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OpenDial, a DIY surface dial and hi-res scroll wheel running Zephyr FOSDEM 2027 will have an Embedded & Resource-Constrained OS devroom Linux kernel developers plan to drop the Assisted-by tag requirement Clang Thread Safety Analysis for the kernel (in review) A proposed basic_radio driver API for packet radios, from TI Per-register callbacks for I2C target devices (in review) The WCH CH446 analog crosspoint switch Jumperless V5, and its creator on Embedded.fm 532 Ollama, for running open models locally Zsign, an encrypted key vault for signing MCUboot images The Zephyr meetup in Dublin, 29 October

Zephyr support coming to PX4 (open source drone autopilot) The Gboard Conveyor Belt Version, from Google Japan The Framework Wireless Touchpad Keyboard is up for pre-order, with an nRF54LM20 and ZMK Muse Gadgets, ESP32 and Raspberry Pi devices for Meta's Muse agent Zephyr on the Nokia N900, by Anas Nashif An OpenAI engineer arrested for allegedly bugging an executive conference room with an ESP32-S3 board Zephyr moves to LVGL v9.6 New net_buf documentation, with diagrams Tests for the LoRa shell, with a fake LoRa driver Networking throughput changes reported on pull requests Memref, memory reference counting (in review) A text terminal on the display for the console, logs and shell (in review) A proposed relay subsystem The Zephyr meetup in Dublin, 29 October

The first Zephyr Maintainers Forum The Zephyr Community Awards winners Zephyr Network Buffers, Johan Hedberg Fake Drivers: A Practical Guide To Zephyr Test Doubles, Henrik Brix Andersen Where Zephyr Fits in Space Computer Architecture and From TTEthernet To TSN on Zephyr, Yasushi Shoji Network Subsystem Status and Overview, Jukka Rissanen USB Development and Testing on Native Simulator, Johann Fischer A Generic RF PHY Driver API for Proprietary Protocols in Zephyr, Sean Lyons Libiio on Zephyr, Maureen Helm and Pete Johanson Linus Torvalds in conversation with Dirk Hohndel A Native API for Linux Systems With Systemd + Varlink, Lennart Poettering The Framework Wireless Touchpad Keyboard, running ZMK Next stop: Vancouver, May 2027

Three picks from the ZDS schedule: USB Development and Testing on Native Simulator, Network Subsystem Status and Overview and From Zero Hardware To Production: High-Performance Sensors With Zephyr TI and Infineon upgrade to Platinum membership Git 2.56 adds git history drop CMSIS-Zephyr, examples for the Arm CMSIS Debugger and Keil Studio with Zephyr Price increases for the 2GB Raspberry Pi 4 and Raspberry Pi 5 Zephyr's hardening tool gains in modularity and provides clearer recommendations ns_to_cyc_at_hz(), compile-time nanoseconds to cycles at a given frequency Generic reference-counted objects A Coccinelle script for migrating to ZASSERT The MediaTek Genio 700 and Genio 510 EVKs, with Zephyr on a Cortex-A55 WisBlock platform support The Pebble Round 2, a SiFli SF32LB52 smartwatch with a round display The M5Stack StackChan, an ESP32-S3 desktop robot The network conformance suites now run nightly iperf3 support in zperf fota_http, firmware updates over HTTP(S) into MCUboot USB host hub class support An MCX backend for the SWD bit-bang driver The native_sim video source is merged A driver for the TSM12 capacitive touch sensor The TI TPS62873, a stackable 15 A buck converter The ST VL53L5CX multizone time-of-flight sensor GFSK modulation for LoRa transceivers

Canonical's Zephyr 26.04 LTS, with up to 15 years of security maintenance The Zephyr docs assistant, also available as an MCP server for your editor Raspberry Pi locks boards to their factory RAM capacity mpipe gains player utilities and base plugins A native_sim video source A semihosted flash driver, backed by a file on the host A LIN driver API FIDO2 over BLE DMA2D direct rendering on all applicable STM32 families A driver for the ADS1262 and ADS1263 32-bit ADCs The ADV7535 MIPI DSI to HDMI bridge ZASSERT, a per-file / per-module assertion facility The network stack tested against the standards with TTCN-3 An SNTP server library A native_sim Wi-Fi driver using the host's nl80211 TCP now reports received data with SACK The Tang Mega 138K Pro Dock, a Gowin FPGA with a hard RISC-V core The embedded world Conference call for papers closes 28 September

