Closed Bug 1994926 Opened 1 year ago Closed 1 year ago

Hovering over a Split View will move the tabs in the tabstrip

Categories

(Firefox :: Tabbed Browser: Split View, defect, P2)

Product:
Firefox
Component:
Tabbed Browser: Split View
Platform:
Desktop
All
Type:
defect

Tracking

()

Status:
RESOLVED DUPLICATE of bug 1996102
Tracking Flags:
Tracking Status
firefox-esr115 --- unaffected
firefox-esr140 --- unaffected
firefox144 --- unaffected
firefox145 --- unaffected
firefox146 --- verified

People

(Reporter: atrif, Assigned: kcochrane)

References

(Blocks 1 open bug)

Details

(Whiteboard: [fidefe-splitview])

Attachments

(1 file)

split_hover.gif
1.16 MB, image/gif
Details
Attached image split_hover.gif —

Found in

  • 146.0a1 (2025-10-16)

Affected versions

  • 146.0a1 (2025-10-16)

Tested platforms

  • Affected platforms: Windows 10x64, macOS 26
  • Unaffected platforms: none

Preconditions

  • split view enabled
  • horizontal mode enabled

Steps to reproduce

  1. Create a split view and hover over it.

Expected result

  • There is no movement in the tab strip.

Actual result

  • The tabs are slightly moving.

Regression range

  • New feature. Happens after the implementation of bug 1986946.

Additional notes

  • Attached a screen recording.
  • this only happens in horizontal mode
QA Whiteboard: [qa-found-in-c146] [S3] → [qa-found-in-c146] [S3][QA-4411]
Whiteboard: [fidefe-splitview]
Severity: -- → S4
Priority: -- → P2
Assignee: nobody → kcochrane
Status: NEW → ASSIGNED

This should have been fixed in bug 1996102

Status: ASSIGNED → RESOLVED
Closed: 1 year ago
Duplicate of bug: 1996102
Resolution: --- → DUPLICATE

Verified fixed with Firefox 146.0a1 (2025-11-05) on Windows 11, macOS 26 and Ubuntu 24. Hovering Split View will no longer move tabs in the tab strip.

QA Whiteboard: [qa-found-in-c146] [S3][QA-4411] → [qa-ver-done-c146/b145][qa-found-in-c146] [S3][QA-4411]
status-firefox146: disabled → verified
Component: Tabbed Browser → Tabbed Browser: Split View
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