The Zephyr Podcast
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- 13. Nov. 2026
Über den Podcast
A weekly chat about all things Zephyr RTOS—community news, technical discussions, and more.
Folgen 59
The S Is for Secure
Zspot, a Spotify Connect player for Zephyr Arduino Nano XL Link, with Ethernet, CAN FD and RS485 on board NXP's open source Robotics SDK, with PX4, ROS 2 and Zephyr AI reviews for pull requests, now live A …
Shownotes
- Zspot, a Spotify Connect player for Zephyr
- Arduino Nano XL Link, with Ethernet, CAN FD and RS485 on board
- NXP's open source Robotics SDK, with PX4, ROS 2 and Zephyr
- AI reviews for pull requests, now live
- A kernel latency benchmark on the ztest benchmark framework
- AS923 for the native LoRaWAN stack
- An IEEE 802.15.4 sniffer for ESP32, with a Wireshark plugin
- A STUN message codec
- IPv6 preferred over IPv4 in DNS results (RFC 6724)
- TCP window scaling (RFC 7323)
- SRTP for the RTP library
- Dedicated workqueues for subsystems, starting with modem and input
- A provisioning script for ZMS
- TLS keys and CSRs, generated on the device
- Faster 64-bit division on 32-bit targets
- zephyr-lang-rust is now an external module
- An ALSA host audio backend for native_sim I2S
- A Linux i2c-dev controller for native_sim
- Nested interrupts on RISC-V
- Analog Devices LTC3337 fuel gauge
- ASPEED AST2700 EVB, RISC-V BootMCU
- The FOSDEM Embedded & Resource-Constrained OS devroom call for papers, deadline 23 November
111 Picoseconds Later
ST's new STM32G5 series, with Zephyr support in review Nordic's nRF71 series, its first SoC with Wi-Fi 6 on chip An AI review workflow for pull requests (in review), built on the Zephyr review agent heatshrink …
Shownotes
- ST's new STM32G5 series, with Zephyr support in review
- Nordic's nRF71 series, its first SoC with Wi-Fi 6 on chip
- An AI review workflow for pull requests (in review), built on the Zephyr review agent
- heatshrink, a compression library for embedded, as an external module
- A non-atomic bitmap API
- A GPIO strap backend for OTP, to read a board's revision
- Low latency and USB ID lookup for native_tty
- Per-register callbacks for I2C target devices
- Rapid Spanning Tree Protocol for the Ethernet bridge
- NXP FRDM-MCXE32B, dual Cortex-M7
- Seeed XIAO Display Gadgets shields
- The FOSDEM 2027 call for papers, deadline 16 November
HID and Seek
The FOSDEM 2027 call for talks is open, including the Embedded & Resource-Constrained OS devroom (deadline 16 November) What's New in Zephyr 4.5? Linus Torvalds' GuitarPedal, with a Zephyr-based nRF54 radio …
Shownotes
- The FOSDEM 2027 call for talks is open, including the Embedded & Resource-Constrained OS devroom (deadline 16 November)
- What's New in Zephyr 4.5?
- Linus Torvalds' GuitarPedal, with a Zephyr-based nRF54 radio
- CODE_ASSUME() and device identity promises (in review)
- Devicetree node and property sorting, enforced by dts-linter
- Setting up NAT on the host for Internet access
- L2-only Ethernet builds, without IP (in review)
- A libFuzzer harness for the DHCPv4 server
- The KR920 region for the native LoRaWAN stack
- A Bluetooth HID Service
- A virtual HCI controller over Unix sockets (in review)
- AMS AS7341 11-channel spectral sensor
- TDK InvenSense ICM-20948 9-axis IMU
- AXS5106L touch controller (in review)
- A native_sim fuel gauge backed by your laptop's battery
- An LED strip cache driver
- Seeed XIAO nRF52840 (Sense) Plus
- ADI-based MikroE Click shields
- PineDio USB-C Zigbee dongle, with a Bouffalo Lab BL706
- Upcoming Zephyr meetups
Assisted-By: Nobody
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 …
Shownotes
- 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
Safety Glasses Not Included
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 …
Shownotes
- 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
Live from Prague
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 …
Shownotes
- 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
Fifteen Million Amps
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 …
Shownotes
- 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
Long-Term Support, Short-Term Freeze
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 …
Shownotes
- 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
The Off-Highway Kite
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 & …
Shownotes
- 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
Caught Sleeping at Work(queue)
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 …
Shownotes
- 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
An RTOS for Ages Two and Up
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 …
Shownotes
- 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
150,000 Commits Later
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 …
Shownotes
- 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!
