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Table of Contents

Work In Progress

Warning
titleWork In Progress
NuttX X.Y has not been released yet. These Release Notes are a work-in-progress in preparation for the next release of NuttX.  There is a board tracking the PRs that need to be looked at to add to this doc for the OS TODO ADD LINK and for the Apps TODO ADD LINK

What's New In This Release

...

Markdown
* [#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

libc

Markdown

...

various

Major Changes to the Build System

New Features

Bug Fixes

Architectural Support

New Architecture Support

Driver Support

Drivers With Improvements

Markdown
* [#16925#17453](https://github.com/apache/nuttx/pull/1692517453) driverslibs/timers/capturelibc: fixmachine typo in capture.hcode update
* [#17373#17479](https://github.com/apache/nuttx/pull/1737317479) driverslibc/machine/pcixtensa: Calculateadd PCImcount barimplementation size use mask 0xfffffffffor gprof
* [#17375#17533](https://github.com/apache/nuttx/pull/1737517533) driverslibc/pcilibelf: calculatefix bug barfor sizelibelf_symname
* [#17376#17534](https://github.com/apache/nuttx/pull/1737617534) driverslibs/libc/eeprommisc: Support PE/SE/CE commandsbacktrace needs init lock before use
* [#17379#17544](https://github.com/apache/nuttx/pull/1737917544) driverslibs/pcilibc: writeuse legacybuiltin numfunction to configoptimize sapce when enable legacy irqstring function
* [#17426#17495](https://github.com/apache/nuttx/pull/1742617495) driverslibs/libc/lcd/st7789obstack/lib_obstack_free.c: fix byteobject ordercheck in st7789_fill for 3 wireswithin chunk
* [#17433#17502](https://github.com/apache/nuttx/pull/1743317502) drivers/usbdevlibc: fiximprove cdcecmlibc netdevdependencies canin notcase enter running stateof LIBM_NONE
* [#17441#17568](https://github.com/apache/nuttx/pull/1744117568) drivers/can/can.c: fix broken O_NONBLOCKlibc/search: add foreach api for hcreate_data
* [#17446#17571](https://github.com/apache/nuttx/pull/1744617571) driverslibc/lpwan: Fix Kconfig SX1276 and SX1262 positionlocaltime: tz_lock/unlock should not touch tcb except FLAT
* [#17455#17742](https://github.com/apache/nuttx/pull/1745517742) notelibc/driverssyslograwstream: Get taskname more safely.Use memrchr to locate the newline character for…
* [#17456#17789](https://github.com/apache/nuttx/pull/1745617789) drivers/i3clibc: Revert "drivers/i3c: remove extra i3c_dev_register, do_daa has created them"Add Kconfig option to disable hex-string to float parsing
* [#17464#17831](https://github.com/apache/nuttx/pull/1746417831) driverslibs/libc/mmcsdftok: Aligned Cmake with Makefix sizeof(char *), after tempbuffer
* [#17470#17838](https://github.com/apache/nuttx/pull/1747017838) drivers/rpmsgdevlibcxx: serverporting functionslibcxx enhancedtest.
* [#17491#17840](https://github.com/apache/nuttx/pull/1749117840) driverslibs/usbhostlibcxx: improveport for usbhostInfineon hidTASKING kbdcompiler.
* [#17498#17841](https://github.com/apache/nuttx/pull/1749817841) drivers/timers/ptp: support ptp clock driver model,CLOCKFD and clock adjtime/settime/gettime for ptp devicelibcxx: supports CXX_MINI_LOCALIZATION
* [#17501#17846](https://github.com/apache/nuttx/pull/1750117846) driverslibs/batterylibxx: fixlibcxxabi event lost before service openscript updates
* [#17510#17862](https://github.com/apache/nuttx/pull/1751017862) driverslibs/ioexpanderlibc: addFix debouncefsetops and interrupt mask functionsfunc signature
* [#17512#17898](https://github.com/apache/nuttx/pull/1751217898) driverslibc/sensors/goldfishnetdb: support more sensorsavoid unnecessary DNS notify if nameserver exists
* [#17528#17910](https://github.com/apache/nuttx/pull/1752817910) driverslibc/inputstdio: Addsfix afreopen smallfd extensionhandling toand theadd Force Feedback (FF) input subsystem fdsan support
* [#17529#17936](https://github.com/apache/nuttx/pull/1752917936) drivers/virtiolibc: Fix DRIVERS_VIRTIO_INPUT configuration dependenciesadd creat function implementation
* [#17530#17956](https://github.com/apache/nuttx/pull/1753017956) driverslibs/libc: replace critical_ section with spinlock in hostname operations
* [#17531#18028](https://github.com/apache/nuttx/pull/1753118028) driverslibcxx/timerslibstdc++: A small improvements in the drivers/timers subsystemAdd libsupc++.defs to support libsupc++
* [#17540#18046](https://github.com/apache/nuttx/pull/1754018046) driverslibc/timerspthread: fix rtc_time struct Avoid compiler optimizations for once_control->done
* [#17541#18058](https://github.com/apache/nuttx/pull/1754118058) driverslibs/libc/virtioregex: ifremove inlogically assert, don't wait semaphoredead code in regcomp.c
* [#17552#18076](https://github.com/apache/nuttx/pull/1755218076) driverslibc/mtdspawn: Addsupport W25N SPI NAND flash driverget/set priority
* [#17554#18018](https://github.com/apache/nuttx/pull/1755418018) drivers/rpmsglibxx: Addfix rpmsg__getconfig_signalssite APIfor andlibcxx rpmsg transport ops supportcompile errors
* [#17586#17990](https://github.com/apache/nuttx/pull/1758617990) driverslibs/netlibxx: fixchange "wapi save_config" and "wapi reconnect" commandslibcxxmini to libminiabi
* [#17597#18019](https://github.com/apache/nuttx/pull/1759718019) driverslibs/netlibxx: setting loopback network driver sending task to the HPWORK queueAdd _LIBCPP_HAS_NO_CONTENTION_TABLE to reduce RAM usage
* [#17604#18136](https://github.com/apache/nuttx/pull/1760418136) driverslibs/libc/mtdpthread: add MTDIOC_ISBAD ioctlOptimize mutex robustness configuration and remove unnecessary tl_lock
* [#17746#18285](https://github.com/apache/nuttx/pull/1774618285) driverslibc/i2ctls: addupdate ioexpander-based lower-half implementation for I2C bit-bangpreprocessor condition comment to match implementation
* [#17747#18334](https://github.com/apache/nuttx/pull/1774718334) driverslibc/capturestring: addAdd signalBSD-optimized notification support and fake capture drivermemset implementation.
* [#17752#18449](https://github.com/apache/nuttx/pull/1775218449) driverslibs/sensorslibc: add aconfigurable dynamicskip count sensorfor debuggingmutex toolbacktrace sensor_monitoraddresses
* [#17760#17853](https://github.com/apache/nuttx/pull/1776017853) driverslibs/rpmsglibs: portfix spiwqueue add debug log, low power feature and bug fixsconfig typo
* [#17763#18068](https://github.com/apache/nuttx/pull/1776318068) driverslibs/sx127xcrc: Addimplement supportAUTOSAR-compatible to different bitrate and RX timeoutCRC algorithm
* [#17764#18151](https://github.com/apache/nuttx/pull/1776418151) drivers/adc: Use mutexlocklibstdc++: Relocate c++config.h from include/ to replacelibstdc++ criticalto section protection
preserv