Three more picks from the ZDS schedule: A Generic RF PHY Driver API for Proprietary Protocols, Where Zephyr Fits in Space Computer Architecture, and Playing Audio on a SoC DAC Output An RFC for an Automotive & Off-Highway Working Group, comments welcome USBTMC, the USB test and measurement class native_sim on macOS Qualcomm Hexagon, the DSP in your Snapdragon, is now an architecture Zephyr supports So is Infineon TriCore and AURIX A multimedia pipeline subsystem Build-time device class enumeration: ask devicetree for every device of a given class in one macro A generic emulated sensor Deep sleep and suspend-to-RAM on the RP2350 An NVMEM backend for hwinfo The  Infineon T2G-C2-D-6M, a dual Cortex-M7 plus M0+ aimed at head-up displays The ZedBoard, a Zynq-7000 FPGA monster The DHSBC STM32MP255C: dual A35, M33 and M0+, 4 GB of RAM and Wi-Fi 6 The BeagleBone AI-64, dual A72 plus a Cortex-R for Zephyr The Shrike-fi, an ESP32-S3 next to a Renesas FPGA The XIAO STM32C5, a 144 MHz M33 in the small XIAO footprint

Three picks from the ZDS schedule: Ten Years of Zephyr: Replace Linux, or Work With It?, Zephyr Network Buffers, and the Linus Torvalds keynote Analog Devices to acquire Alif Semiconductor A Plantower PMSA003I driver, for PM1.0, PM2.5 and PM10 over I2C QEMU support for the Espressif DevKitC boards SMP freeze/thaw in coredump, capturing every CPU's registers at panic Modbus RX on a dedicated workqueue, so it stops sleeping in the system one A script to convert CTF traces to Perfetto, no Babeltrace required USB host mass storage, still in progress Power management for the STM32U3 WebAssembly Micro Runtime is now documented as a Zephyr module An ADIN1140 driver: single-pair Ethernet, MAC and PHY in one part, over SPI The Arduino Nano R4, a Cortex-M4 in the classic Nano footprint

The Dato DUO and the Teenage Engineering catalogue: lovely open-firmware noise machines that do not run Zephyr ...yet! Using the pytest harness in Twister to coordinate a device under test with its jig Seven new Silver members, and roughly 500 unique contributors to the tree last month Arduino Core for Zephyr reaches 1.0, running on Zephyr 4.4.1 The Zephyr Maintainers Forum agenda is out SPI now using inclusive language A VirtIO I2C adapter driver A Pugh skip list timeout backend The SDL input driver now reports the mouse wheel and extra buttons TFTP shell support Applets, a proposed subsystem for startable, stoppable sub-applications S1G bands and bandwidths (Wi-Fi HaLow) The UDOO KEY now supports its RP2040 as well as its ESP32 ROSCon in Toronto, and the Zephyr robotics working group Six Zephyr meetups over the next month: Amsterdam, Zurich, Stuttgart, Moonachie, New Jersey, Munich and Bucharest

Pre-orders open for the Arduino VENTUNO Q, and what $300 actually buys you 150,000 commits in main, and 1,455 PRs merged in August against 700 a year ago Create your own debug adapter with custom hardware and almost no code A VirtIO block disk driver, with a VirtIO GPIO driver close behind An I2C target register-set library, with a fake TMP103 to go with it west spdx --init is no longer necessary pulse_io, a vendor-neutral timed-edge IO subsystem A twister console monitor for watching parallel test runs TI Tiva C series support The STM32WL3x series: a Cortex-M0 with a sub-GHz radio and 16-bit IQ access RP1 pinctrl for the Raspberry Pi 5, an SoC with two independent pin controllers The MikroElektronika DALI 2 Click shield ESP32-C61 series support Espressif's QEMU fork and its targets for the ESP32, C3 and C6 Please nominate someone for the Zephyr Community Awards!

We're back from the summer break, with three weeks of PRs to catch up on Listener follow-up: the Microchip XC32 compiler is now free Nominations still open for the Zephyr Community Awards The 2026 RTOS Performance Report: more RTOSes, more targets, Zephyr most improved PINE64 pauses Linux board production until RAM prices drop Linux staging now rejects LLM-generated patches Rust's AI policy: nobody but the author has to read LLM output GCC analyzer, ASan, UBSan and LSan in the daily scheduled scans Zephyr Desktop, a Windows-95-style GUI with llext apps and Minesweeper A Linux temperature native_sim driver for host hwmon sensors A generic mux control API, with a driver for the ADGM3121 MEMS switch Minimum CMake version bumped to 3.28 A generic tickless system-timer core shared across SoC timer drivers zperf loopback throughput checks for networking benchmarks DHCPv6-PD prefix delegation for Zephyr gateways K_MSGQ_DEFINE_STATIC and K_MSGQ_DEFINE_TYPE for file-local message queues LwM2M is spelled with a lowercase w! An i2c-tiny-usb sample that turns a USB+I2C board into a Linux I2C dongle New boards: nRF7120 DK, UDOO KEY, MaTouch MTRO128G, Olimex ESP32-P4-PC, DECT NR+ USB Dongle, STM32H7 HDMI Board, X-NUCLEO-PGEEZ1

