I'd guess @peekay123's fast version of
RGBMatrixPanel lib might be affected, but definetly my PR for that lib with some slightly faster single port access is affected.
BTW: What would be a compiler
#define to distinguish between
PARTICLE_PHOTON and will the existing
SPARK define be deprecated soon and be changed into
If so, there will be loads of libs that make use of
#ifdef SPARK (e.g. my own