Closed Bug 1677378 Opened 4 years ago Closed 4 years ago

Edits to userChrome.css Breaks Youtube in Nightly

Categories

(Firefox :: Untriaged, defect)

Firefox 84
defect

Tracking

()

RESOLVED DUPLICATE of bug 1677390

People

(Reporter: qjfkcovb3, Unassigned)

References

(Regression)

Details

(Keywords: regression)

Attachments

(1 file)

Attached image Youtube Fails to Display Components (deleted) —

User Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:84.0) Gecko/20100101 Firefox/84.0

Steps to reproduce:

  1. Install MaterialFox or QuietFox onto 'profiles\chrome'
  2. Go to Youtube
  3. Observe Youtube

I have identified that edits to userChrome.css is the problem (isolated variable and tested; userChrome.css is the only changing variable)

Actual results:

Youtube left panel missing, settings menu infinitely loads, video scroll fails to load

Refer to attached

Expected results:

Youtube should display everything properly.

I don't have any userChrome.css modifications and I am seeing the same issue. Sadly only in my regular profile (even in safe mode). Creating a new profile doesn't reproduce it.

Ah bug 1676843 is responsible. Setting dom.innerSize.rounded to true fixes it.

Regressions: 1676843
Regressed by: 1676843
No longer regressions: 1676843
Has Regression Range: --- → yes
Keywords: regression

Should the preference be defaulted to true for time being considering that YouTube is a pretty popular site?

Yes.

Status: UNCONFIRMED → RESOLVED
Closed: 4 years ago
Resolution: --- → DUPLICATE
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