Open Bug 1664428 Opened 4 years ago Updated 4 years ago

[macOS 11 Beta] Small line is displayed in full screen mode on the top left side

Categories

(Core :: Graphics, defect, P3)

Desktop
macOS
defect

Tracking

()

Tracking Status
firefox-esr78 --- affected
firefox80 --- affected
firefox81 --- affected
firefox82 --- affected

People

(Reporter: atrif, Unassigned)

References

(Blocks 1 open bug)

Details

Attachments

(1 file)

Attached image mac11_0.png

Affected versions

  • 82.0a1 (20200910152110)
  • 81.0b9 (20200910180444)
  • 80.0RC2 (20200831163820)
  • 78.2.0esr (20200817153328)

Affected platforms

  • macOS 11 (20A5364e)

Steps to reproduce

  1. Open Firefox and enter fullscreen mode.
  2. Observe the top left side of the browser.

Expected result

  • No visual glitches are presented.

Actual result

  • A small line is displayed.

Regression range

  • I will search for one ASAP if there is one.

Notes

  • Attached a screenshot.
  • Line appears on random places on the left side.

Suggested Severity: S4

Blocks: 1648487
Has Regression Range: --- → no
Has STR: --- → yes
QA Whiteboard: [qa-regression-triage]

Followed back to Firefox 67.0 (20190516215225) on macOS 11 Beta (20A5364e) for a regression range but the issue is still reproducing so I think it's safe to assume that this is not a regression. Also builds before that date are not working properly.

Has Regression Range: no → ---

Similar issues were assigned to the graphics component in the past. Sending it over for a look.

Component: Widget: Cocoa → Graphics
Severity: -- → S3
Priority: -- → P3
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