tools

Markdown
* [#17769#17525](https://github.com/apache/nuttx/pull/1776917525) driverstools/sensorsnxtagspkgsfetch.sh: Fetch update upper->parsebuffer every new linetags packages for NuttX and Apps.
* [#17772#17874](https://github.com/apache/nuttx/pull/1777217874) drivers/sensorsTools[feat]: fixAdd mpu9250 register function commentsconfig change impact simulation tool (checkkconfig) using kconfig-lib
* [#17776#17886](https://github.com/apache/nuttx/pull/1777617886) drivers/ptytools/abi_check.py: fixIdentify memorypotential leakABI whenincompatibility pty_destroyissues
* [#17778#18035](https://github.com/apache/nuttx/pull/1777818035) driverstools/pynuttx/rpmsgnxgdb: routerfix doublesemaphore freefield andaccess reconnectin relateddebugging bugs fixscripts
* [#17782#18124](https://github.com/apache/nuttx/pull/1778218124) driverstools/usrsockparsetrace.py: replaceFix netget_locktypesize bug with conn_lockin parsetrace.py
* [#17783#18299](https://github.com/apache/nuttx/pull/1778318299) drivers/Rpmsgtools: fix `make rpmsghost_info` deadflag lockparsing and nsconfig string escaping

Various

Markdown
bind race condition problem
* [#17787#17444](https://github.com/apache/nuttx/pull/1778717444) driversinclude/rptunstring.h: fixmark rptunmemset stopand relatedmemcpy deadlock and crash bugs
* [#17797as used_code
* [#17569](https://github.com/apache/nuttx/pull/1779717569) driversinclude/cannuttx: Introduce replace critical-section mutex with spinlock
* [#17802](https://github.com/apache/nuttx/pull/17802) drivers/virtio-gpu: Avoid calling free in IRQseqlock, a sequential count based read-write lock. 
* [#17805#17575](https://github.com/apache/nuttx/pull/1780517575) driversinclude/netnuttx/e1000|igcatomic.ch: addfix PIDVIDC++ ofdefinition NICconflicts
* [#17813#17851](https://github.com/apache/nuttx/pull/1781317851) driversinclude/ioexpandersys: addextend enablethe &IOCTL disabledefintion macrothat forcompatible gpiowith SETDEBOUNCElinux and SETMASKkernel
* [#17814#18236](https://github.com/apache/nuttx/pull/1781418236) driversinclude/sensorsnotifier: addfix get_infoundefined interfacereference for gnss_uorbto spin_lock_irqsave_nopreempt
* [#17816#18308](https://github.com/apache/nuttx/pull/1781618308) driversinclude/rptuncxx/cmath: refactor rptun to decoupling the rptun and rpmsg virtio, make rptun can work with any virtio devicesFix compatibility with external toolchains
* [#17824#18374](https://github.com/apache/nuttx/pull/1782418374) driversinclude/cxx/sensorscmath: sensorUse bugtoolchain fix<cmath> -with toolchain libm

Crypto

Markdown
part 1
* [#17833#17932](https://github.com/apache/nuttx/pull/1783317932) drivers/netcrypto: fix igc build errorexport aes-cbc with 192/256 keysize
* [#17837#17948](https://github.com/apache/nuttx/pull/1783717948) driverscrypto/sensorscryptodev: fix memory addleak awhen newfailed sensorto type ENGopen /dev/crypto
* [#17842#17952](https://github.com/apache/nuttx/pull/1784217952) drivers/net/rpmsgdrv.c: add bidirectional data netdev supportCrypto key management with docs
* [#17845#17994](https://github.com/apache/nuttx/pull/1784517994) driverscrypto/mtdcryptosoft: Optimizationsreplace formacro RRAM/MRAMhowmany Compatibilitywith andcommon Erase Logic Robustnessmacro div_round_up
* [#17870#17995](https://github.com/apache/nuttx/pull/1787017995) driverscrypto/netblake2s.h: Fixfix crashtasking in wifi_sim disconnect.compile warning
* [#17871#17996](https://github.com/apache/nuttx/pull/1787117996) driverscrypto/virtiosiphash: Useavoid arc4random_bufredefine to generate MAC address.name issue
* [#17872#18064](https://github.com/apache/nuttx/pull/1787218064) drivers/sensors/fakesensorCrypto: Removeexport GNSSecc dependencysoftware
* [#17923#18138](https://github.com/apache/nuttx/pull/1792318138) driverscrypto/timerscryptosoft: check CONFIG_BOARD_LOOPSPERMSEC != 0 at runtimeFix HMAC-SHA when a long key is used
* [#17928#18167](https://github.com/apache/nuttx/pull/1792818167) drivers/can: repair compiler errorcrypto: fixes for cryptodev, cryptosoft and RSA export updates
* [#17942#18169](https://github.com/apache/nuttx/pull/1794218169) drivers/mmcsdcrypto: fixsupport typo,software itkey shouldmanagement features (MTD storage, Key Gen)

