1948943 - Moving two discontinued tabs from before and after a Collapsed Tab group will cause tabs to overlap

Status: VERIFIED FIXED

(Firefox :: Tabbed Browser, defect, P1)

Description

[Rares Doghi, Desktop QA]

Attachment: TabsMove.mp4

Found in

• Nightly 137.0a1 (2025-02-18)

Affected versions

• Nightly 137.0a1 (2025-02-18)
• Beta 136.0b7

Affected platforms

• All

Steps to reproduce

1. Have a few Tabs opened.
2. Create a Tab group and collapse it.
3. Select an Tab to the Left and a Tab to the right of the Tab group.
4. Move both tabs to the left and drop them as free tabs on the left side of the Group.

Expected result

• Tabs should move correctly between other tabs and collapsed groups

Actual result

• Tabs overlap eachother and the tab strip looks broken until the user moves another tab

Regression range
Not a regression.

Comment 1

[Dão Gottwald [:dao]]

Attachment: Bug 1948943 - Fix moving together multiselected tabs across tab groups. r?jswinarton,dwalker

Comment 2

[Pulsebot]

Pushed by [e-mail]:
https://hg.mozilla.org/integration/autoland/rev/16da13b7b533
Fix moving together multiselected tabs across tab groups. r=jswinarton,tabbrowser-reviewers

Comment 3

[agoloman]

https://hg.mozilla.org/mozilla-central/rev/16da13b7b533

Comment 4

[Rares Doghi, Desktop QA]

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

Comment 5

[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 6

[Rares Doghi, Desktop QA]

Updating the main status flag.