- Migrate to Manifest v3
- Updated to Material UI v5 (and React 18)

Bug fixes (primarily for Chromium-based browsers)

+ Added functionality for rotating videos in the Popout Player

New Features:
+ Added support for YouTube shorts

New Features
+ Added new option to re-use any existing popout player window(s)/tab(s) instead of always opening a new one
+ Added new option to automatically open the popout player when navigating to any video page

New Features
- Add new option and corresponding logic to maximize the Popout Player window

Bug Fixes
- Add workaround for opening the Watch Later playlist in the Popout Player

Other
- Improve appearance of multi-account container hyperlink (in Advanced Options)

New Features

* Added ability to customize the position of the popout player window (#344)
* Added functionality to remember the popout player window size and position (#285)
* Added ability to open the popout player in a background window/tab
* Added context menus for opening the popout player to all YouTube video and playlist links (#286)
* Added support for multi-account containers (Firefox only) (#104)
* Added separate hotkeys for opening the popout player with and without closing the original window/tab (#343)
* Added ability to use the "youtube-nocookie.com" domain for the popout player
* Works in Microsoft Edge (the newer chromium-based versions)
* Technical: Updated from legacy AngularJS to React for Options page

Version 3.1.1 fixes the context menu when right-clicking on YouTube videos.

Version 3.1.0 introduces the following new features:

+ Tabbed layout for the options page
+ Automatically save options immediately when you make changes
+ Request tabs permission only when enabling the "Close Original Window/Tab" setting

Version 3.0.3 fixes the Custom Dimensions information displayed below the width and height input fields on the Options page. Prior to version 3.0.3 when using percentages, the "Popout Player Window Size" and "Popout Player Aspect Ratio" values did not work correctly.

Bug Fixes in Version 3.0.2
+ Firefox 65+: Update Keyboard Shortcut No Longer Works
+ Update Keyboard Shortcut Modal is Cut Off (v3.0)

New Features

+ Open in New Tab (Instead of New Window)
+ Configurable Window/Player Size
+ Open Popout Player via Hotkey
+ Hide Address/URL Bar
+ Insert Custom Text into Window Title
+ Hide Popout Controls on Popout Player
+ Close Original Browser Tab When Opening Popout Player
+ Loop Videos
+ Autoplay Videos
+ Hide All Video Player Controls

Updates

+ Resize/Update Popout Player Button Icon

Version 2.1.3 fixes the missing logo in the Add-ons Manager

This update (version 2.1.2) fixes a fatal bug in version 2.1.1 (a utility script was left out of the release package)

fix playlist detection
updated logo and switched to SVG
new zh_CN translation (thanks @yfdyh000)
support youtube-nocookie.com domain

Version 2.1.0 introduces support for opening playlists in the popout player, as well as support for translations.