UBSan, ASan, and the Other San
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 …
Shownotes
- 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
From BIOS to BioZ
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 …
Shownotes
- 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
Two Hundred Pull Requests Later
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 …
Shownotes
- 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
Make Love, Not (Trade) War
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 …
Shownotes
- 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
Github vs. Raspberry Pi in a Closet
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 …
Shownotes
- 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
Pick Your (Memory) Poison
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 …
Shownotes
- 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
The "K" That Saved 30K
snprintk() vs. snprintf() Linux 7.2 drops strncpy() Steam Machine teardown, and another kite spotted inside SPDX 3 SBOM support lands in Zephyr, a day before it merged in the Linux kernel. Web-based SPDX 3 …
Shownotes
- snprintk() vs. snprintf()
- Linux 7.2 drops strncpy()
- Steam Machine teardown, and another kite spotted inside
- SPDX 3 SBOM support lands in Zephyr, a day before it merged in the Linux kernel.
- Web-based SPDX 3 visualization tool, for browsing the dependency graph, sources, licenses, ... from your SBOM.
- Standalone UF2 USB MSC bootloader
- Where double-tap reset actually came from (Arduino, around April 2015, on a SAMD21 board)
- Ghost edge AI sticker, a flexible nRF54L15 PCB with vibration and temperature sensing
- GigaDevice ramping up their Zephyr efforts
- Twister post-build checks flag stray Git repos pulled in during CI
- A WCH QingKe Debug Module console driver, single-pin printf-style logging in the spirit of Arm SWO
- scoped_guard() and scoped_cond_guard(), Python-with-style auto-releasing locks for C
- ZMS' interactive storage calculators
- UDP logging backend for coredump
- MikroElektronika Two Wire ETH Click, a tiny 10BASE-T1S single-pair Ethernet shield
- Four new ST B-M2MEM-PACK1 M.2 memory packs, hexa/octa-SPI flash and RAM on an M.2-style connector
- TI AM243x-EVM, Sitara with dual R5 clusters, a Cortex-M4, gigabit Ethernet, EtherCAT, and PCIe
- One last nudge to fill out the Zephyr Developer Survey before it closes!
Join us on Discord! // #podcast at https://chat.zephyrproject.org
FIDO2 Comes to Zephyr
The Orange Pi 6, a 12-core Cortex-A720 SBC, maybe powerful enough for hardware-in-the-loop CI Shell command chaining with && A VirtIO input driver bringing touch, mouse, and keyboard to QEMU A FIDO2/CTAP2 …
Shownotes
- The Orange Pi 6, a 12-core Cortex-A720 SBC, maybe powerful enough for hardware-in-the-loop CI
- Shell command chaining with &&
- A VirtIO input driver bringing touch, mouse, and keyboard to QEMU
- A FIDO2/CTAP2 authenticator subsystem, with a button-press sample
- A native u-blox M10 GNSS driver
- A Linux LED native_sim driver that maps host LEDs to Zephyr LED devices
- Hardware JPEG encoding on STM32 H7/H5/U5
- A native LR1121 LoRa driver, sub-GHz and 2.4 GHz
- Ebyte E80 node and EORA hub gateway, both LR1121-based
- The Arm Corstone-1000 A320 FVP (the chip, not the Airbus)
- The MuseLab nanoCH32V317, RISC-V with on-chip Ethernet PHY and high-speed USB
- The BeagleConnect Zepto, a tiny MSPM0 Click carrier
- Several new CAN boards from CANmodule
- The nRF54L15 Tag, coin-cell-sized with dual antennas and Bluetooth channel sounding
- A reminder to fill out the Developer Survey and send topics for ZDS in Prague:
Join us on Discord! // #podcast at https://chat.zephyrproject.org
The Native Sim-phony
Linus' guitar pedal project, and why it clearly needs Zephyr next RISC-V Summit Europe recap: QEMU, custom instructions, DSPs, and low-power cores ETM tracing, CoreSight, and "time-travel" debugging Testplan v2 …
Shownotes