A 150 MB Copilot CLI binary accidentally committed to the FreeBSD ports repo Microchip acquires Hailo and its edge AI vision accelerators Arduino Core on Zephyr hits 0.90.0 and officially leaves beta Keychron kicks off an open source initiative with a Zephyr-based open source gaming mouse firmware on the way Developer Survey 2026 results Nominations are open for the Zephyr Community Awards (nomination form) Claude for Open Source Zephyr Developer Summit schedule m68k architecture support set_assignees overhaul that now notifies people who recently changed the code you are touching The peripherals documentation is now grouped into categorized cards instead of one flat list Per-interface allow/deny for the mDNS responder on multi-interface systems Wi-Fi mesh support for ESP32 TMC6460 BLDC/FOC motor controller driver Broadcom GENET gigabit Ethernet driver OSCORE support for CoAP MAX30009 bio-impedance analog front end New boards: ESP32-P4-WIFI6-Dev-Kit, CH32H417EVT, RH02 Plus, MIMXRT700-EVK We are taking a short summer break and will be back in a few weeks! Join us on Discord! // #podcast at https://chat.zephyrproject.org

A refreshed Zephyr merge list with clearer status indicators, filtering, mobile support, and built-in guidance A redesigned documentation page for the list of Zephyr services, grouping Zephyr's many capabilities into visual categories The hwsim virtual Wi-Fi driver for testing access points, scanning, authentication, and connectivity on native_sim Multi-toolchain Twister builds, including GCC and LLVM coverage for the same platform A new Twister host-sidecar concept for automatically managing processes such as virtiofsd during tests Microchip XC32 toolchain support for Zephyr builds SSH channel support for carrying additional data streams over an established connection A TI TDP2004 DisplayPort and HDMI redriver driver The X-NUCLEO-67W61M1 Wi-Fi 6 shield based on the ST67W611M1 coprocessor Native RTP media transport support, with an audio streaming sample Portable per-controller I2C timeouts using zephyr,transfer-timeout-ms Runtime zbus channel creation and registration for dynamic modules such as LLEXT extensions Quectel BC66 and BC660K NB-IoT modem support, including socket offload and power-management hooks New platforms: the TI AM13E230X LaunchPad, MPS3 AN536 Cortex-R52, and the STM32H7 Renode Reference Platform Join us on Discord! // #podcast at https://chat.zephyrproject.org

Linus on AI tooling for kernel development, sparked by the Patchwork/Sashiko discussion A new timeout management benchmark Doxygen top-level group cleanup and a new CI check to keep stray groups out dependency-mode devicetree property key for reversed initialization dependencies TLA2528 combined ADC and GPIO expander driver ADIS16470 ruggedized IMU driver (a 400 € component!) LLEXT support for OpenRISC New boards: Heimann HTPA thermal camera eval board, M5Stack StickS3, Ganga SoC Zephyr Tech Talk next week: Evaluating the Real-Time Behavior of Zephyr Systems Join us on Discord! // #podcast at https://chat.zephyrproject.org

Device filesystem for /dev-style access and Linux portability CDAC THEJAS32 RISC-V support Proposed fan subsystem Twister preferred_toolchain support for better LLVM coverage (among other things) Initial DWC2 USB host controller support Pouch, portable data across devices, gateways, and transports A trigger.py workaround for delayed GitHub Actions schedules Microchip SmartFusion2 FPGA + SoC support The RISC-V WCH CH32V103EVT board A Bouffalo Lab BL61x Wi-Fi driver HS400 enhanced strobe support for eMMC A new I2S shell for audio testing and tone generation AMD Zynq UltraScale+ MPSoC support New boards: Radxa ROCK 3B and Adafruit TRRS Trinkey A per-test coverage matrix dashboard Upcoming Tech Talk on evaluating the real-time behavior of Zephyr systems Join us on Discord! // #podcast at https://chat.zephyrproject.org

New Zephyr RTOS Cookbook from Roy Jamil and Ayoub Bersheela (AC6), now on Amazon in print and e-book Git 2.55: one-step commit fixups, auto-stash on checkout, and remote groups for fetch and push Linux kernel debating the Assisted-by: tag Address Sanitizer memory poisoning to catch use-after-free, buffer overflows, and unallocated access Lightweight heap write sanitizer for sys_heap rpmsgfs filesystem for mounting remote-core directories over RPMsg MAINTAINERS file "deferral" so driver changes reach the actual driver maintainer, not just the subsystem owner Revamped tracing sample with cross-OS terminal viewer rendering traces on the fly Hall-effect flow meter driver STG-800 lococube mini-PLC (24 V, CAN, and a rugged enclosure) FeatherWing MAX3421E shield (USB host and device over SPI) XIAO nRF54LM20A MIMXRT685-AUD-EVK, an audio-focused NXP crossover MCU with HiFi DSP RA8P1 Titan: a Cortex-M85 beast with dual gigabit Ethernet, MIPI DSI/CSI, and a Raspberry-Pi-style header Check out Zephyr Tech Talk next week (https://github.com/golioth/pouch) Join us on Discord! // #podcast at https://chat.zephyrproject.org