Hidden Menu,Grok,Premium subscription,Verified Orgs,other,Explore,Notifications,Messages,Communities,Bookmarks,Right Column, Muted Account Notices and Customizable Settings
< Feedback op X/Twitter Clean menu and sidebar (Supports multiple language)
It's not me
I am using this userscript & I've seen some new/cool style design enabled across twitter for few days earlier; now it seems to have vanished. Is that related to your script?!