1954966 - Moving pinned tabs over other pinned tabs will temporarily hide them until the tab is dropped

Status: VERIFIED FIXED

(Firefox :: Sidebar, defect, P2)

Description

[Alexandru Trif, Desktop Test Engineering [:atrif]]

Attachment: hover_pin.gif

Found in

• 138.0a1 (2025-03-18)

Affected versions

• 138.0a1 (2025-03-18)

Tested platforms

• Affected platforms: Windows 10x64, macOS
• Unaffected platforms: Ubuntu 24

Preconditions

• sidebar.expandOnHover: true
• sidebar.revamp: true
• ensure that vertical tabs are enabled
• sidebar is placed on the left side
• have some pined tabs

Steps to reproduce

1. Hover over the sidebar and move a pine tab from top to bottom or bottom to top.

Expected result

• The other pined tabs are displayed.

Actual result

• The other pined tabs will disappear until the tab is dropped.

Regression range

• Not a regression, new feature.

Additional notes

• Attached a screen recording.

Comment 1

[Nikki Sharpley (:nikkis) (she/her)]

Attachment: Bug 1954966 - Update drag behaviour for pinned tabs in expand on hover mode r=#sidebar-reviewers

Comment 2

[Pulsebot]

Pushed by [e-mail]:
https://hg.mozilla.org/integration/autoland/rev/5de0cfc78630
Update drag behaviour for pinned tabs in expand on hover mode r=sidebar-reviewers,tabbrowser-reviewers,sclements

Comment 3

[Iulian Moraru]

https://hg.mozilla.org/mozilla-central/rev/5de0cfc78630

Comment 4

[Alexandru Trif, Desktop Test Engineering [:atrif]]

Verified fixed with 138.0b8 on Windows 10x64, macOS 12 and Ubuntu 24.