Issues

• ESP32-S3 LCD_CLOCKLESS: let the application choose the worker task's core (currently created unpinned at priority 23)

  status: triagetype: feature
  FastLED/FastLED#5001 · Filter by author SuperDaftBros opened on Nov 2, 2026
  1

• ESP8266: speed up generic bit-bang SPI for non-HSPI pins (baseline 1790 µs / 64 APA102 ≈ 1.4 Mbit/s)

  FastLED/FastLED#4966 · Filter by author zackees opened on Oct 31, 2026

• ESP8266 driver coverage: missing engines + replace code-enabling defines with template/linker elimination

  area: driversplatform: esp8266priority: mediumtype: feature
  FastLED/FastLED#4949 · Filter by author zackees opened on Oct 27, 2026

• Audit and retire legacy SPI output paths where the Channel API is the default (follow-up to #4919)

  area: driversplatform: esp32
  FastLED/FastLED#4928 · Filter by author zackees opened on Oct 26, 2026
  1

• Proposal: replace Arduino-ESP32 startup on stock cores so unused Serial0 is not linked (#4892) — needs maintainer decision

  FastLED/FastLED#4911 · Filter by author zackees opened on Oct 23, 2026
  1

• test(esp32,spi): route ChannelEngineSpi through ISpiPeripheral so host tests can cover it

  FastLED/FastLED#4910 · Filter by author zackees opened on Oct 23, 2026

• For ESP32 (Lolin D32): Memory usage is much higher in 3.10.8 vs 3.10.3

  status: triagetype: bug
  FastLED/FastLED#4870 · Filter by author chemdoc77 opened on Oct 20, 2026

• feat(lint): add efficient ESP AST profiles alongside stub checks with verified coverage

  FastLED/FastLED#4829 · Filter by author zackees opened on Oct 13, 2026

• perf(channels): framework redesign for single-driver sketches (post-release, from #4800)

  area: coreplatform: esp32priority: low
  FastLED/FastLED#4822 · Filter by author zackees opened on Oct 9, 2026
  1

• fix(neopixelbus): wire the opt-in adapter without a ClocklessController collision

  FastLED/FastLED#4780 · Filter by author zackees opened on Oct 8, 2026

• fix(mp3): pin codegen audit compiler to prevent cache-dependent regressions

  FastLED/FastLED#4779 · Filter by author zackees opened on Oct 7, 2026
  1

• fix(avr): RGBW examples exceed ATmega8A flash on unchanged master

  FastLED/FastLED#4775 · Filter by author zackees opened on Oct 7, 2026

• perf: resume ESP32 flash optimization with consolidated unity builds (#4707)

  FastLED/FastLED#4771 · Filter by author zackees opened on Oct 7, 2026
  1

• meta(memory): restart footprint comparison with matched Blink without Serial

  FastLED/FastLED#4760 · Filter by author zackees opened on Oct 7, 2026
  4

• AVR: remaining Nano sketch growth vs 3.10.3 (+1.5 KB flash, +137 B RAM) and the RGBW power-estimate opt-in

  FastLED/FastLED#4735 · Filter by author zackees opened on Oct 7, 2026

• Should FASTLED_UNUSABLE_PIN_MASK reserve VDD_SPI on ESP32-C5 (GPIO19) and ESP32-C6 (GPIO27)?

  FastLED/FastLED#4724 · Filter by author zackees opened on Oct 7, 2026

• AutoResearch: move existing platform-specific code behind core APIs

  FastLED/FastLED#4720 · Filter by author zackees opened on Oct 6, 2026

• this looks like the wrong fix for fbuild

  FastLED/FastLED#4715 · Filter by author zackees opened on Oct 6, 2026

• ESP32 (Lolin D32): flash usage 2.5x higher in 3.10.6 vs 3.10.3 (+443 KB flash, +8 KB RAM)

  FastLED/FastLED#4707 · Filter by author zackees opened on Oct 6, 2026
  9

• ESP32-P4: PARLIO emits nothing and LCD_RGB capture truncates at 256 edges in AutoResearch loopback

  FastLED/FastLED#4669 · Filter by author zackees opened on Oct 2, 2026
  1

• Deferred: hardware validation of RP2040/RP2350 and Teensy 4.x slim bridge (#4589, #4617)

  FastLED/FastLED#4623 · Filter by author zackees opened on Sep 25, 2026
  2

• Deferred: PARLIO hardware validation of the slim-bridge ClocklessPARLIO (#4583)

  FastLED/FastLED#4612 · Filter by author zackees opened on Sep 25, 2026

• Meta follow-up: do the non-channel legacy clockless platforms need the slim bridge?

  FastLED/FastLED#4601 · Filter by author zackees opened on Sep 25, 2026
  1

• Meta: convert all legacy addLeds controllers to the slim bridge (all platforms)

  FastLED/FastLED#4580 · Filter by author zackees opened on Sep 25, 2026
  3

• perf(ci): research sub-10% routine Actions usage and full-gated releases

  FastLED/FastLED#4543 · Filter by author zackees opened on Sep 23, 2026
  10