Major Changes to the Build System

cmake

Markdown
be "Byte" by spec
* [#17949#18364](https://github.com/apache/nuttx/pull/1794918364) drivers/misc/opteeCMake: addbuild implemented missingfor addrenvNXP headerS32K3 includeFamily
* [#17989#17427](https://github.com/apache/nuttx/pull/1798917427) drivers/usbhost_hidkbdcmake: FixAdd smallsupport typo in usbhost_hidkbd.cfor ccache
* [#18005#17550](https://github.com/apache/nuttx/pull/1800517550) drivers/rpmsgcmake: remove unnecessary header files, revise make.def and cmake fileadd lib_psa_set/getstackaddr file to CMakeLists.txt
* [#18014#17558](https://github.com/apache/nuttx/pull/1801417558) drivers/serial/Kconfig-16550: fix non-existent optioncmake:add missing cflag "-D_FILE_OFFSET_BITS=64" of sim
* [#18036#17579](https://github.com/apache/nuttx/pull/1803617579) driversarch/rpmsgarm: use nuttx/atomic.h instead metal/atomic.hAligned Cmake with Make
* [#18061#17430](https://github.com/apache/nuttx/pull/1806117430) driversboards/arm/pipestm32l4: fixCMake POLLHUPadded handling in poll()boards Part1
* [#18073#17794](https://github.com/apache/nuttx/pull/1807317794) drivers/sensorsfix  optimizes the sensor rpmsg driver proxy waiting mechanism to improve reliability. part 2cmake build
* [#18081#17810](https://github.com/apache/nuttx/pull/1808117810) driversarch/analogarm/mcp47x6xmc4: fix configuration command Aligned Cmake with Make and added XMC4500 and XMC4700 Relax
* [#18085#17852](https://github.com/apache/nuttx/pull/1808517852) drivers/rpmsg_router: multiple fixesCMake[enhance][debug]: Add target information tracking and improvementsdump capability for multi-coreCMake stabilitybuilds
* [#18091#17857](https://github.com/apache/nuttx/pull/1809117857) drivers/mtdCMake(enhance): addComplete nvsdefconfig cache bufferinclude support with menuconfig writeback capability
* [#18095#17864](https://github.com/apache/nuttx/pull/1809517864) driversarch/arm/mtdcmake: support ram_mtdconfig device && lomtdconfig devicefix the gnu-elf.ld handle error at ghs pre-process
* [#18100#17868](https://github.com/apache/nuttx/pull/1810017868) drivers/net/slip: set serial port to raw mode to prevent character escapingCMake[bugfix]:Fix incorrect include directory order in CMake application configuration
* [#18102#17908](https://github.com/apache/nuttx/pull/1810217908) drivers/sensors: fix sensor deadlock. part 3arch/arm/src/am335x: CMake build implemented for TI AM335x Sitara
* [#18108#17922](https://github.com/apache/nuttx/pull/1810817922) drivers/rpmsg: unify cpuname handling and fix pm wakelock initializationghs.cmake: add preprocess command to the .ld script generate procedure
* [#18116#17927](https://github.com/apache/nuttx/pull/1811617927) drivers/serialCMake(feat): FixImplement SIGINTCMake notELF deliveredApplication to foreground process on Ctrl-CBuild Mode
* [#18125#17968](https://github.com/apache/nuttx/pull/1812517968) driversbuild/usbdevcmake: fixadd rndismissing net link status can't update timely issuelibcxxtoolchain support
* [#18134#18382](https://github.com/apache/nuttx/pull/1813418382) driversarm64/chip/sensorsimx9: Add non-wakeup modeadd cmake support, andadd optimize RPMSG communication part 4.reboot support
* [#18156#18015](https://github.com/apache/nuttx/pull/1815618015) driverslibs/rpmsglibm: fix struct alignment issue by removing flexible array membercmake fix
* [#18159#18033](https://github.com/apache/nuttx/pull/1815918033) drivers/rpmsg_port_spiarch: addfix PM support and stability improvementscmake error
* [#18163#18144](https://github.com/apache/nuttx/pull/1816318144) drivers/rpmsg_port_uart: Improvements and bug fixes for stability and power managementCMake build implemented for NXP S32K1 Family
* [#18164#18194](https://github.com/apache/nuttx/pull/1816418194) drivers/sensors/dhtxxCMake: FixMultiple readbugfix returnand valuesoptimizations tofor bebuild POSIXsystem compliantreliability
* [#18165#18390](https://github.com/apache/nuttx/pull/1816518390) drivers/rpmsgCMake: refactorbuild implemented internalfor APIsMicrochip's toSAM3 privateSAM4 headerFamily
* [#18180#18392](https://github.com/apache/nuttx/pull/1818018392) drivers/sensorsCMake: Removebuild theimplemented uncalibratedfor memberMicrochip's ofSAM the sensor lowerhalf layer part 5D/L Family
* [#18209#18400](https://github.com/apache/nuttx/pull/1820918400) driverscmake/sensorsnuttx_mkconfig: sensor bugImprove fix.config partcomparison 6logic
* [#18231#18411](https://github.com/apache/nuttx/pull/1823118411) drivers/serialCMake: fixbuild crashimplemented whenfor bufferMicrochip's isSAM full and only recvbuf is imp…D5x/E5x Family
* [#18246#18413](https://github.com/apache/nuttx/pull/1824618413) driversboards/ioexapnderarm/mcp23x17 stm32f0l0g0: FixCMake writefix gpio output values on OLAT registersbuild b-l072z-lrwan1:nxlines_oled
* [#18248#18419](https://github.com/apache/nuttx/pull/1824818419) drivers/rpmsgCMake: supportbuild releaseimplemented thefor rxSTM32 buffer early in endpoint callbackSTM32WB Series
* [#18250#18423](https://github.com/apache/nuttx/pull/1825018423) drivers/timersCMake: addbuild timerimplemented driverfor implementedSTM32 bySTM32L5 watchdogSeries
* [#18256#18432](https://github.com/apache/nuttx/pull/1825618432) drivers/sensorsCMake: addbuild sensorimplemented monitorfor debugAllwinner log. part 7A1X family
* [#18261#18433](https://github.com/apache/nuttx/pull/1826118433) drivers/sensors/gnss: Add monitor logs for activationCMake: build implemented for Quicklogic EOS S3
* [#18265#18440](https://github.com/apache/nuttx/pull/1826518440) drivers/virtioCMake: virtiobuild configimplemented spacefor size-matched read operationsSTM32 STM32WL5
* [#18286#18443](https://github.com/apache/nuttx/pull/1828618443) drivers/analogcmake: bump fixminimum adcrequired ads1115CMake driver
* [#18289version to 3.20
* [#18455](https://github.com/apache/nuttx/pull/1828918455) driversarm64/vhostcmake: Improvementsfix andtypo fixesin for vhost frameworkCMAKE_STRIP flag
* [#18290#18466](https://github.com/apache/nuttx/pull/1829018466) drivers/virtioCMake: build implemented for Microchip's SAMA5 Family 

