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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
* [#9610](https://github.com/apache/nuttx/pull/9610) binfmt: Always include arch/elf.h in include/nuttx/elf.h  
* [#9395](https://github.com/apache/nuttx/pull/9395) binfmt/elf: Support loading fully linked executables.  
* [#9426](https://github.com/apache/nuttx/pull/9426) binfmt/elf/coredump: alignment stack buffer to 64 to match gdb request  
* [#9376](https://github.com/apache/nuttx/pull/9376) binfmt/elf/coredump: add sanity checks for stack pointer  
* [#9366](https://github.com/apache/nuttx/pull/9366) binfmt/elf/coredump: add support of dump task stack without memory segments  
* [#9318](https://github.com/apache/nuttx/pull/9318) binfmt/elf/coredump: correct register offset after xcp.regs update  
* [#9099](https://github.com/apache/nuttx/pull/9099) binfmt/execmodule: correct destroy flow  
* [#9568](https://github.com/apache/nuttx/pull/9568) Debug:support python script auto debug nuttx kernel  
* [#9600](https://github.com/apache/nuttx/pull/9600) Fix assertion of free a wrong heap  
* [#9307](https://github.com/apache/nuttx/pull/9307) Fix windows compile errors because of double quotes in config   
* [#9147](https://github.com/apache/nuttx/pull/9147) include/err: Enforce c linkage for err and warn functions.  
* [#9459](https://github.com/apache/nuttx/pull/9459) include/nuttx/spi.h Fix SPIDEVID_TYPE macro definition    
* [#8956](https://github.com/apache/nuttx/pull/8956) Let BOARDIOC_SOFTRESETCAUSE_ASSERT equals to the default value of BOARD_ASSERT_RESET_VALUE  
* [#9274](https://github.com/apache/nuttx/pull/9274) modify type of numbytes in audio_buf_desc_s from uint16_t to apb_samp_t  
* [#9348](https://github.com/apache/nuttx/pull/9348) openamp: decoupling the transport layer and virtio device layer   
* [#9553#9406](https://github.com/apache/nuttx/pull/9553) Openamp/9406) openamp: virtio.h add version field in device id table struct  
* [#9553](https://github.com/apache/nuttx/pull/9553) Openamp/Kconfig: add cache and debug config for openamp   
* [#9149](https://github.com/apache/nuttx/pull/9149) Remove #warning in the unnecessary places  
* [#9594](https://github.com/apache/nuttx/pull/9594) Replace $(INCDIR) and ${DEFINE} with $(INCDIR_PREFIX) and $(DEFINE_PREFIX)  
* [#8726](https://github.com/apache/nuttx/pull/8726) Replace the unsafe function(strcat, sprintf) with the safe one(strlcat, snprintf)    
* [#9201#9509](https://github.com/apache/nuttx/pull/92019509) system/signalsdcard: in interrupting the context, regs modify logic errorupdate sdcard detection to avoid 0xff asignment to bool type  
* [#9142#9424](https://github.com/apache/nuttx/pull/91429424) signalsemantic/parser: add macro NSIG 

Changes to the Build System

Improvements

Markdown
 fix compile warning found by sparse  
* [#9400#9142](https://github.com/apache/nuttx/pull/94009142) toolssignal: Addadd waymacro NSIG 
* [#9201](https://github.com/apache/nuttx/pull/9201) system/signal: in interrupting the context, regs modify logic error    

Changes to the Build System

Improvements

Markdown
* [#9400](https://github.com/apache/nuttx/pull/9400) tools: Add way to get current defconfig name on runtime  
* [to get current defconfig name on runtime  
* [#9572](https://github.com/apache/nuttx/pull/9572) tools: Fix CONFIG_BASE_DEFCONFIG generation  
* [#9107](https://github.com/apache/nuttx/pull/9107) tools: Fix some error in Windows native build  
* [#9462](https://github.com/apache/nuttx/pull/9462) tools: Support string upper/lower case in make 
* [#9334](https://github.com/apache/nuttx/pull/9334) tools/mkallsyms: add exception handle 
* [#9069](https://github.com/apache/nuttx/pull/9069) tools/mksymtab: Fix a compilation warning 
* [#9210](https://github.com/apache/nuttx/pull/9210) tools/nuttx-gdbinit/armv7-a: reorder and synchronization registers of save/restore  
* [#9198](https://github.com/apache/nuttx/pull/9198) tools/nuttx-gdbinit: improve experience of gdb backend scripts  
* [#9234](https://github.com/apache/nuttx/pull/9234) tools/nuttx-gdbinit/armv7-a: add fpu support  
* [#9211](https://github.com/apache/nuttx/pull/9211) tools/Unix: treat kconfig warning as failure 
* [#9231](https://github.com/apache/nuttx/pull/9231) tools/refresh.sh: Add option to refresh all archs or all chips 

...

