This userscript will disable and tweak some more of the functionally such as experimental flags and CSS to be modified.
Lite version - https://greasyfork.org/en/scripts/466374
The userscript version of this will disable most of config flags (including ambient mode and animations), prevent autoplay on channel trailers, disable the autopause feature to continue watching videos without touching the mouse/keyboard along with CSS tweaks to it.
Optional scripts was required here:
YT Performance Booster (modified by JTS) - https://pastebin.com/raw/xeuCzE2h
YT Super Fast Chat - https://greasyfork.org/scripts/469878
YT Boost Chat (Mem Leak Fixes) - https://greasyfork.org/en/scripts/520755
Credits goes to the authors who made this userscript (patch collection by AdashimaaTube, de-autoplay channel trailer by Blank, non-stop video playback by q1k and others that suggested by CY Fung and Joey_JTS).
