Windows 10 reached EOS (end of support) on October 14, 2025. If you are on Windows 10, see this article.

Search Support

Avoid support scams. We will never ask you to call or text a phone number or share personal information. Please report suspicious activity using the “Report Abuse” option.

Learn More

When will Firefox support the Media-Source-Extensions, and with no problem?

  • 1 reply
  • 2 have this problem
  • 165 views
  • Last reply by guigs
  • Archived

When will Firefox support the Media-Source-Extensions, and with no problem?

It crashed when I was watching a live show in 1080p with HTML5. It usually have the tearing problem when it was in fullscreen with HTML5. It can't watch a 4K video while playing with HTML5.

When will Firefox support the Media-Source-Extensions, and with no problem? It crashed when I was watching a live show in 1080p with HTML5. It usually have the tearing problem when it was in fullscreen with HTML5. It can't watch a 4K video while playing with HTML5.

All Replies (1)

It's being worked on, last version Mozilla added MSE for YouTube playback support to Mac OS X. I do not have an eta when this will be completed.