Builtin Apps:

• About: show netmask separately, make labels focusable
• AppStore: update BadgeHub.eu URL
• HowTo: new onboarding app with auto-start handling to explain controls
• Settings: add sub-groups of setings as separate apps, including WiFi app
• Settings: add Hotspot sub-group (SSID, password, security)
• Settings: add WebServer sub-group (autostart, port, password)
• Launcher: ignore launchers and MPOS settings (except WiFi)

Frameworks:

• Audio streams: WAV playback/recording improvements (duration/progress, hardware volume control)
• AudioManager: registry/session model, multi-speaker/mic routing, ADC-based mic (adc_mic)
• DownloadManager: explicit certificate handling
• InputManager: pointer detection helpers and board registrations
• SensorManager: refactor to IMU drivers with magnetometer support and desktop IIO fallback
• SharedPreferences: fix None handling
• WebServer: new framework with Linux/macOS fixes and no background thread
• WifiService: hotspot support, IP address helpers, simplified connect/auto-connect
• Websocket library: renamed to uaiowebsocket to avoid conflicts

OS:

• ESP32 boards: bundle WebREPL (not started by default) to offer remote MicroPython shell over the network, accessible through webbrowser - see video demo
• New board support: LilyGo T-Display-S3 (physical and emulated by QEMU)
• New board support: LilyGo T-Watch S3 Plus
• New board support: M5Stack Fire
• New board support: ODroid Go
• New board support: unPhone 9
• Fri3d 2024/2026 updates: display reset support using CH32 microcontroller, communicator/expander drivers
• ADC microphone C module and tests
• Build system: switch to static builds for desktop systems to bundle LIBC and fix LIBC version issue
• Build system: add linux-arm64 and macos-intel GitHub workflows to support more precompiled binaries
• Add FreeRTOS module for low-level ESP32 functions
• Add --optimize-size build flag to reduce internal flash storage usage

What to do:

• To update, open the OSUpdate app and click "Update OS"
• To do a fresh install, use the webinstaller at install.MicroPythonOS.com
• As the API isn't frozen yet, if an app has an issue after the upgrade, then just update it using the AppStore

Autogenerated release notes

• Use a dot-whitelist by @jedie in #36
• Support ODROID-GO by @jedie in #35
• Add initial support for M5Stack-Fire board by @ancebfer in #32
• Clear battery cache in ShowBattery app by @jedie in #37
• Add simple calendar application by @pavelmachek in #38
• Enhance ShowBattery App by @jedie in #39
• Updates for ODROID-GO by @jedie in #40
• Update board/m5stack_fire.py by @jedie in #43
• WIP: New app: "Scan Bluetooth" by @jedie in #58
• Add MPU6886 driver (tested with M5Stack FIRE) by @jedie in #56
• Clean up existing install/symlink before extracting .mpk by @bitcoin3us in #55
• Fix EEXIST errors in zipfile.py during extraction by @bitcoin3us in #54
• Odroid-Go: Unmute+Mute buzzer before/after Playback by @jedie in #52
• imu: Allow access to iio on Linux by @pavelmachek in #45
• waveshare_esp32_s3_touch_lcd_2: Fix soft reset by @jedie in #68
• Fix MPU6886 X-Axis by @jedie in #67
• columns: simple falling-blocks game by @pavelmachek in #63
• weather: start simple weather application by @pavelmachek in #62
• compass: Add an application for magnetometer / accelerometer debugging by @pavelmachek in #61
• magn: Start magnetometer support by @pavelmachek in #60
• Enhance ScanBluetooth app by @jedie in #72
• scan_bluetooth: Display "last seen in sec." and fix timeout by @jedie in #73
• cellular: simple cellular-network example by @pavelmachek in #80
• floodit: simple game by @pavelmachek in #79
• navstar: Simple navigation application by @pavelmachek in #77
• gyro: add gyroscope test/display application by @pavelmachek in #76
• weather: add forecasts, switch to download manager by @pavelmachek in #75
• Add support for unPhone 9 by @jedie in #74
• add a driver for the 2024 and 2026 communicator by @bertouttier in #82
• add fri3d badge 2026 expander driver by @bertouttier in #81

New Contributors

• @jedie made their first contribution in #36
• @ancebfer made their first contribution in #32
• @bitcoin3us made their first contribution in #55
• @bertouttier made their first contribution in #82

Full diff: 0.8.0...0.9.0