"May 21, 2026", meh. And it's more microscopic tweaks of UI elements. How about blocking unwanted audio intrusions (not just "autoplay" but all audio) from obnoxious sites? Making reader mode way more aggressive? Shutting down site scripts that bog down your computer? I.e. stuff that makes material difference to users.
Anyway it could be a lot worse. It's gotten so that every time I see Mozilla announce an "improvement" I expect the opposite.