Markdown
* [#9189](https://github.com/apache/nuttx/pull/9189) drivers/audio: add support for the ES8311 codec  
* [#8775](https://github.com/apache/nuttx/pull/8775) drivers/audio: add audio_dma device driver.  
* [#9372](https://github.com/apache/nuttx/pull/9372) drivers/lcd: add JD9851 driver  
* [#8982](https://github.com/apache/nuttx/pull/8982) drivers/sensors: add support of InvenSense MPU-9250 sensor  
* [#9452](https://github.com/apache/nuttx/pull/9452) drivers/sensors: add BMI270 IMU support  
* [#9453](https://github.com/apache/nuttx/pull/9453) drivers/sensors: add bh1749nuc color sensor support  
* [#9258](https://github.com/apache/nuttx/pull/9258) drivers/virtio: add virtio-mmio-blk driver Audio Support

Improvements

Markdown
* [#9381#9027](https://github.com/apache/nuttx/pull/9381#9027) drivers/audio: add channels range Add audio underrun notice and support it in cxd56 audio driver  
* [#9152#9609](https://github.com/apache/nuttx/pull/9152#9609) audio/pcm_decodedrivers/can/can.c: fixFix warningsnested regardingloops unusedwith functionssame and varsvariable  

Board Support

New Board Support

Markdown
* [#9322#9450](https://github.com/apache/nuttx/pull/9322)boards/nrf52:#9450) drivers/can/mcp2515.c add initialmissing supportspi forconfiguration Thingy:52 boardin mcp2515_r…  
* [#9323#9399](https://github.com/apache/nuttx/pull/9323)boards/nrf53: add initial support for Thingy:53 board  

Improvements

File System

Improvements 

Markdown
* [#8939#9399) drivers/can/mcp2515.c Fix Configure Spi Bus on every bus lock  
* [#9393](https://github.com/apache/nuttx/pull/8939#9393) fs: Flush the file system cache in BOARDIOC_POWEROFF toodrivers/can/mcp2515.c Fix Missing Chipselect de-assert before bus unl…  
* [#9521#9427](https://github.com/apache/nuttx/pull/9521#9427) fs: move memset to upper lever for statfs and add f_fsid field  drivers/can/mcp2515.c Use SPIDEV_CANBUS(config->devid) instead of SP…  
* [#9060#8773](https://github.com/apache/nuttx/pull/9060#8773) fsdrivers/cromfsdma: Fixsupport faultydma DEBUGASSERT()driver checkmodel  
* [#9000#8922](https://github.com/apache/nuttx/pull/9000#8922) fsdrivers/hostfsemmc: aligneMMC operation flags define with fcntl.hdriver support  
* [#8868#9529](https://github.com/apache/nuttx/pull/8868#9529) fsdrivers/ioexpander/hostfs: switch working directorypca9555: fix const correctness of pin set parameters  
* [#9093#9398](https://github.com/apache/nuttx/pull/9093#9398) fsdrivers/input/inodetsc2007: whenRename touchscreen searchingioctls for nextnameclarity skip "/" and "./"  
* [#9037
* [#8398](https://github.com/apache/nuttx/pull/9037#8398) fsdrivers/lcd/littlefsst7789: littlefs shouldn't be used without C99 BOOLDynamic adjustment of the orientation, switch orientation on the fly  
* [#9120#9463](https://github.com/apache/nuttx/pull/9120#9463) fsdrivers/modem/littlefsalt1250: AddUpdate patchalt1250 fordriver littlefs to use kmm_malloc/free on kernel with MMU. Upgrade to latest littlefs
* [#9119](https://github.com/apache/nuttx/pull/#9119) drivers/misc: fix missing instantiation of return value in rwb_mediaremoved.  
* [#9140#9556](https://github.com/apache/nuttx/pull/9140#9556) fsdrivers/misc/mtdrpmsg: add fdsan support for MTDIOC_ERASESECTORS ioctlrpmsg dev/mtd/blk  
* [#9146#9436](https://github.com/apache/nuttx/pull/9146#9436) fsdrivers/mtd: Implement MTDIOC_ERASESTATE and MTDIOC_ERASESECTORScheck args for nvs read  
* [#9144#9011](https://github.com/apache/nuttx/pull/9144#9011) fsdrivers/mtd: fix minoruninit fixdata forin mtd/nand driver  _config_fs  
* [#9145#9492](https://github.com/apache/nuttx/pull/9145#9492) fsdrivers/mtd/nand: mtd_config Add nand_raw_initialize to skip the probingname len max changed to NAME_MAX  
* [#9347#9342](https://github.com/apache/nuttx/pull/9347#9342) fsdrivers/mtd/partitiongd25: registerFlash partitionmemory device- ifperformance callerenhancements doesn't provide handler  
* [#9394#9500](https://github.com/apache/nuttx/pull/9394#9500) fsdrivers/mtd/procfs: add cpuinfois25xp: Enable usage of several chips on the same spi bus  
* [#9073#9154](https://github.com/apache/nuttx/pull/9073#9154) fsdrivers/mtd/procfs: fix readdir loss last characternand: Return -EUCLEAN when the bit error happen but fixed by ecc  
* [#9550#9281](https://github.com/apache/nuttx/pull/9550#9281) fsdrivers/mtd/fdcheckw25qxxxjv: Let FDCHECK depend on SCHED_HAVE_PARENTadd dual die support for 1 Gbit flash  
* [#9385#9272](https://github.com/apache/nuttx/pull/9385#9272) fsdrivers/vfsmtd/fs_pollw25qxxxjv: Fix wrong return value in CONFIG_BUILD_KERNELfix STATUS2_QE_ENABLED bitfield write  
* [#9540#9396](https://github.com/apache/nuttx/pull/9540#9396) fsdrivers/net/vfsslip: Switch Properto usepoll ofbased sigisemptysetdesign  
* [#9205#8987](https://github.com/apache/nuttx/pull/9205#8987) fsdrivers/vfsnote: Zerofix filenote_drivers structerror field with memset

