1954756 - [macOS] no separator visible between profile name and the rest of the Profile panel for System Theme profile

Status: NEW

(Toolkit :: Startup and Profile System, defect)

Description

[Brindusa Tot, Desktop QA]

Attachment: Screenshot_OS_LightTheme_Profile_SystemTheme

Found in

• Nightly 138.0a1

Affected versions

• Nightly 138.0a1

Tested platforms

• Affected platforms: macOS 15
• Unaffected platforms: Windows 11

Preconditions

• Ensure that 'browser.profiles.enabled' is set to 'true' in about:config.
• Ensure that multiple profiles are created (at least one with a light theme and one with a dark theme).
• Set the OS theme to Light

Steps to reproduce

1. Go to Profiles and create a new Profile with System theme selected
2. Open the new profile's panel and observe all the buttons and menu options.

Expected result

• The buttons and all the other menu options are properly displayed according to the chosen System theme

Actual result

• There is no separator visible between profile name + Icon and the rest of the Profile panel

Regression range

• This is not a regression; it was introduced with the Profile Switching feature.

Comment 1

[Jared Hirsch [:jhirsch] (he/him) (Needinfo please)]

per KimB: possible dupe / non-blocker for 138

Comment 2

[Jared Hirsch [:jhirsch] (he/him) (Needinfo please)]

Not a blocker for 138

Comment 3

[Simona Badau, Desktop QA]

Attachment: Screenshot with the Avatar icon on about pages

The Avatar icon on the about:newprofile, about:editprofile, and about:deleteprofile pages is also affected when the System theme is enabled on macOS 15.

Jared, should I file a new bug for the tracking of this issue?

Comment 4

[Raluca Popovici, Desktop QA]

This issue does not occur on Fx 138.0b2, but it does happen on Nightly 139.0a1.