Improve/personnalize the video right-click menu

[Mozilla2048]

Hello!
When you right-click a video player in Firefox, there is a menu which offers the options Read, Mute, Speed, Loop, Full screen, etc... It would be nice to be able to personalize that menu in the settings, to hide options I never use or to add new ones. For example, 'subtitles', 'download subtitles', 'color filter', 'mirror mode (flipped horizontally)' or 'share along with current playback time'. Particularly in the nested 'Speed' menu: it would be great if there was a 0.75x or 0.25x option, or even an option to set a custom speed. Also, there is no menu at all when you right-click on a video in 'separate window' (embedded picture-in-picture?) mode. Final remark: 'Ask [AI name]' seems to be an useless option for videos because it sends a blank selection (same for images).
Thanks 🙂

[Jon]

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[Jon]

Similar idea here: Ability to edit context menus, remove unnecessary options