2055207 - [Win] "Original profile" name is truncated in the App menu when Nova is enabled

Status: NEW

(Firefox :: Menus, defect)

Description

[Simona Badau, Desktop QA, PTO 22-30June]

Attachment: 2026-07-15_15h18_30.png

Found in

• Nightly 154.0a1

Affected versions

• Nightly 154.0a1

Tested platforms

• Affected platforms: Windows 11 x64
• Unaffected platforms: macOS 26.04, Ubuntu 24.04

Preconditions

• ensure that Nova is enabled
• have at least one profile created.

Steps to reproduce

1. Launch Firefox using the Original profile
2. Open the Application menu.
3. Observe the Original profile menu item.

Expected result

• The Original profile menu item is fully visible and not truncated.

Actual result

• The Original profile menu item is truncated. Please see the attached screenshot for details.

Regression range

• This is a regression.
• I manually investigated the regression window on the Autoland repository and identified Bug 2050692 as the regressor.

Additional notes

• This issue is not reproducible when browser.nova.enabled is set to false in about:config.

Comment 1

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

Set release status flags based on info from the regressing bug 2050692

:gw, since you are the author of the regressor, bug 2050692, could you take a look? Also, could you set the severity field?

For more information, please visit BugBot documentation.

Comment 2

[Glenn Watson [:gw]]

Please see [1] and [2] for some extra context and links to a try build that can be used to help test the possible fix for this.

[1] https://bugzilla.mozilla.org/show_bug.cgi?id=2055145#c10
[2] https://bugzilla.mozilla.org/show_bug.cgi?id=2055145#c12

Comment 3

[Simona Badau, Desktop QA, PTO 22-30June]

(In reply to Glenn Watson [:gw] from comment #2)

Please see [1] and [2] for some extra context and links to a try build that can be used to help test the possible fix for this.

[1] https://bugzilla.mozilla.org/show_bug.cgi?id=2055145#c10
[2] https://bugzilla.mozilla.org/show_bug.cgi?id=2055145#c12

I can confirm that with the try build provided in Comment 12 of Bug 2055145 I no longer reproduce the issue - the "Original profile" name is no longer truncated.

Comment 4

[Glenn Watson [:gw]]

Thanks for confirming. Some extra context at https://bugzilla.mozilla.org/show_bug.cgi?id=2055145#c15 - I'll wait to hear back from Drew on that before deciding if we should land the fix in this try run.