Architectural Support

Architecture Improvements

Markdown
* [#16795use virtqueue_nused() to check pending buffers
* [#18291](https://github.com/apache/nuttx/pull/1829116795) driversarch/virtiosim: fix the minor code style in virtio.c save errno in sim context switch to avoid coroutine make errno mess between host api calls.
* [#18294#17011](https://github.com/apache/nuttx/pull/1829417011) drivers/rpmsgarch: addRemove timestampdefault supportvalue for rpmsg buffer latency measurementBOARD_LOOPSPERMSEC
* [#18301#17117](https://github.com/apache/nuttx/pull/1830117117) driversarch/arm/lcdimxrt: Addserial ST7796registration TFTfixes LCDwhen framebuffer driverno dev console defined
* [#18304#17372](https://github.com/apache/nuttx/pull/1830417372) driversarch/power/pmarm64: fix Fixcreate typospage intable commentserr
* [#18361#17377](https://github.com/apache/nuttx/pull/1836117377) driversarch/usbdevarm64: Fix usbmsc_unbind() function for USB composite deviceconfig irq type
* [#18372#17416](https://github.com/apache/nuttx/pull/1837217416) driversarch/arm/notestm32h5: noteramAdd ioctlRS-485 FIONBIOsupport shouldto returnserial -ENOTTYdriver
* [#18410#17420](https://github.com/apache/nuttx/pull/1841017420) drivers/serial/uartarch/xmc4 : implementvarious uartfixes rpmsgand linux conterpartclean
* [#18435#17425](https://github.com/apache/nuttx/pull/1843517425) driversarch/arm/sensorssamv7: Legacy sensor warningallow all values for count in read
* [#18446#17429](https://github.com/apache/nuttx/pull/1844617429) drivers/serialarch/arm/src/samv7/Kconfig: addallow common0 Xilinx UART Peripheral System (XUARTPS) supportin MCANx_RXFIFOx_SIZE
* [#17442](https://github.com/apache/nuttx/pull/17442) arch/arm/samv7: optimize MCUboot loader configuration
* [#18454#17448](https://github.com/apache/nuttx/pull/1845417448) driversarch/syslogarmv8-r: add millisecond option for syslog timestamp formatting

Board Support

New Board Support

Boards With Significant Improvements

File System

Bug Fixes

Significant Improvements

Networking

Improvements

Markdown
* [#16940use -mfpu=fpv5-sp-d16 for SP-only Cortex-R52 targets
* [#17450](https://github.com/apache/nuttx/pull/16940) net: Hardware Checksum Offload Support for NuttX Network Stack
* [#1743117450) 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

Driver Support

Drivers With Improvements

Markdown
* [#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.

