• Load all videos — floating button that keeps loading feed items until the list ends
• Multi-select — checkboxes and Shift+range select, with Save to playlist and Watch later
• Scroll buttons — jump to top/bottom or move about one screen up/down with a floating pill
• Playlist feed columns — set how many playlists show per row on Your playlists
• Open playlist videos without the playlist
• Show channel and upload time on Shorts cards
• Shorts playback speed — duration under each speed, remember speed, and a speed & watch-time overlay with optional toggle
• Shorts player controls — keep progress and elapsed / remaining time visible when Shorts chrome hides
• Hide playlists, podcasts, members-only, movies, and channel cards — per page or everywhere
• Hide YouTube Labs in the sidebar

• Auto Theater mode — always open watch pages in theater (wide) mode; optionally remember Theater button toggles from the player
• Open Shorts in the normal player — always rewrite Shorts links to /watch, or add “Open in normal player” on Shorts cards and menus
• Keep the Save to… sheet open after each playlist toggle for multi-save; optional Done button in the header
• Add Save to Watch later and Save to playlist on Shorts shelf menus; one-click Watch later on the Shorts player More menu
• Only show one row of Shorts on Home and Subscriptions
• Sidebar customization for signed-out layouts, including Sign-in promo hide and updated Explore links (Hype, Playables, Memberships)