Networking

Improvements

Security Issues Fixed In This Release

...


* [#9130](https://github.com/apache/nuttx/pull/#9130) drivers/pipe: fix blocking file_pipe  
* [#8985](https://github.com/apache/nuttx/pull/#8985) drivers/pipe: make pipe and named pipe (mkfifo) POSIX-compliant (blocking open)  
* [#9505](https://github.com/apache/nuttx/pull/#9505) drivers/ptmx: Fix a potential buffer overflow  
* [#9554](https://github.com/apache/nuttx/pull/#9554) drivers/rptun: rptun and rptun_dump bug fix  
* [#9592](https://github.com/apache/nuttx/pull/#9592) drivers/segger: Change the default value of SEGGER_RTT_MAX_NUM_DOWN_BUFFERS to SEGGER_RTT_MAX_NUM_UP_BUFFERS  
* [#9012](https://github.com/apache/nuttx/pull/#9012) drivers/sensors/APDS9922:  
* [#9608](https://github.com/apache/nuttx/pull/#9608) drivers/sensors/apds9960: Fix use after free  
* [#9004](https://github.com/apache/nuttx/pull/#9004) drivers/sensors/Kconfig: Fix bmi160 help texts in Kconfig  
* [#9013](https://github.com/apache/nuttx/pull/#9013) drivers/sensors/Kconfig: Fix bmp280 texts in Kconfig  
* [#9589](https://github.com/apache/nuttx/pull/#9589) drivers/sensors/mpu60x0: add IOCTL support  
* [#8999](https://github.com/apache/nuttx/pull/#8999) drivers/sensors/mpu60x0: Fix the error when reset mpu60x0 in SPI case  
* [#9305](https://github.com/apache/nuttx/pull/#9305) drivers/serial: Fix coverity issue  
* [#9292](https://github.com/apache/nuttx/pull/#9292) drivers/serial: fix race condition in multi-thread write  
* [#9219](https://github.com/apache/nuttx/pull/#9219) drivers/serial: fix update local flags for the pty device attribute  
* [#9049](https://github.com/apache/nuttx/pull/#9049) drivers/serial: support tty c_cc VMIN & VTIME  
* [#9354](https://github.com/apache/nuttx/pull/#9354) drivers/serial/16550: dma support 16550 uart  
* [#9473](https://github.com/apache/nuttx/pull/#9473) drivers/serial/16550: Include nuttx/clk/clk.h  
* [#9283](https://github.com/apache/nuttx/pull/#9283) drivers/serial/16550: serial output can cause deadlock  
* [#9105](https://github.com/apache/nuttx/pull/#9105) drivers/spi/spi_bitbang: Add private data on spi_bitbang  
* [#9102](https://github.com/apache/nuttx/pull/#9102) drivers/spi/spi_bitbang: Fix build warnings  
* [#9404](https://github.com/apache/nuttx/pull/#9404) drivers/syslog: add mutex to syslog_default_write  
* [#9591](https://github.com/apache/nuttx/pull/#9591) drivers/syslog: Add sc_write_force callback  
* [#9176](https://github.com/apache/nuttx/pull/#9176) drivers/syslog: add syslog option definition  
* [#9364](https://github.com/apache/nuttx/pull/#9364) drivers/syslog: use internal buffer to decoupling syslog with iob  
* [#8950](https://github.com/apache/nuttx/pull/#8950) drivers/telnet: Remove TELNET_CHARACTER_MODE  
* [#9133](https://github.com/apache/nuttx/pull/#9133) drivers/telnet: Refused to enter character mode  
* [#9541](https://github.com/apache/nuttx/pull/#9541) drivers/usbdev/cdcacm.c: register console only for device with minor number 0  
