Intro

Youtube Embed Rewrite is currently enabled starting with Firefox 46. and it's about using HTML5 for playing embed videos instead of Flash.

Feature Ownership

QA Lead:Mihai Boldan, :mboldan onIRC

Developer contacts: Chris Petersonmail , :cpeterson on IRC and Kyle Machulismail , :kmachulis or :qdot on IRC

Enabling the feature

• Enabled by default in Nightly and Aurora:
  • Build from2016-01-14bug 769117

Go to about:config

   plugins.rewrite_youtube_embeds

and the value:

   true

References

• Example page with Youtube embed videos can be foundhere.
• Another example page with Youtube embed videos can be foundhere.
• Meta Bug can be foundhere.

Use Cases

Test Cases

(section currently in work)

• The manual test cases associated to this feature can be found in thisgoogle spreadsheet.

Important Bugs

• 1240471 - Youtube flash to iframe embed conversion breaks on invalid query string
• 1255918 - Disable YouTube Flash-to-HTML5 embed rewriter in Beta 46 (plugins.rewrite_youtube_embeds = false)
• 1258053 - Consider to be more lenient to "invalid" Youtube flash embed URLs
• 1246088 - Element picker breaks after I try to pick an element in Youtube HTML5 embed object

Sign off

Criteria

• All the test cases were executed.
• All the blocker, critical, major bugs have been fixed.

Results

Aurora Sign-off -(2016-01-14)

• [ON TRACK] Aurora 46 - Landed without QA sign-off

Beta Sign-off

• [DONE] Beta 47(2016-04-20)

Release Sign-off

• [DONE] RC 47.0(2016-05-26)