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Changelog

FastLED

The FastLED library for colored LED animation on Arduino. Please direct questions/requests for help to the FastLED Reddit community: http://fastled.io/r We'd like to use github "issues" just for tracking library bugs / enhancements.

FastLED/FastLED·

7.3k1.7kC++MIT

·Website

Last updated 4 days ago

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NewJune 16, 2025

FastLED 3.10.0 Released - Animartrix, ESP32-P4, ESP32-S3 I2S improvements

https://github.com/user-attachments/assets/a5dacfe8-c6fb-4917-80ce-c35bc5e0f194

Animartrix now out of beta.
- examples/Animartrix/Animartrix.ino
ESP32
- Esp32P4 now officially supported.
- ESP32-S3 I2S driver is improved
  - It will now auto error on known bad Esp32-Arduino Core versions.
    - Arudino core 3.2.0 is now know to work.
  - Documentation has been greatly simplified and unnecessary steps have been removed.