If they had a fund set up solely dedicated to a complete UI rework, with input from UX designers, I’d consider donating.

You’re talking about different kinds of timelines. It has an animation timeline, you know, for keyframes and stuff. What that other person wants is a timeline for non-destructive edits, like in most CAD programs, where you stack “edit operations”. Difficult to explain if you’ve not used CAD before.

Respectfully, they are.