Important Notice: We're experiencing email notification issues. If you've posted a question in the community forums recently, please check your profile manually for responses while we're working to fix this.

On Monday the 3rd of March, around 5pm UTC (9am PT) users may experience a brief period of downtime while one of our underlying services is under maintenance.

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

Why is my firefox not playing 4k videos on youtube? (it only plays them if its forced to play with flash using an addon)

  • 2 replies
  • 1 has this problem
  • 2 views
  • Last reply by moglymic

more options

Why is my firefox not playing 4k videos on youtube? (it only plays them if its forced to play with flash using an addon) .

In other browsers it works just fine, with firefox it only works max on 1080p.

Why is my firefox not playing 4k videos on youtube? (it only plays them if its forced to play with flash using an addon) . In other browsers it works just fine, with firefox it only works max on 1080p.

All Replies (2)

more options

It works with the HTML5 player on beta 44:

more options

Not working with beta 44.0b1.