Greasy Fork

• Fixed layout issues in Home and Subscriptions on desktop when videos are hidden (due to YouTube's new grid implementation)
• Removed the fillGaps option for desktop, as it's no longer needed with YouTube's new grid implementation

hideSuggestedSections:

• Fixed Shorts being hidden in Home
• Fixed Recommended playlists not being hidden when viewing a Playlist

• Fixed hiding watched videos, streams and VODs, and hidden channels in Home and Subscriptions on desktop (again)
• Fixed skipping ads

Fixed hiding watched videos, streams and VODs, and hidden channels in Home and Subscriptions on desktop

New options for desktop YouTube:

• Full size theater mode
• Hide Miniplayer button
• Search thumbnail size, which by default reverts the recent size increase YouTube made to search result thumbnails
• Minimum grid items per row, for Home and Subscriptions

hideSuggestedSections:

• Now also hides Recommended videos and Recommended playlists when viewing a (non-Watch Later) playlist

• Improved the Japanese translation (thanks @Catastravia)
• Fixed disconnectObservers() only disconnecting page observers

hideShareThanksClip:

• Added a new option to hide the Share/Thanks/Clip buttons under a video (not enabled by default)

hideChannels:

• You can now hide a channel while watching one of its videos - a "Hide channel" item is added to the video's ⋯ menu
• This becomes an "Unhide channel" menu item if the channel is already hidden

hideOpenApp:

• Fixed hiding "Open App" links when using YouTube in Japanese

hideSponsored:

• Fixed related videos being hidden in the mobile version at tablet sizes when they contained an ad

Mobile version fixes and changes

hideNextButton:

• always hide the Next button on mobile, as it takes you to a random video, even if you just used the Previous button
• (continue to only show the Previous button when it's enabled)

hideSponsored:

• fixed the ad immediately under mobile videos not being hidden

hideSuggestedSections:

• only try to hide suggested sections on mobile when logged in, to avoid hiding the "Try searching to get started" home page you can get when browsing privately

mobileGridView:

• fixed non-video items in Search still being full-width
• fixed watched/streamed/hidden channel videos not being hidden in Search when using the grid view