Windows 10 reached EOS (end of support) on October 14, 2025. For more information, see this article.

Avatar for Username

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

This thread was archived. Please ask a new question if you need help.

re: VP9 decoder

  • 1 reply
  • 16 have this problem
  • 9 views
  • Last reply by cor-el

callagg2
callagg2

When i visit https://www.youtube.com/html5, it tells me "What does this browser support?" it lists HTMLVideoElement, H264 and VP8

Why does it not register that Firefox now plays VP9? Have i to add any plugin to Firefox?

When i visit https://www.youtube.com/html5, it tells me "What does this browser support?" it lists HTMLVideoElement, H264 and VP8 Why does it not register that Firefox now plays VP9? Have i to add any plugin to Firefox?

Chosen solution

MSE is still not fully supported, so MSE & WebM VP9 is negative.

Read this answer in context 👍 8

All Replies (1)

cor-el
cor-el
  • Moderator

Chosen Solution

MSE is still not fully supported, so MSE & WebM VP9 is negative.