Board Support

New Board Support

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

Boards With Significant Improvements

Markdown
* [#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

File System

Significant Improvements

Markdown
* [#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

Networking

Improvements

Markdown
* [#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

Unsorted

Markdown
* [#17432](https://github.com/apache/nuttx/pull/17432) icmp/icmp6: Fix some functional errors 
* [#17434](https://github.com/apache/nuttx/pull/17434) select: fix too small timeout will be counted as 0
* [#17445](https://github.com/apache/nuttx/pull/17445) misc C++ related fixes
* [#17449](https://github.com/apache/nuttx/pull/17449) Improve the robustness of env & binfmt code
* [#17457](https://github.com/apache/nuttx/pull/17457) Fix clang fortify issue
* [#17458](https://github.com/apache/nuttx/pull/17458) binfmt/elf: fix issue that the file is not closed after opening
* [#17461](https://github.com/apache/nuttx/pull/17461) usbhost: cdcacm exit wq after copy all received data
* [#17467](https://github.com/apache/nuttx/pull/17467) usbdev CDCACM optimization
* [#17469](https://github.com/apache/nuttx/pull/17469) sim usb enhancement
* [#17472](https://github.com/apache/nuttx/pull/17472) compiler: redefine float and double when disable float compiling
* [#17475](https://github.com/apache/nuttx/pull/17475) espressif: add support for flash encryption
* [#17476](https://github.com/apache/nuttx/pull/17476) 3-wire for ili9341
* [#17478](https://github.com/apache/nuttx/pull/17478) eeprom/spi_xx25xx: Add IOCTL to set Block Protect
* [#17490](https://github.com/apache/nuttx/pull/17490) risc-v/litex: For vexriscv_smp, match default FDT address set by upstream opensbi.
* [#17492](https://github.com/apache/nuttx/pull/17492) usbdev: replace critical_section with spinlock
* [#17494](https://github.com/apache/nuttx/pull/17494) risc-v/litex: For vexriscv, point docs at linux CPU variant instead of secure.
* [#17496](https://github.com/apache/nuttx/pull/17496) usbhost: replace critical_section with spinlock
* [#17509](https://github.com/apache/nuttx/pull/17509) bugfix:the inode may have been removed by other core in SMP
* [#17515](https://github.com/apache/nuttx/pull/17515) rp2040,rp23xx,rp23xx-rv: allow up to 32 PIO instructions
* [#17518](https://github.com/apache/nuttx/pull/17518) timers/oneshot: Fix converted tv_nsec > NSEC_PER_SEC.
* [#17522](https://github.com/apache/nuttx/pull/17522) mtd/at25ee: Use eeprom/spi_xx25xx internally
* [#17561](https://github.com/apache/nuttx/pull/17561) openamp: upgrade the OpenAMP and Libmetal to the last released version v2025.10
* [#17591](https://github.com/apache/nuttx/pull/17591) espressif: improve esp-hal-3rdparty handling
* [#17647](https://github.com/apache/nuttx/pull/17647) LoopTask: Sim loop task refactor wdt thread process loop event
* [#17651](https://github.com/apache/nuttx/pull/17651) defconfig: Change the default gateway address
* [#17653](https://github.com/apache/nuttx/pull/17653) cmocka/defconfig: Update defconfigs to include cmocka application
* [#17665](https://github.com/apache/nuttx/pull/17665) paho_mqtt: Add paho_mqtt repository description file
* [#17670](https://github.com/apache/nuttx/pull/17670) arp_poll: skip arp_out when arp_send flow
* [#17671](https://github.com/apache/nuttx/pull/17671) mld: free all mld group when netdev unregister
* [#17682](https://github.com/apache/nuttx/pull/17682) com/can: Attempt to release invalid resources when sender is full
* [#17683](https://github.com/apache/nuttx/pull/17683) tcp_reset: Modify RST packet responses to comply with RFC 793.
* [#17694](https://github.com/apache/nuttx/pull/17694) nuttx/can: in trunk support to Send message cancel mechanism.
* [#17696](https://github.com/apache/nuttx/pull/17696) risc-v/litex: Implement up_flush_dcache_all when CONFIG_ARCH_DCACHE is defined.
* [#17719](https://github.com/apache/nuttx/pull/17719) Sim/gpiochip: sim gpiochip support nuttx access host gpiochip 
* [#17725](https://github.com/apache/nuttx/pull/17725) risc-v/litex: Add 64-bit S-mode vexiiriscv support for litex.
* [#17728](https://github.com/apache/nuttx/pull/17728) initial support for automated testing with NTFC
* [#17737](https://github.com/apache/nuttx/pull/17737) Add esp32c6 coremark and esp32s3 ostest defconfig
* [#17749](https://github.com/apache/nuttx/pull/17749) ARP table improvement
* [#17753](https://github.com/apache/nuttx/pull/17753) xtensa/esp32s3: fix dcache flush error in up_flush_dcache
* [#17755](https://github.com/apache/nuttx/pull/17755) utils.h: add conn_dev_sem_timedwait interface to simplify code logic
* [#17757](https://github.com/apache/nuttx/pull/17757) esp32s3: Remove redundant I2S include directive
* [#17761](https://github.com/apache/nuttx/pull/17761) Rpmsg: rpmsg services should be properly destroyed after calling rpmsg_device_destroy()
* [#17765](https://github.com/apache/nuttx/pull/17765) virtio/virtio-gpu: fbmem should transfer to pa
* [#17766](https://github.com/apache/nuttx/pull/17766) Migrate the rest of citest configurations to NTFC
* [#17770](https://github.com/apache/nuttx/pull/17770) [Kconfig] Fix Kconfig style
* [#17773](https://github.com/apache/nuttx/pull/17773) compiler: Add PRAGMA and unroll_loop.
* [#17777](https://github.com/apache/nuttx/pull/17777) virtio-gpu: support vsync and double fb
* [#17792](https://github.com/apache/nuttx/pull/17792) risc-v/litex: Update docs for vexriscv invalidate and no-op flush.
* [#17800](https://github.com/apache/nuttx/pull/17800) timer: rename tick_settimeouot to tick_settimeout
* [#17801](https://github.com/apache/nuttx/pull/17801) timer: add timer operation support
* [#17804](https://github.com/apache/nuttx/pull/17804) lin: adjust the LIN flag
