1) qmk and zsa fork now has changed function `keymap_key_to_keycode` see https://github.com/qmk/qmk_firmware/pull/13286 2) `tmk_core/quantum/keyboard.h` probably moved to `quantum/keyboard.h` 3) 'quantum/rgb_matrix.c' probably moved to `quantum/rgb_matrix/rgb_matrix.c but signature changed drammaticly
keymap_key_to_keycodesee Add support for encoder mapping. qmk/qmk_firmware#13286
tmk_core/quantum/keyboard.hprobably moved toquantum/keyboard.h