[Tab tray UI experiment] [Intermittent] - Tabs' titles are incorrectly displayed in light theme

[data-sync-user]

Steps to reproduce

1. Install FF and set theming to light.
2. Open Firefox and open multiple normal tabs.
3. Go to private browsing and open some tabs, as well.
4. Go back to normal tab tray.
5. Observe the tabs’ titles.

Actual Result:

The text is sometimes white, sometimes blurred, as in an almost invisible grey.

Expected Result

The text is correctly displayed, easily visible.

Notes:

This issue is reproducible only with light theme, in normal tab tray.

• Device: iPhone 15 (17.6), iPhone 16+ (18.4).
• Build version: v140 (56546)

┆Issue is synchronized with this Jira Bug

[data-sync-user]

➤ Laurie Marceau commented:

Andres Furlan I think we can get this in 140.1 weekly release, just opened a bugfix and I’ll create the backport. Its a small change