* [#9331](https://github.com/apache/nuttx/pull/#9331) drivers/usbhost: Can now handle multiple interface descriptors.  
* [#9245](https://github.com/apache/nuttx/pull/#9245) drivers/usbhost: Fix function address generation for multi-port root hubs.  
* [#9287](https://github.com/apache/nuttx/pull/#9287) drivers/usbhost: Make unplugging hubs more reliable.  
* [#9223](https://github.com/apache/nuttx/pull/#9223) drivers/usbhost/usbhost_cdcacm.c: fix warning  
* [#9257](https://github.com/apache/nuttx/pull/#9257) drivers/usbhost/usbhost_hub: Prevent crash when the last hub port is used.  
* [#9479](https://github.com/apache/nuttx/pull/#9479) drivers/usrsock/dns: add sanity check before send dns event  
* [#9520](https://github.com/apache/nuttx/pull/#9520) drivers/usrsock/rpmsg_server: fix poll recursive when revent POLLHUP or POLLERR  
* [#9581](https://github.com/apache/nuttx/pull/#9581) drivers/usrsock/usrsock_server: fix incomplete received data error  
* [#9261](https://github.com/apache/nuttx/pull/#9261) drivers/usrsock/usrsock_server: fix issues with usrsock_rpmsg_sendto_handler  
* [#8949](https://github.com/apache/nuttx/pull/#8949) drivers/video: passthrough unknown ioctl commands for customized scenarios in fb driver  
* [#9045](https://github.com/apache/nuttx/pull/#9045) drivers/video: Support spot position setting  
* [#9221](https://github.com/apache/nuttx/pull/#9221) drivers/video/fb: adapt to fbmem dynamic update.  
* [#8907](https://github.com/apache/nuttx/pull/#8907) drivers/video/fb: add vsync offset support  
* [#9101](https://github.com/apache/nuttx/pull/#9101) drivers/video/fb: fix pollnotify calling crash in advance  
* [#9328](https://github.com/apache/nuttx/pull/#9328) drivers/video/fb_driver: add fb_open and fb_close  
* [#9388](https://github.com/apache/nuttx/pull/#9388) drivers/video/vnc_server: Fix that vnc_updater thread exited caused by readed a null data  
* [#9329](https://github.com/apache/nuttx/pull/#9329) drivers/video/vnc_server: set touch.maxpoint to 1 for circbuf_init  
* [#9447](https://github.com/apache/nuttx/pull/#9447) drivers/virtio: Fix virtnet_transmit() in virtio-mmio-net.c  
* [#9457](https://github.com/apache/nuttx/pull/#9457) drivers/virtio: Fix virtio-mmio-net  
* [#9582](https://github.com/apache/nuttx/pull/#9582) drivers/virtio: Use one dscriptor for RX in virtio-mmio-net.c  
* [#9134](https://github.com/apache/nuttx/pull/#9134) drivers/wireless: Fix mtu info for gs2200m  

Audio Support

Improvements

Markdown
* [#9381](https://github.com/apache/nuttx/pull/9381) audio: add channels range  
* [#9152](https://github.com/apache/nuttx/pull/9152) audio/pcm_decode: fix warnings regarding unused functions and vars  

Board Support

New Board Support

Markdown
* [#9322](https://github.com/apache/nuttx/pull/9322)boards/nrf52: add initial support for Thingy:52 board  
* [#9323](https://github.com/apache/nuttx/pull/9323)boards/nrf53: add initial support for Thingy:53 board  