- Linus' guitar pedal project, and why it clearly needs Zephyr next
- RISC-V Summit Europe recap: QEMU, custom instructions, DSPs, and low-power cores
- ETM tracing, CoreSight, and "time-travel" debugging
- Testplan v2 for faster, smarter CI
- CMake unity build experiments
- ESP-NOW broadcast sample and ESP32 WPA Enterprise support
- Realtek Ameba Wi-Fi support
- BCM2711 framebuffer driver for Raspberry Pi
- native_sim DMIC and I2S file backend for audio testing
- DMIC shell
- nPM10xx LED driver and fake LED controller
- ARMv8-A AArch32 execution state support
- DPLPMTUD probe tracking for QUIC
- Neighbor Awareness Networking, aka Wi-Fi Aware
- Experimental Model Context Protocol support
- Mutex misuse detection and reverse iterable sections
- Himax HX8353E display driver
- New shields and boards: MikroElektronika EERAM 3.3V Click and Armfly STM32H743XIH6
- Upcoming Zephyr meetups and developer survey reminder
Join us on Discord! // #podcast at https://chat.zephyrproject.org
The Year of the Zephyr Router
A reminder to fill out the Zephyr Developer Survey 2026 before it closes at the end of June. Thanks in advance! iBattery SDK, a Zephyr-friendly battery intelligence layer with software-side state-of-charge …
Shownotes
- A reminder to fill out the Zephyr Developer Survey 2026 before it closes at the end of June. Thanks in advance!
- iBattery SDK, a Zephyr-friendly battery intelligence layer with software-side state-of-charge experiments
- ZMK coredump experimentation using coredump subsystem flash backend for persistent post-crash diagnostics
- Fresh documentation for iterable sections
- ESP32 power-down support for better CPU and peripheral power management
- The board catalog can now expose and search by RAM and flash size
- IPv4 NAT support
- min-len/max-len properties for better Devicetree binding validation
- A generic charlieplex LED matrix driver
- Color dithering support for palette-backed displays, including six-color e-paper panels
- X-NUCLEO-WBA25A1, a Bluetooth 6 expansion shield with UART/SPI HCI options
- QEMU Arm Cortex-A72 support for Raspberry Pi 4-style emulation work
- ArduCam Mega SPI Camera Shield
- M5Stack PaperColor, with a Spectra 6 full-color e-paper display and PMIC support
- nRF93M1 DK, a compact Nordic LTE Cat 1 bis development kit
- ESP32-P4 support landed, with ESP32-P4-Function-EV-Board as the first board supported
- Analog Devices Low-Speed Mixed-Signal Playground for ADC/DAC-heavy analog experiments
- Linus Torvalds' GuitarPedal project
- USB2CANFDV2, a tiny WeAct USB-to-CAN-FD board with isolated CAN
- Submit ideas for the Zephyr Workshop 2026, and one more nudge to fill out the developer survey :)
Join us on Discord! // #podcast at https://chat.zephyrproject.org
Beep Boop, Fastboot
Please take 5-10 min to fill out the Zephyr Developer Survey if you haven't already! An Ada runtime for Zephyr Composite fuel gauge support for battery estimation without a dedicated fuel-gauge IC Golioth's …
Shownotes
- Please take 5-10 min to fill out the Zephyr Developer Survey if you haven't already!
- An Ada runtime for Zephyr
- Composite fuel gauge support for battery estimation without a dedicated fuel-gauge IC
- Golioth's local shell talks SMP to devices over Web Serial, with a live demo at local-shell.golioth.dev
- USB Fastboot support in the works
- ESP32-P4 support coming, because apparently ESP32 can also mean "no Wi-Fi"
- The new buzzer subsystem, and thoughts on RTTTL-style ringtone playback
- DT_NODELABEL_C_TOKEN, for retrieving devicetree node labels as C tokens
- West snippets, including listing and shell completion support
- TAD2144 TMR angle sensor driver
- TMP451 temperature sensor driver, including remote temperature sensing use cases
- ESP32 I2C target mode support
- Nordic USBHS and BC1.2 battery charging support
- AD5529R high-voltage DAC shield
- LilyGO T-Deck support, a keyboard-and-display ESP32-S3 LoRa device
- Oh, did we mention the Developer Survey?
