1987841 - Reduce horizontal pinned tabs container max-width

Status: VERIFIED FIXED

(Firefox :: Tabbed Browser, defect)

Description

[Dão Gottwald [:dao]]

Bug 1978887 used a conservative max-width of 60vw. In small windows, this leaves very little space for unpinned tabs and window controls.

Comment 1

[Dão Gottwald [:dao]]

Attachment: Bug 1987841 - Reduce horizontal pinned tabs container max-width to a third of the window width. r?#theme

Comment 2

[Pulsebot]

Pushed by [e-mail]:
https://github.com/mozilla-firefox/firefox/commit/234d78d82389
https://hg.mozilla.org/integration/autoland/rev/a30ebafeaa24
Reduce horizontal pinned tabs container max-width to a third of the window width. r=desktop-theme-reviewers,tabbrowser-reviewers,nsharpley

Comment 3

[Serban Stanca [:SerbanS]]

https://hg.mozilla.org/mozilla-central/rev/a30ebafeaa24

Comment 4

[Rares Doghi, Desktop QA]

Verified as fixed in our latest Nightly 144.0a1 (2025-09-11).

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.
  • See https://wiki.mozilla.org/Release_Management/Requesting_an_Uplift for documentation on how to request an uplift.
• If no, please set status-firefox143 to wontfix.

For more information, please visit BugBot documentation.

Comment 6

[Rares Doghi, Desktop QA]

Updating the remaining flags.