I like projects like Gemini and QBE that try to keep things simple.
Primitive DSL w evaluation (arithmetic calculator)
Improved handling of builtins
log commands to history file
Add anti-capitalist software license
Use more compatible edition 2018
Add cmds playnext, skip, pause, resume, queue, move, clear
Don't play multiple "play"s over eachother & add cmd "stop"
color correct strips & preamp in audiovis based on base color value
Add command AudioVis to visualise playback audio spectrum
Base procedure color / brightness / etc off of last color
custom UDP protocol & offload FastLED to second core on ESP32
web ui w color picker & esp32 works &