Join us on Discord! // #podcast at https://chat.zephyrproject.org
The Zephyrtastic Episode
Build there, flash here workflow for remote builds and local flashing A Zephyr-native Meshtastic stack, with LoRa, Protobuf, GNSS, sensors, MQTT and more minmax.h cleanup for the new lowercase min/max macros …
Shownotes
- Build there, flash here workflow for remote builds and local flashing
- A Zephyr-native Meshtastic stack, with LoRa, Protobuf, GNSS, sensors, MQTT and more
- minmax.h cleanup for the new lowercase min/max macros
- Min/max constraints for devicetree binding properties
- BCM2711 mailbox controller support for Raspberry Pi
- nsim_mount, a native_sim filesystem for mounting host directories
- A new DALI lighting subsystem
- DT_DESCENDANT_NUM_ON_BUS devicetree helper
- CS40L26/27 haptic driver support
- Titan Micro TM6605 LRA haptic driver
- LP586x I2C LED matrix driver
- New and updated boards: Arduino Nesso N1, Wio Tracker L1, W6100-EVB-Pico2, KC868-A8
- The Zephyr Developer Survey 2026 is open!
- The Documentation Working Group RFC and Robotics WG have been created
- Upcoming Zephyr meetups in London, Wrocław, Vienna, Sapporo, Lyon, and more
Join us on Discord! // #podcast at https://chat.zephyrproject.org
My IPv6 Mouse Runs SSH
Search boards by available RAM/Flash in the board catalog. New Documentation Working Group RFC The very important days without GitHub incident counter Daniel Stenberg on curl, AI reports, and high-quality chaos …
Shownotes
- Search boards by available RAM/Flash in the board catalog.
- New Documentation Working Group RFC
- The very important days without GitHub incident counter
- Daniel Stenberg on curl, AI reports, and high-quality chaos
- Mythos finding a curl vulnerability
- Shell alias support
- A proposed buzzer subsystem for portable beeps and tones
- Reversing devicetree dependencies for tricky initialization-order cases
- HTTP/3 server support on top of QUIC
- SSH support, including a shell backend
- IPv4 routing support in Zephyr's networking stack
- MMIO latch GPIO driver
- New boards: Pico Ultra, Trenz Electronic TE0950, SC-OBC Module V1, and Heltec T114 v2
- Don't forget the CFP for Zephyr Developer Summit / Open Source Summit Europe!
Join us on Discord! // #podcast at https://chat.zephyrproject.org
Smart Amps and Smarter Docs
Valve publishes Steam Controller 3D files and STEP/STL models The weekly "is GitHub broken?" weather forecast cpu_freq thermal cap constraints for runtime frequency scaling GPIO keys shutdown behavior and …
Shownotes
- Valve publishes Steam Controller 3D files and STEP/STL models
- The weekly "is GitHub broken?" weather forecast
- cpu_freq thermal cap constraints for runtime frequency scaling
- GPIO keys shutdown behavior and low-power pin handling
- Twister multi-DUT testing for coordinated tests across multiple devices
- DEVICE_API_EXTENDS for devices exposing multiple APIs
- More options for HTTP client shell commands
- TAS2563 I2S smart amplifier driver
- FDC1004 4-channel capacitance sensor
- Renesas SLG47910 FPGA driver
- Kapa.ai chatbot now live in the Zephyr documentation
- New shields and boards: M5Stack Unit Gesture, Arduino Nesso N1, Tomu, XIAO ESP32C5, FlySky FS-i6S, Alif Balletto B1, and reTerminal E1003
- CFP is open for Open Source Summit Europe / Zephyr Developer Summit
Join us on Discord! // #podcast at https://chat.zephyrproject.org
Press Any Kite to Start
Linus Torvalds merges a 138k lines-of-code removal in Linux networking Highlights from Git 2.54, including git history, split, and replay WPA3 support for AIROC and nRF Wi-Fi Valve's new Steam Controller …
Shownotes
- Linus Torvalds merges a 138k lines-of-code removal in Linux networking
- Highlights from Git 2.54, including git history, split, and replay
- WPA3 support for AIROC and nRF Wi-Fi
- Valve's new Steam Controller teardown, with Zephyr spotted in the firmware
- Mapped partitions and ranges cleanup
