'cake' option is still missing even on the latest build:
OpenWrt 19.07.5 r11257-5090152ae3 / LuCI friendlywrt-v19.07.5 branch git-20.358.36252-85ff2c9
OpenWrt 19.07.5 r11257-5090152ae3 / LuCI friendlywrt-v19.07.5 branch git-20.358.36252-85ff2c9