• Added an option to remove the new pink fade from the desktop progress bar
• Hiding watched videos no longer applies to Search results

• 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 skipping ads on mobile

• 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

• Fixed Firefox permission issues (the extension was disabled by default after install on all platforms, had to be manually enabled every time in Firefox for Android, and the Permissions page was completely blank in Firefox for Android so permissions couldn't be granted) by using Manifest Version 2 instead
• 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

Hide Next button:
• 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)

Hide Sponsored content:
• fixed the ad immediately under mobile videos not being hidden

Hide suggested sections:
• display the Hide suggested sections option on mobile, as it now applies to the mobile Home page
• only try to hide sections on mobile when logged in, to avoid hiding the "Try searching to get started" home page you can get when browsing privately

Mobile grid view:
• 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