Improvements

Markdown
* [#8964](https://github.com/apache/nuttx/pull/8964) boards: define boardioc_softreset_subreason_e in CONFIG_BOARDCTL_RESET 
* [#9512](https://github.com/apache/nuttx/pull/9512) boards: Enable md5 to test virtio 
* [#9167](https://github.com/apache/nuttx/pull/9167) boards: Fix CONFIG_[START_DATE,START_MONTH] cannot start with 0 
* [#8962](https://github.com/apache/nuttx/pull/8962) boards: refresh boards that use usbmsc 
* [#8942](https://github.com/apache/nuttx/pull/8942) boards: Replace open/pread with file_open/file_pread 
* [#8941](https://github.com/apache/nuttx/pull/8941) boards/boardctl: Add BOARDIOC_SOFTRESETCAUSE_ENTER_BOOTLOADER reset cause 
* [#9217](https://github.com/apache/nuttx/pull/9217) boards/boardctl: add BOARDIOC_SOFTRESETCAUSE_RESTORE_FACTORY_INQUIRY 
* [#9535](https://github.com/apache/nuttx/pull/9535) boards/arm/cxd56xx/spresense: Fix boards implements for supporting PM System 
* [#9056](https://github.com/apache/nuttx/pull/9056) boards/arm/cxd56xx/drivers/sensors/Kconfig: Fix bmp280 texts in Kconfig 
* [#9358](https://github.com/apache/nuttx/pull/9358) boards/arm/nrf5x: introduce common folder for nrf52 and nrf53 
* [#9403](https://github.com/apache/nuttx/pull/9403) boards/arm/nrf52840-dongle: add usb support and usbnsh example 
* [#9451](https://github.com/apache/nuttx/pull/9451) boards/arm/nrf52-feather: fix typo in I2C1 initialization 
* [#9321](https://github.com/apache/nuttx/pull/9321) boards/arm/nrf53: cosmetics 
* [#8840](https://github.com/apache/nuttx/pull/8840) boards/arm/sam34: make userleds work on Arduino Due 
* [#9571](https://github.com/apache/nuttx/pull/9571) boards/arm/samv7: add lower level IOCTL handler to sam_gpio_enc driver 
* [#9415](https://github.com/apache/nuttx/pull/9415) boards/arm/samv7: add type member to mtd_partition_s structure 
* [#8952](https://github.com/apache/nuttx/pull/8952) boards/arm/stm32: add composite device configurations 
* [#9559](https://github.com/apache/nuttx/pull/9559) boards/arm/stm32/stm32 tickless: stop assertion when calling up_timer_gettime 
* [#9089](https://github.com/apache/nuttx/pull/9089) boards/arm/stm32/tm4c1294-launchpad: Add reboot support. 
* [#9383](https://github.com/apache/nuttx/pull/9383) boards/arm/stm32/Update stm32l562e-dk:nsh 
* [#9373](https://github.com/apache/nuttx/pull/9373) boards/arm/stm32f0l0g0: rework boards to not use legacy pinmap 
* [#9164](https://github.com/apache/nuttx/pull/9164) boards/arm/stm32f4/nucleo-f429zi: update CONFIG define to keep up with the CONFIG in arch/stm32 
* [#9593](https://github.com/apache/nuttx/pull/9593) boards/arm/stm32f4/stm32f429i-disco: Register the BUTTON driver 
* [#8906](https://github.com/apache/nuttx/pull/8906) boards/arm/stm32f4/stm32f411: MiniF4 peripherals support improvements 
* [#9409](https://github.com/apache/nuttx/pull/9409) boards/arm/stm32f7: DIR/Complementary PWM possible on PE08 and PE10 
* [#9247](https://github.com/apache/nuttx/pull/9247) boards/arm/stm32f7: rework boards to not use legacy pinmap 
* [#9230](https://github.com/apache/nuttx/pull/9230) boards/arm/stm32f7/nucleo-144: Modifications for the EMB control board 
* [#9562](https://github.com/apache/nuttx/pull/9562) boards/arm/stm32f7/stm32f777zit6-meadow: Fix external RAM pinout and add board profile 
* [#9250](https://github.com/apache/nuttx/pull/9250) boards/arm/stm32h7: rework boards to not use legacy pinmap 
* [#9224](https://github.com/apache/nuttx/pull/9224) boards/arm/stm32h7/nucleo-h743zi: fix usb host example 
* [#9233](https://github.com/apache/nuttx/pull/9233) boards/arm/tiva: bmp280 driver binding to tm4c1294 
* [#9206](https://github.com/apache/nuttx/pull/9206) boards/arm/tiva: mpu6050 driver binding to TM4C1294 
* [#9054](https://github.com/apache/nuttx/pull/9054) boards/arm/tiva/lm3s6432-s2e: reduce size of NSH configuration binary 
* [#8929](https://github.com/apache/nuttx/pull/8929) boards/arm/tiva/tm4c1294-launchpad: Use bmi160 driver for boostxl-sensors. 
* [#9150](https://github.com/apache/nuttx/pull/9150) boards/sim: Add defconfigs for testing the RTP Tools on Simulator and ESP32-LyraT board and relevant documentation about it 
* [#8772](https://github.com/apache/nuttx/pull/8772) boards/sim: Add sim:toywasm config 
* [#9197](https://github.com/apache/nuttx/pull/9197) boards/sim: Enable more sanitizer check when enable 
* [#8972](https://github.com/apache/nuttx/pull/8972) boards/sim/ostest: Enabled KASAN, UBSAN & assertions. 
* [#9015](https://github.com/apache/nuttx/pull/9015) boards/xtensa/esp32: Add ESP32-PICO-KIT support 
* [#9141](https://github.com/apache/nuttx/pull/9141) boards/xtensa/esp32/esp32-devkitc: substitute ramtest to mm on defconfigs 
* [#9567](https://github.com/apache/nuttx/pull/9567) boards/xtensa/esp32/esp32-devkitc/wamr_wasi_debug: Bump WAMR version 
* [#9096](https://github.com/apache/nuttx/pull/9096) boards/xtensa/esp32/esp32s2-kaluga-1: Add support for LCD displays 
* [#9565](https://github.com/apache/nuttx/pull/9565) boards/xtensa/esp32/esp32s3: Add usbnsh for all ESP32S3 boards 
* [#9551](https://github.com/apache/nuttx/pull/9551) boards/xtensa/esp32/esp32s3-devkit: Revert NSH defconfig deletion 
* [#9524](https://github.com/apache/nuttx/pull/9524) boards/xtensa/k210: Use 8 byte align in linker script #9135 boards: remove unnecessary FAR 
* [#8781](https://github.com/apache/nuttx/pull/8781) boards/risc-v: Add MPU60x0 IMU sensors support for ESP32C3 
* [#8762](https://github.com/apache/nuttx/pull/8762) boards/risc-rv/qemu-vr: Support for Kernel build with vexriscv-smp. 
* [#9514](https://github.com/apache/nuttx/pull/9514) boards/risc-rv/rv-virt: Add netnsh64_smp to test virtio 

