New boards

• LilyGO T-Lora Pager
• CYD 2432S028R
• CYD E28R32T

New apps / app features

• New app: Region & Language
• New external app: Calculator
• New external app: GraphicsDemo
• Launcher now has an optional power off functionality (used by T-Lora Pager).
• System Info:
  • Improved layout for memory
  • Added info about available storage
• When external apps fail to start, show an error on the device

Improvements

• Support for encoder wheels
• New drivers: BQ2770, TCA8418, ST7796, BQ25896, DRV2605 (power off only), Xpt2046SoftSpi, EstimatedPower (voltage-based battery status), Axp2101Power
• Fix for GPS init error on device start-up
• LVGL is now an optional feature for displays, paving the way for external non-LVGL displays
• Allow LVGL to be stopped & restarted.
• Introduce 'core' driver concept for LVGL and touch. This allows apps to talk to the hardware directly.
• Fixes for Gui and Statusbar service so they can be stopped & restarted at runtime
• Removed requirement for each lv_textarea instance to register for keyboard events. This now happens automatically.
• Background services now have a State
• Update to ESP-IDF 5.5
• And much more
• Added PropertiesFile concept and refactored various services to use .properties files to read/write configurations (boot, Wi-Fi, etc.)
• Added support for overriding launcher app, and to automatically start an app from the launcher.
• Added support for provisioning boot and WiFi settings from SD card
• Added support for app translations
• All devices with extended ROM capacity are now using this capacity (results in larger /data partition)
• tt::hal::power::PowerDevice now supports device power off
• Xpt2046Touch driver improved
• Dispatcher and DispatcherThread re-written to use C++ instead of C patterns
• PubSub refactored to enforce type safety
• All boards updated to newer code style
• HAL init completely refactored
• ... and much more!
• Development service now saves external apps to /data instead of /sdcard. This fixes issues with devices that don't have an SD card.

TactilitySDK

• Added tt_hal_device_find()
• Added various tt_hal_display_*()
• Added various tt_hal_touch_*()
• Added tt_lvgl_start(), _stop() and _is_started()
• Added tt_app_start(), tt_app_start_with_bundle() and tt_app_stop()
• Added various tt_kernel_*()

Known board issues

• CYD 2432-S024S has a display glitch
• CrowPanel Basic 3.5": GraphicsDemo not working, System Info app doesn't show storage info
• Chat app has UX issues