- Mermaid diagram support for Zephyr documentation
- A new fixed-size FIFO implementation
- Remote shell clients support
- Silergy SY6974B 3A single-cell charger driver
- EL073TF1 Spectra 6 color e-ink display support
- Sensylink CHT8315 temperature and humidity sensor
- PAC194x multi-channel power monitor
- Generic GPIO bitbang PWM driver
- New boards: Sipeed M1S Dock, Sipeed M0Sense, and XIAO ESP32C5
- Zephyr 4.4's Bluetooth LE Host qualification
- Upcoming events: RISC-V Summit Europe and Open Source Summit North America
Join us on Discord! // #podcast at https://chat.zephyrproject.org
More Architectures Than IPs
Yes, seriously: an IETF draft for IPv8 More Zephyr-adjacent goodness in Framework hardware, with ZMK powering the new keyboard Windows 9x for Linux, because running a Linux kernel as a Windows 95 application is …
Shownotes
- Yes, seriously: an IETF draft for IPv8
- More Zephyr-adjacent goodness in Framework hardware, with ZMK powering the new keyboard
- Windows 9x for Linux, because running a Linux kernel as a Windows 95 application is apparently a thing
- ST's beefy STM32H7RS "boot flash enabled" Cortex-M7 MCU
- PebbleOS on Zephyr, spotted via Adafruit
- OpenDeck, a Zephyr-based hardware and software platform for MIDI controllers
- New processor architectures coming: TriCore and Hexagon
- A lightweight serial IPC backend using COBS
- PTP IEEE 802.3 transport support lands after a thorough review cycle
- HTTP/3 support follows up on the recently merged QUIC work
- A proposed Robotics Working Group for Zephyr
- A kinematic tree subsystem RFC for modeling robotics-style mechanical structures
- Seeed Studio's COB LED driver board support
- Shell aliases for taming long Zephyr shell command hierarchies
- An overhaul of testplan discovery on pull requests, with hopes for faster and more accurate CI
- The e-ink-powered BeagleBadge board
- CRSF remote controller support for drones, rovers, and other robotics use cases
- A native LoRaWAN backend, including OTAA and Class A support
- The AD-APARDPFW-SL shield for single-pair Ethernet experiments
- ADP5360 PMIC support, showing another nice multi-function device integration
Join us on Discord! // #podcast at https://chat.zephyrproject.org
Flying Kites, Planes, and Canaries
Zephyr 4.4 release video is out Zephyr 4.4 on r/embedded The Raspberry Pi's 15-year reign may be ending, according to this piece on How-To Geek GitHub's stacked PRs workflow A Serial MIDI 1.0 UART module for …
Shownotes
- Zephyr 4.4 release video is out
- Zephyr 4.4 on r/embedded
- The Raspberry Pi's 15-year reign may be ending, according to this piece on How-To Geek
- GitHub's stacked PRs workflow
- A Serial MIDI 1.0 UART module for Zephyr
- Native SSH support in the works
- CoAP over TCP support under discussion
- CoAP sample improvements
- HTTP client shell commands
- TLS persistent session cache via settings
- Remote CPU shell client
- Clang thread safety analysis
- Smaller, randomized canaries
- ISR table size optimization
- Debug, debugserver, and flash support for the QEMU runner
- LoRa native support for radio duty cycling
- reTerminal E1001 board
- M5Stack Unit Mini OLED shield
Join us on Discord! // #podcast at https://chat.zephyrproject.org
More Drivers Than (Neo)Pixels
CMake library dependencies. Audio coming to native simulator GPIO fast path GPIO_GET_REGS Espressif RMT driver STM32 PWM + DMA for WS2812 MMIO API compliance check — checks to improve MMIO API compliance …
Shownotes
- CMake library dependencies.
- Audio coming to native simulator
- GPIO fast path
- GPIO_GET_REGS
- Espressif RMT driver
- STM32 PWM + DMA for WS2812
- MMIO API compliance check — checks to improve MMIO API compliance.
- WallaBMC
- OSSNA schedule is live
- LF Energy Summit Europe CfP
- Embedded World NA 2026 CfP
Join us on Discord! // #podcast at https://chat.zephyrproject.org
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