* [#17807](https://github.com/apache/nuttx/pull/17807) Rpmsg test: add rpmsg test service to test the rpmsg apis
* [#17808](https://github.com/apache/nuttx/pull/17808) Rpmsg port uart: add low power support for rpmsg port uart
* [#17820](https://github.com/apache/nuttx/pull/17820) style: Fix case statement formatting in power management callbacks.
* [#17829](https://github.com/apache/nuttx/pull/17829) mtd/nvs: optimize nvs module
* [#17835](https://github.com/apache/nuttx/pull/17835) if_ether.h: add the definition of ETH_P_TSN
* [#17859](https://github.com/apache/nuttx/pull/17859) ghs: move the -fmacro-prefix-map compile option to compiler specific
* [#17860](https://github.com/apache/nuttx/pull/17860) arm64_head.S: fix the asm code build error
* [#17861](https://github.com/apache/nuttx/pull/17861) signal: add default sigaction for SIGURG
* [#17863](https://github.com/apache/nuttx/pull/17863) ghs: fix the UsageFault:INVSTATE error triggered by exception_common
* [#17875](https://github.com/apache/nuttx/pull/17875) sim: Pass through unknown sockopt to system.
* [#17884](https://github.com/apache/nuttx/pull/17884) stdio.h: Update TMP_MAX definition to match Linux
* [#17888](https://github.com/apache/nuttx/pull/1743117888) net/pkttcp_timer.c: Add some feature supportsend TCP_RST when keepalive timeout
* [#17435#17899](https://github.com/apache/nuttx/pull/1743517899) net/cantcp_input.c: addstandardize writethe bufferprocessing toof supporturgent nonblock senddata
* [#17436#17900](https://github.com/apache/nuttx/pull/1743617900) net/netdev/netdev_register.c: skip mld_devinit if Nic can not support mldsim: replace wdog with work queue in periodic work to avoid deadlock
* [#17440#17901](https://github.com/apache/nuttx/pull/1744017901) net/utils/net_bufpoollibm: add lock to struct net_bufpool_s and bufpool_navailprevent atanf() yielding NaN for high inputs values.
* [#17451#17902](https://github.com/apache/nuttx/pull/1745117902) net: ipfrag: use netdev_iob_replace_l2 to replace critical_section with spinlockd_iob
* [#17452#17905](https://github.com/apache/nuttx/pull/1745217905) net: add vlan supportTricore sched
* [#17465#17909](https://github.com/apache/nuttx/pull/1746517909) netdev_upperhalf: convert Kconfig to variableRpmsg rtc fixes
* [#17483#17916](https://github.com/apache/nuttx/pull/1748317916) net/pktghs: add SOCK_DGRAM supportupdate the compile option to recommended options
* [#17519#17918](https://github.com/apache/nuttx/pull/1751917918) net:Ltp Checklinux listeningkernel connectionscompletement whensys selectingwait portsimpl
* [#17520#17920](https://github.com/apache/nuttx/pull/1752017920) netsys/pktresouce: Fixedadd error handling for unsupported typesRLIM_NLIMITS definition
* [#17521#17924](https://github.com/apache/nuttx/pull/1752117924) net/socketposix_test: Fixedfix networkthe cardltp nameproject does not end with \0 when binding the device issuelink error
* [#17526#17925](https://github.com/apache/nuttx/pull/17526) net/tcp: modify txavail to be sent directly in the current thread17925) Rpmsg signals: rpmsg router support get the rpmsg signals
* [#17551#17926](https://github.com/apache/nuttx/pull/1755117926) netlpcxpresso-lpc54628/packetnetnsh: addenable PACKETCONFIG_<ADD|DROP>_MEMBERSHIP supportNET_SOCKOPTS to adapt icmpv6 changes
* [#17553#17929](https://github.com/apache/nuttx/pull/1755317929) netsys/netlink: add RT_TABLE_LOCAL definition for mqttc5 buildtypes.h: Fixed the conflict issue with the "OK" constant definition
* [#17555#17930](https://github.com/apache/nuttx/pull/1755517930) net/tcpulimit: add TCP_CORKulimit definitionimplementation
* [#17585#17931](https://github.com/apache/nuttx/pull/1758517931) net/netdevpthead: allow stack to send/receive when runningchange the pthread_equal implementation from macro to function
* [#17587#17933](https://github.com/apache/nuttx/pull/1758717933) net/igmplimits: mod check of IGMP_SCHEDMSG from assert to error logadd _POSIX_PTHREAD_ constant for pthread management
* [#17588#17934](https://github.com/apache/nuttx/pull/1758817934) net/tcppthread: modifyreorganized the returnlocations valueof whenpthread-related devfunctions is down in tcp_pollsetupand constants
* [#17589#17937](https://github.com/apache/nuttx/pull/1758917937) netfpathconf: update check condition from IFF_UP add _POSIX_PRIO_IO definition to IFF_RUNNINGcomply inwith the network sending processPSE52 standard
* [#17590#17938](https://github.com/apache/nuttx/pull/1759017938) net/tcp: resolve reconnection issues when connection failed due to rejectionTricore trap dump register
* [#17603#17939](https://github.com/apache/nuttx/pull/1760317939) net/tcpnotifiy: improveremove TCPcritical retransmission mechanisms for better reliabilitysection
* [#17946](https://github.com/apache/nuttx/pull/17946) Arm64 backtrace
* [#17607#17947](https://github.com/apache/nuttx/pull/1760717947) net/pktarm64: fixadd DHCPthe transmissioninterrupt failure bystatus updating d_sndlen/d_len lengthsin the syscall
* [#17652#17950](https://github.com/apache/nuttx/pull/1765217950) net/wirelessctucanfd: fix compile warning issue for wirelessincrease rwcnt bitfield width and fix structure alignment
* [#17655#17954](https://github.com/apache/nuttx/pull/1765517954) netpktbinfmt: Introductionrefactor toloadable usingmodule netpktcleanup examplemechanism
* [#17656#17960](https://github.com/apache/nuttx/pull/1765617960) net/ethernetarm64: ARP can be configured on interfaceadd missing REG_SCTLR_EL1 initialization in signal processing
* [#17657#17962](https://github.com/apache/nuttx/pull/1765717962) netlibarm64: Introductionfix FIQ tomask IPinitialization conflictin detectiontask functionsstate
* [#17658#17963](https://github.com/apache/nuttx/pull/1765817963) net/icmparm: checksupport theAMP checksummode fieldwith whenGIC receiveSGI icmpinter-core messageinterrupts
