1938049 - Tab Group label has a jump animation when dropping tabs in the group

Status: VERIFIED FIXED

(Firefox :: Tabbed Browser, defect, P3)

Description

[Rares Doghi, Desktop QA]

Attachment: Jump.mp4

Found in

• 135.0a1 (2024-12-17)

Affected versions

• 135.0a1 (2024-12-17)

Preconditions
Set browser.tabs.groups.enabled true

Affected platforms

• all

Steps to reproduce

1. Have a "Shopping" Tab Group created.
2. Drag and Drop A Tab from Behind the Group Label into the Tab group.

Expected result

• The Tab group label should not jump when a Tab is added from behind.

Actual result

• There is a small jump to the Group Label when a Tab is added to the group. This issue occurs with both Horizontal and Vertical Trabstrips.

Regression range
Not a Regression.

Comment 2

[Dão Gottwald [:dao]]

Attachment: Bug 1938049 - Fix tab group label jump animation when dropping tabs. r?jswinarton,dwalker

Comment 3

[Pulsebot]

Pushed by [e-mail]:
https://hg.mozilla.org/integration/autoland/rev/16581ed4f2b7
Fix tab group label jump animation when dropping tabs. r=jswinarton,tabbrowser-reviewers

Comment 4

[agoloman]

https://hg.mozilla.org/mozilla-central/rev/16581ed4f2b7

Comment 5

[BugBot [:suhaib / :marco/ :calixte]]

Since nightly and release are affected, beta will likely be affected too.
For more information, please visit BugBot documentation.

Comment 6

[Rares Doghi, Desktop QA]

This issue is Verified as fixed in our latest Nightly 137.0a1 (2025-02-23)

Comment 7

[BugBot [:suhaib / :marco/ :calixte]]

The patch landed in nightly and beta is affected.
:dao, is this bug important enough to require an uplift?

• If yes, please nominate the patch for beta approval.
• If no, please set status-firefox136 to wontfix.

For more information, please visit BugBot documentation.

Comment 8

[Rares Doghi, Desktop QA]

Updating the main status flag.