File System

Improvements 

Markdown
* [#9063](https://github.com/apache/nuttx/pull/9063) fs: Add g_ prefix to file_operations and mountpt_operations  
* [#8939](https://github.com/apache/nuttx/pull/8939) fs: Flush the file system cache in BOARDIOC_POWEROFF too 
* [#9521](https://github.com/apache/nuttx/pull/9521) fs: move memset to upper lever for statfs and add f_fsid field  
* [#9558](https://github.com/apache/nuttx/pull/9558) fs: some minor changed about the fs  
* [#9060](https://github.com/apache/nuttx/pull/9060) fs/cromfs: Fix faulty DEBUGASSERT() check  
* [#9000](https://github.com/apache/nuttx/pull/9000) fs/hostfs: align operation flags define with fcntl.h  
* [#8868](https://github.com/apache/nuttx/pull/8868) fs/hostfs: switch working directory  
* [#9550](https://github.com/apache/nuttx/pull/9550) fs/fdcheck: Let FDCHECK depend on SCHED_HAVE_PARENT  
* [#9009](https://github.com/apache/nuttx/pull/9009) fs/inode: Fixes in asprintf usage.  
* [#9093](https://github.com/apache/nuttx/pull/9093) fs/inode: when searching for nextname skip "/" and "./"  
* [#9037](https://github.com/apache/nuttx/pull/9037) fs/littlefs: littlefs shouldn't be used without C99 BOOL 
* [#9120](https://github.com/apache/nuttx/pull/9120) fs/littlefs: Add patch for littlefs to use kmm_malloc/free on kernel with MMU. Upgrade to latest littlefs  
* [#9140](https://github.com/apache/nuttx/pull/9140) fs/mtd: add support for MTDIOC_ERASESECTORS ioctl  
* [#9146](https://github.com/apache/nuttx/pull/9146) fs/mtd: Implement MTDIOC_ERASESTATE and MTDIOC_ERASESECTORS  
* [#9144](https://github.com/apache/nuttx/pull/9144) fs/mtd: minor fix for mtd/nand driver  
* [#9145](https://github.com/apache/nuttx/pull/9145) fs/mtd/nand: Add nand_raw_initialize to skip the probing  
* [#9347](https://github.com/apache/nuttx/pull/9347) fs/partition: register partition device if caller doesn't provide handler  
* [#9394](https://github.com/apache/nuttx/pull/9394) fs/procfs: add cpuinfo  
* [#8991](https://github.com/apache/nuttx/pull/8991) fs/procfs: add total time running time of task  
* [#9073](https://github.com/apache/nuttx/pull/9073) fs/procfs: fix readdir loss last character  
* [#9540](https://github.com/apache/nuttx/pull/9540) fs/vfs: Proper use of sigisemptyset  
* [#9205](https://github.com/apache/nuttx/pull/9205) fs/vfs: Zero file struct field with memset
* [#9385](https://github.com/apache/nuttx/pull/9385) fs/vfs/fs_poll: Fix wrong return value in CONFIG_BUILD_KERNEL  
* [#9576](https://github.com/apache/nuttx/pull/9576) fs/vfs/sendfile: Fixed behavior of sendfile when count is set to zero.  

