• WS2812B Reset Time Update: Enhanced compatibility with newer WS2812B chipsets
  • Updated default reset time from 50μs to 280μs across all platforms
  • Fixes intermittent issues where only first LED responds to fill_solid() and similar operations
  • Addresses GitHub issue #2067: WS2812B strips showing ~80% failure rate with latest FastLED
  • Updated 18 ARM platform clockless controllers (Apollo3, STM32, SAMD, Teensy, etc.)
  • ESP8266 clockless controller timing updated for better reliability
  • Maintains backward compatibility while supporting newer WS2812B chip revisions
• STM32F4 Support Added: BlackPill STM32F411CE and STM32F4 family support
  • Added STM32F4 platform detection using canonical STM32F4 preprocessor define
  • Full GPIO pin mapping support for WeAct Studio BlackPill V2.0 (STM32F411CE)
  • Consolidated STM32F1/STM32F4 pin definitions to reduce code duplication
  • Added CI testing with GitHub Actions build badge for continuous validation
  • Compatible with PlatformIO ststm32 platform and Arduino framework
• Silicon Labs MGM240 Support Added: Arduino Nano Matter and SparkFun Thing Plus Matter support
  • Resolves GitHub issue #1750: Platform support for MGM240 (EFR32MG24) wireless modules
  • Added complete platform implementation with ARM Cortex-M33 @ 78MHz support
  • Silicon Labs EMLIB integration for optimized GPIO control and clock management
  • Clockless LED controller support for WS2812, SK6812, and other standard chipsets
  • Board definitions for mgm240 target with siliconlabsefm32 platform
  • Added CI testing with GitHub Actions build badge for continuous validation

For a compile environment please see https://github.com/fastled/platformio-starter