) net can: modify the return value of can_datahandler API.
* [#17785](https://github.com/apache/nuttx/pull/17785) net/udp: fix udp message cannot be sent to the network card
* [#17806](https://github.com/apache/nuttx/pull/17806) net/netdev: Fix best prefix in findby
* [#17819](https://github.com/apache/nuttx/pull/17819) net/route: need clear old cached route info when do reset cache
* [#17858](https://github.com/apache/nuttx/pull/17858) net: make the sendmsg param type consistent with posix specification
* [#17869](https://github.com/apache/nuttx/pull/17869) net/icmpv6: fix crash when ipv6 address modified during autoconfig
* [#17877](https://github.com/apache/nuttx/pull/17877) net/usrsock: Fix EPIPE loop by clearing POLLIN on remote close
* [#17878](https://github.com/apache/nuttx/pull/17878) net: Support no-lto option for the network build.
* [#17887](https://github.com/apache/nuttx/pull/17887) netinet/in.h: Rename imr_interface to imr_address in struct ip_mreqn.
* [#17890](https://github.com/apache/nuttx/pull/17890) net/icmp: Fix devif_loopback dead loop when unrecognized ICMP packet
* [#17895](https://github.com/apache/nuttx/pull/17895) net/route/ramroute: replace prealloc with netpool
* [#17896](https://github.com/apache/nuttx/pull/17896) net/neighbor: fix compilation with CONFIG_NET_ICMPv6_NO_STACK
* [#17907](https://github.com/apache/nuttx/pull/17907) net/can: allow errmask to be set to CAN_ERR_FLAG
* [#17917](https://github.com/apache/nuttx/pull/17917) net/ipv4: check whether the length of the ipv4 option is correct
* [#17919](https://github.com/apache/nuttx/pull/17919) net/netdev: correct the ioctl command validation logic
* [#18011](https://github.com/apache/nuttx/pull/18011) net: limit TCP and UDP send/recv buffer usage with throttled IOB
* [#18056](https://github.com/apache/nuttx/pull/18056) net/bluetooth: fix rmutex deadlock
* [#18247](https://github.com/apache/nuttx/pull/18247) net/netdev: a valid netdev for ipv4 should have ipv4 addr configured
* [#18249](https://github.com/apache/nuttx/pull/18249) netdev_driver: add carrier_on to xxx_ifup where carrier_on is absent
* [#18258](https://github.com/apache/nuttx/pull/18258) net/rpmsg: Modify error handling to rpmsg socket
* [#18386](https://github.com/apache/nuttx/pull/18386) net/utils: add union name for tasking compiler compatibility

* [#18083](https://github.com/apache/nuttx/pull/18083) !sched: Fix MISRA-C violations

* [#18398](https://github.com/apache/nuttx/pull/18398) !boards: Align naming of Kconfig options for interpreters