* [#17659#17966](https://github.com/apache/nuttx/pull/1765917966) net/ethernet: remove no use remove excess codearm64: When returning from a system call, regs[REG_SP_EL0] will overw…
* [#17660#17967](https://github.com/apache/nuttx/pull/1766017967) netdev_upperhalfarm64: add direct rx modeg_mpu_region need support SMP
* [#17661#17970](https://github.com/apache/nuttx/pull/1766117970) netkinetis/canenet: fixSet thecarrier typoon/off and compile erroron ifup/ifdown
* [#17662#17972](https://github.com/apache/nuttx/pull/1766217972) nettricore/icmpcsrm: Returnbringup -ENOPROTOOPTcpucs for SOL_SOCKET to avoid misleading logsin tricore
* [#17663#17976](https://github.com/apache/nuttx/pull/1766317976) net/net_initializeimx95-m7: removeFix theKconfig emptyfor functions that are not neededflexcan typo
* [#17667#17977](https://github.com/apache/nuttx/pull/1766717977) net/canarm64: canfix protocol uses a separate buffer to cache can datacompile failed
* [#17669#17982](https://github.com/apache/nuttx/pull/1766917982) netlibarmv7-a/arm_addrenv_pgmap.c: Add IOB statistics interface descriptionadd up_addrenv_find_page and up_addrenv_…
* [#17672#17983](https://github.com/apache/nuttx/pull/1767217983) net/ipfragarm64: fix ipstack fragmentpointer assertinitialization when iob not enoughCONFIG_STACK_COLORATION …
* [#17673#17998](https://github.com/apache/nuttx/pull/1767317998) net/bufpool: fix typoarm64: add mpu_addrenv.c empty implementation and change arm64_addren…
* [#17674#17999](https://github.com/apache/nuttx/pull/1767417999) netarm64/icmptoolchain: checkfix src ip for icmp request messagecompile warnning
* [#17676#18004](https://github.com/apache/nuttx/pull/1767618004) net/tcpsimwifi: addFix kconfig to support retransmission at a fixed timecompilation warning
* [#17677#18017](https://github.com/apache/nuttx/pull/1767718017) net/vlanKconfig: add some macro for vlanAdd ALLOW_CUSTOM_PERMISSIVE_COMPONENTS license option
* [#17678#18044](https://github.com/apache/nuttx/pull/1767818044) netrpmsg/tcprpmsg_virtio: add supportrpmsg forvirtio thecommon CLOSE_WAITpm statesupport
* [#17679#18045](https://github.com/apache/nuttx/pull/1767918045) nuttx/netirq: Exposerename the net_ipv6addr_maskcmp interface to user-mode callsSTACK_ALIGNMENT to STACKFRAME_ALIGN for clarity
* [#17686#18049](https://github.com/apache/nuttx/pull/1768618049) net/ipv4spinlock: Send ICMP Destination Unreachableadd and optimize recursive spinlock interface for unknownmulti-core protocolsupport
* [#17687#18050](https://github.com/apache/nuttx/pull/1768718050) net/ipv4sim: Dropit ais ipv4not packetnecessary withto total length bigger than the actual transmitted datacall restore_critical_section in irq
* [#17688#18051](https://github.com/apache/nuttx/pull/1768818051) net/arpx86_64: supportremove ARP entry learned on gratuitous ARP responseunnecessary restore_critical_section call in interrupt handler
* [#17689#18052](https://github.com/apache/nuttx/pull/1768918052) net/icmpsemaphore: Support icmp timestamp requestremove redundant leave_critical_section in sem_trywait_slow
* [#17691#18055](https://github.com/apache/nuttx/pull/1769118055) net/tcpstm32: disable tcpUART headerup_putc seqwhen checksemihosting
* [#17692#18101](https://github.com/apache/nuttx/pull/1769218101) netarm64: decoupleadd theprotected impactmode ofsupport net_lockand betweenSMP network cardsimprovements
* [#17693#18104](https://github.com/apache/nuttx/pull/1769318104) net/ethernetnotifier: fixprevent DEBUGASSERT compilationrecursion issuesduring for inet_sockif.csystem startup
* [#17695#18113](https://github.com/apache/nuttx/pull/1769518113) Revert "net/vlan: make a judgment before calling fuction limit TCP and UDP send/recv buffer usage with throttled IOB
* [#17698#18115](https://github.com/apache/nuttx/pull/1769818115) netnote/udpnoteram: Validateadd UDPFIONREAD lengthioctl fieldto againstreport actualunread packetbuffer size
* [#17699#18119](https://github.com/apache/nuttx/pull/1769918119) net/udptrace: add Supportmark zero-lengthand UDPprintf datagramssupport
* [#17700#18120](https://github.com/apache/nuttx/pull/1770018120) net/ethernet: change struct ifreq to consistent with LinuxModify the Kconfig name of the mtdconfig module
* [#17701#18126](https://github.com/apache/nuttx/pull/1770118126) netnote/devifram: fix poll issue when ifdown support multiple noterams to dump data when panic occurs
* [#17702#18139](https://github.com/apache/nuttx/pull/1770218139) net/arppthread: dontMove learncondition arpvariable informationimplementation if interface is noarpto userspace
* [#17705#18142](https://github.com/apache/nuttx/pull/1770518142) net/ioctltrace: addClean aup socketmacro interfaceformatting forin ioctltrace.h
* [#17707#18145](https://github.com/apache/nuttx/pull/1770718145) net/tcptricore: supportEnable recvSYSCALL_HOOKS packet in the TCP_FIN_WAIT_1/2 statearchitecture capability
* [#17709#18148](https://github.com/apache/nuttx/pull/1770918148) net/tcpspinlock: remove SYN_RCVD state conn by listener created when free listenerAdd try-lock variants for recursive spinlock
* [#17710#18150](https://github.com/apache/nuttx/pull/1771018150) net/tcpnuttx: sendadd resetprofiling whensupport retransmitted number greater than TCP_MAXRTXand documentation
* [#17711#18155](https://github.com/apache/nuttx/pull/1771118155) net/tcpclock: support OTW ack seq checkOptimize performance counter infrastructure with userspace access and multi-architecture support
* [#17712#18176](https://github.com/apache/nuttx/pull/1771218176) net/arpsyscall: support arp request limit add sched_note_event_ip syscall for instrumentation dump
* [#17713#18179](https://github.com/apache/nuttx/pull/1771318179) net/tcpnote: discard fin packet in LISTEN stateadd NOTE_DUMP_BINARY support for binary log dumping
