Open Bug 1482654 Opened 6 years ago Updated 8 months ago

1.43ms uninterruptible reflow at onxblunderflow@chrome://browser/content/tabbrowser.xml:47:11

Categories

(Firefox :: Tabbed Browser, enhancement, P3)

Product:
Firefox
Component:
Tabbed Browser
Type:
enhancement

Tracking

()

Project Flags:
Performance Impact low
Tracking Flags:
Tracking Status
firefox63 --- affected

People

(Reporter: geeknik, Unassigned)

References

(Blocks 1 open bug)

Details

(Keywords: perf:frontend, Whiteboard: [ohnoreflow])

Here's the stack: onxblunderflow@chrome://browser/content/tabbrowser.xml:47:11
Whiteboard: [ohnoreflow][qf][photon-performance] → [ohnoreflow][fxperf]
Whiteboard: [ohnoreflow][fxperf] → [ohnoreflow][fxperf:p3]
Component: Untriaged → Tabbed Browser
This is from: if (tabs._lastTabClosedByMouse) { tabs._expandSpacerBy(this._scrollButtonDown.clientWidth); } We could potentially build on this._pinnedTabsLayoutCache here which already has a scrollButtonWidth property.
OS: Linux → All
Priority: -- → P3
Hardware: x86 → All
Severity: normal → S3
Performance Impact: --- → low
Keywords: perf:frontend
Whiteboard: [ohnoreflow][fxperf:p3] → [ohnoreflow]
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