04-12-2019 - Add AltGr/RALT support to Send String (qmk#4046)   
04-12-2019 - Port DIRECT_PINS from split_common/matrix.c to matrix.c (qmk#5091)   
04-12-2019 - Enhancement for Eager debouncing (and Ergodox EZ host sleep fix) (qmk#5621)   
04-16-2019 - Fix logic for Combo feature (qmk#5610)   
04-16-2019 - Fix info.json for Ergodox EZ   
04-16-2019 - Add support for WS2812 based RGB Matrix   
04-18-2019 - Fix Eager Per Row Debouncing bug  
04-22-2019 - Init RGB Matrix EEPROM when EEPROM range is defined  
04-22-2019 - Make sure NOBITS is set on reset_key   
04-22-2019 - Improve Mousekey constant speed mode  
04-22-2019 - Add new reactive modes (wide, cross, nexus) for RGB Matrix  
04-22-2019 - OLED Driver Features  
04-22-2019 - Add Split RGB support  
04-24-2019 - fix LIB_SRC and QUANTUM_LIB_SRC for ARM  
04-24-2019 - Add RGB Split fixes and RGB Names  
05-05-2019 - Add `LINK_TIME_OPTIMIZATION_ENABLE` to enable LTO and disable problematic features that cause LTO to fail