* [#17714#18207](https://github.com/apache/nuttx/pull/1771418207) net/tcpsem_rw: fixConsolidate tcpreturn connstatements lock leak when port in use in tcp_selectportin down_write_trylock() for MISRA HIS compliance
* [#17715#18218](https://github.com/apache/nuttx/pull/1771518218) net/tcpmps: fix conn->workAN524 useKconfig aftersymbol free(MPS3, in worker queue listnot MPS2)
* [#17716#18219](https://github.com/apache/nuttx/pull/1771618219) net/ipv6sem_rw: DropMultiple IPcode packetquality shorterimprovements thanfor lengthMISRA inHIS IP headercompliance
* [#17729#18222](https://github.com/apache/nuttx/pull/1772918222) net/arpsem_waitirq: SkipConsolidate ARPreturn requeststatements iffor ipMISRA addressHIS is invalidcompliance
* [#17730#18225](https://github.com/apache/nuttx/pull/1773018225) netmtdconfig/neighbornvs: Skipsome Neighboroptimizations requestto ifthe ip address is invalid at ipv6nvs module
* [#17732#18226](https://github.com/apache/nuttx/pull/1773218226) netvirtio/netlinkvirtio-pci: improve replacePCI net_locktransport with netlink_lockINTX fallback and 64-bit support
* [#17733#18228](https://github.com/apache/nuttx/pull/1773318228) net/localsem_post: replace net_lock with local_lockConsolidate return statements for MISRA HIS compliance
* [#17734#18242](https://github.com/apache/nuttx/pull/1773418242) net/usrsock: replace net_lock with usrsock_lock Fix UBSAN undefined behavior in semaphore mutex helper macro
* [#17735#18243](https://github.com/apache/nuttx/pull/1773518243) net_sockif.cprotect: addmove ipus_heap levelto s|getsockopt support in SOCK_CTRLuserspace_data_s
* [#17743#18260](https://github.com/apache/nuttx/pull/1774318260) net/canipforward: fix poll setup to properly findAdd IFF_NOSRC_FORWARD and use free pollfd slotsIFF_NODST_FORWARD flags.
* [#17745#18262](https://github.com/apache/nuttx/pull/1774518262) netkernel/localbuild: simplifyFix filethe descriptorprotected passing using shared filep referencesbuild 
* [#17754#18267](https://github.com/apache/nuttx/pull/17754) net/devif_poll: only call the corresponding xxx_poll when there is data to be sent18267) Fix duplicate symbol errors in stack check implementation
* [#17775#18269](https://github.com/apache/nuttx/pull/1777518269) netFix can:SPI modifyDMA thebug returnwith valuenull oftxbuffer can_datahandler API.on ESP32S3
* [#17785#18274](https://github.com/apache/nuttx/pull/1778518274) net/udptls_getinfo.c: fix udp message cannot be sent to the network cardtls_get_info needs to be compiled in most cases.
* [#17806#18287](https://github.com/apache/nuttx/pull/1780618287) netrp23xx/netdevrp23xx-rv: Fix best prefix in findbyGPIO interrupt handler for RP2350B variant.
* [#17819#18312](https://github.com/apache/nuttx/pull/1781918312) net/routekconfig: needFix clear old cached route info when do reset cacheKconfig style
* [#17858#18318](https://github.com/apache/nuttx/pull/1785818318) nettoolchain/clang: makeimprove the sendmsg param type consistent with posix specificationclang toolchain
* [#17869#18341](https://github.com/apache/nuttx/pull/1786918341) net/icmpv6arm64: fixAdd crashkmalloc whenheader ipv6for address modified during autoconfigarch timer
* [#17877#18348](https://github.com/apache/nuttx/pull/1787718348) net/usrsockaudio: Fixupper EPIPE loop by clearing POLLIN on remote closehalf enhancement
* [#17878#18352](https://github.com/apache/nuttx/pull/1787818352) net [BUG FIX] rpmsg_virtio/rptun: Supportsupport no-ltofallback optioncpuname for the network build.when VIRTIO_RPMSG_F_CPUNAME not set
* [#17887#18362](https://github.com/apache/nuttx/pull/1788718362) netinetlcd/in.hili9341: Rename imr_interface to imr_address in struct ip_mreqn.Improve putrun's checks
* [#17890#18369](https://github.com/apache/nuttx/pull/1789018369) netvideo/icmpv4l2: fix Fixleaks devif_loopbackand deadout loopof whenbounds unrecognizedbugs ICMPin packetv4l2
* [#17895#18387](https://github.com/apache/nuttx/pull/1789518387) net/route/ramroute: replace prealloc with netpoollzf: prevent lzf header struct optimization
* [#17896#18395](https://github.com/apache/nuttx/pull/1789618395) net/neighborpynuttx: fix compilation with CONFIG_NET_ICMPv6_NO_STACKmissing `mm_initialize`
* [#17907#18401](https://github.com/apache/nuttx/pull/1790718401) net/canMakefile: allowRemove errmaskmake todepend befiles setby to CAN_ERR_FLAGmake distclean
* [#17917#18405](https://github.com/apache/nuttx/pull/1791718405) netimxrt/ipv4lpspi: checkFix whethercorrect theLPSPI lengthDMA oftransfer thesize ipv4 option is correctfor 16-bit
* [#17919#18425](https://github.com/apache/nuttx/pull/1791918425) netxtensa/netdevesp32: correct the ioctl command validation logicFix HMAC-SHA when a long key is used
* [#18011#18428](https://github.com/apache/nuttx/pull/1801118428) netrndis.c: limitmove TCPifup andin UDPsetconfig send/recvto bufferthe usage with throttled IOBwork queue
* [#18056#18441](https://github.com/apache/nuttx/pull/1805618441) net/bluetoothcodeowners: Shorten fixfile by rmutexusing deadlockwildcards
* [#18247#18447](https://github.com/apache/nuttx/pull/1824718447) netvideo/netdevimgdata: a valid netdev for ipv4 should have ipv4 addr configuredfix IMGDATA_SET_BUF macro int-conversion warning
* [#18249#18463](https://github.com/apache/nuttx/pull/1824918463) netdev_driver: add carrier_onwireless/cc1101: Add Kconfig option to xxx_ifupbypass wherestrict carrier_on is absentversion check
* [#18258#18473](https://github.com/apache/nuttx/pull/1825818473) netwireless/rpmsgnrf24l01: Modify error handling to rpmsg socket Implement common RF IOCTLs and fix missing register reads.
* [#18386#18478](https://github.com/apache/nuttx/pull/1838618478) net/utilsnxgdb: addchange unionthe namesymbol forg_statenames tasking compiler compatibility

...

to nxsched_get_stateinfo::g_statename

Compatibility Concerns

Markdown
* [#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

...