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Steeltent
Making moves
Status: New idea

The Bugzilla entry is five years old. Chrome can do this. It's annoying that Firefox can not.

Not being able to play .mkv files makes it impractical for some people to use Firefox. They need this feature to play videos from Plex or Jellyfin and to monitor their security cameras. These are just two examples of very common use cases. And in such cases users are forced to use a Chromium-based browser. They simply have no other choice.

That's why I think Firefox should add this feature as soon as possible.  

5 Comments
Status changed to: New idea
Jon
Community Manager
Community Manager

Thanks for submitting an idea to the Mozilla Connect community! Your idea is now open to votes (aka kudos) and comments.

Szwendacz
New member

I just found out that FF does not support mkv, so i cannot play mkv videos in Nextcloud.

okay_okay
Making moves

+1 

Mokacchi
New member

+1

Mokacchi
New member

+1, I want to use a popular japanese study website which can play local video files with japanese subtitles, but it simply does not work on Firefox since my files are in mkv containers.