Networking

Improvements

Markdown
* [#9423](https://github.com/apache/nuttx/pull/9423) net: Fix task block when devif_send fails.  
* [#9265](https://github.com/apache/nuttx/pull/9265) net: move ttl field into socket_conn_s struct  
* [#9237](https://github.com/apache/nuttx/pull/9237) net: remove conn-related casts  
* [#9254](https://github.com/apache/nuttx/pull/9254) net: Support to PMTUD  
* [#9180](https://github.com/apache/nuttx/pull/9180) net/can: control msg support multi-attribute return   
* [#9111](https://github.com/apache/nuttx/pull/9111) net/can: fix can mssage corruption if enable NET_TIMESTAMP  
* [#9160](https://github.com/apache/nuttx/pull/9160) net/can: Remove the unnecessary "ret = OK;" in can_getsockopt 
* [#9169](https://github.com/apache/nuttx/pull/9169) net/ethernet: add ETHERTYPE define  
* [#9483](https://github.com/apache/nuttx/pull/9483) net/icmp: Save poll device in icmp_poll_s  
* [#9174](https://github.com/apache/nuttx/pull/9174) net/icmp6: add icmp6-related definition  
* [#9222](https://github.com/apache/nuttx/pull/9222) net/icmp6/in.h: add SOL_IPV6 protocol-level socket options IPV6_RECVHOPLIMIT  
* [#9195](https://github.com/apache/nuttx/pull/9195) net/icmpv6: add SOCK_RAW type support  
* [#9177](https://github.com/apache/nuttx/pull/9177) net/if: add net device type  
* [#9178](https://github.com/apache/nuttx/pull/9178) net/ip: add iphdr definition  
* [#9171](https://github.com/apache/nuttx/pull/9171) net/if_arp: add arphdr definition  
* [#9519](https://github.com/apache/nuttx/pull/9519) net/inet_addr: return INADDR_NONE(-1) when input string is invalid  
* [#9179](https://github.com/apache/nuttx/pull/9179) net/ip6: add ip6-related definition  
* [#9266](https://github.com/apache/nuttx/pull/9266) net/ipv6: support SOL_IPV6 options IPV6_UNICAST_HOPS and IPV6_MULTICAST_HOPS  
* [#9269](https://github.com/apache/nuttx/pull/9269) net/ipv6_setsockopt: Merge similarity logic  
* [#9196](https://github.com/apache/nuttx/pull/9196) net/ipforward: copy iob when broadcast forward  
* [#9043](https://github.com/apache/nuttx/pull/9043) net/ipforward: limit the forwarding range of broadcast packets  
* [#9244](https://github.com/apache/nuttx/pull/9244) net/local: fix blocking local sockets  
* [#9295](https://github.com/apache/nuttx/pull/9295) net/net: Add the check that socket domain is equal to bound address type, when do bind.  
* [#9162](https://github.com/apache/nuttx/pull/9162) net/net: Simplify the tcp/udp existence check  
* [#8610](https://github.com/apache/nuttx/pull/8610) net/netdev: Add upper half of netdev and simplify sim driver  
* [#9517](https://github.com/apache/nuttx/pull/9517) net/netdev: remove ASSERT when ifindex is invalid  
* [#9543](https://github.com/apache/nuttx/pull/9543) net/netdev/upper: Optimize on quota related operations  
* [#9293](https://github.com/apache/nuttx/pull/9293) net/netdev_upper: Protect quota by spin lock to allow netpkt_xxx be called in interrupt context  
* [#9522](https://github.com/apache/nuttx/pull/9522) net/netfilter: add NF_IP_xxx definition  
* [#9188](https://github.com/apache/nuttx/pull/9188) net/netinet/include: header file definition changed to nuttx format  
* [#8864](https://github.com/apache/nuttx/pull/8864) net/netlink: add RTM_NEWADDR, RTM_DELADDR and RTM_GETADDR  
* [#9175](https://github.com/apache/nuttx/pull/9175) net/netlink: convert lltype to device type  
* [#9116](https://github.com/apache/nuttx/pull/9116) net/procfs: Support to show MTU in netdev statistics  
* [#9170](https://github.com/apache/nuttx/pull/9170) net/route: add struct in6_rtmsg definition  
* [#9290](https://github.com/apache/nuttx/pull/9290) net/rpmsg: initialize semaphore count before wait  
* [#9042](https://github.com/apache/nuttx/pull/9042) net/rpmsg: Set family for rpaddr in ns_bind  
* [#9374](https://github.com/apache/nuttx/pull/9374) net/socket: Fix send() / recv() in BUILD_KERNEL  
* [#9588](https://github.com/apache/nuttx/pull/9588) net/socket/recvfrom: Fix buffer copy direction when using BUILD_KERNEL.  
* [#9074](https://github.com/apache/nuttx/pull/9074) net/tcp_input: drop SYN when no free node in the backlog  
* [#9187](https://github.com/apache/nuttx/pull/9187) net/tcp_monitor: start_monitor return OK when connect closed by peer  
* [#9414](https://github.com/apache/nuttx/pull/9414) net/tcp: Add flag for tcp_close to avoid double free  
* [#9262](https://github.com/apache/nuttx/pull/9262) net/tcp: Add NewReno congestion control.  
* [#8782](https://github.com/apache/nuttx/pull/8782) net/tcp: add TCP_MAXSEG support 
* [#9041](https://github.com/apache/nuttx/pull/9041) net/tcp: Fix clear condition in ofoseg input  
* [#9172](https://github.com/apache/nuttx/pull/9172) net/udp: add udphdr definition #9173 if_ether: add ether_arp definition  
* [#9214](https://github.com/apache/nuttx/pull/9214) net/udp: change PKTINFO flag to socket_conn_s struct  
* [#9194](https://github.com/apache/nuttx/pull/9194) net/udp: Remove wrong check in udp_readahead  
* [#8947](https://github.com/apache/nuttx/pull/8947) net/usrsock_server: Improvement on sendto errors  
* [#9139](https://github.com/apache/nuttx/pull/9139) wireless: add IW_AUTH_WPA_VERSION_WPA3 flag to support WPA3  
* [#9113](https://github.com/apache/nuttx/pull/9113) wireless/bluetooth: Initialize private bt_driver_s member.  
* [#9068](https://github.com/apache/nuttx/pull/9068) wireless/bluetooth: Fix the Unexpected ACL flags error  
* [#9087](https://github.com/apache/nuttx/pull/9087) wireless/bluetooth: Fix build error when BT_GATT_CCC is used.  
* [#9471](https://github.com/apache/nuttx/pull/9471) wireless/bluetooth: Add a generic access service.  
* [#9166](https://github.com/apache/nuttx/pull/9166) wireless/bluetooth: Support removable bluetooth modules.  

