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Restores YouTube Studio's Material 2 UI before the Jun 2024 overhaul
This userscript sets an interval that detects any YT Studio element with the "modern" attribute, and removes said attribute for any "modern"-attributed element it detects (except some of the comments ones, bc I tried and the comments page got half-broken with some elements missing the attribute), ultimately restoring the pre-Jun 2024 YT Studio UI. This also adds additional css that fixes up a few elements that may look broken style-wise
Additionally, you can also use this alongside the "YouTube Studio Old Icons" userstyle (not owned by me, credit to ytuserstyles) for a more complete experience with the old icons from pre-Nov 2022
Changelog can be found on the history tab
Update (23 Mar 2026): This script is now deprecated. I've since moved on to this userstyle instead: https://userstyles.world/style/27234/revert-youtube-studio-ui-beta (less-likely to break since it adds styles rather than removing them)