Compatibility Concerns

Markdown
* [#8827](https://github.com/apache/nuttx/pull/8827) arch/nrf52: nvmc and flash should depends on ALLOW_BSD_COMPONENTS=y  

Users using nvmc and flash must allow BSD components (CONFIG_ALLOW_BSD_COMPONENTS=y).

* [#8992](https://github.com/apache/nuttx/pull/8992) stm32: Remove GPIO_{SPEED|MODE}_xxx and provide a legacy path for lazy migration  

All boards board.h should be migrated using tools/stm32_pinmap_tool.py
`tools/stm32_pinmap_tool.py --pinmap arch/arm/src/stm32h7/hardware/stm32h7x3xx_pinmap_legacy.h --addall --suffix _0 --report /include/board.h
it will output 2 sections that should be used to update the board.h.

* [#9527](https://github.com/apache/nuttx/pull/9527) sched/tls: remove PTHREAD_CLEANUP from Kconfig  

use PTHREAD_CLEANUP_STACKSIZE to enable or disable interfaces pthread_cleanup_push() and pthread_cleanup_pop().
Same as TLS_TASK_NELEM - It is no need to use two variables. Make the reserved entries more explicit

* [#8985](https://github.com/apache/nuttx/pull/8985) drivers/pipe: make pipe and named pipe (mkfifo) POSIX-compliant (blocking open)  

It would be a possible breaking change if any application was written specifically to expect an open for write-only 
(and O_NONBLOCK cleared, of course) to be non-blocking even if there are no readers.
Being able to port POSIX-compliant applications that expect open to block when opening for write-only with no readers
would enhance NuttX's objective of "to achieve a high degree of standards compliance. The primary governing standards 
are POSIX and ANSI standards". That is the case for RTP Tools, for instance.

Security Issues Fixed In This Release

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