1989597 - [Rollout] The “ETP Strict Message” is not translated in certain supported locales

Status: NEW

(Core :: Privacy: Anti-Tracking, defect)

Description

[Carmen Fat [:cfat] - Ecosystem QA]

Attachment: fallback locale infobar.jpg

[Affected versions]:

• Firefox Beta 144.0b2 (Build ID: 20250917090643)

[Affected Platforms]:

• Windows 11 x64
• Ubuntu 24.04 x64
• macOS 15.3

[Prerequisites]:

• Have Firefox Beta 144 ja locale installed.
• Set the “Strict” option, uncheck both Fix major/minor site issues in the about:preferences page.
• Set the following prefs with the next values:
  -> browser.search.region = JA
  -> privacy.trackingprotection.allow_list.hasUserInteractedWithETPSettings = false
  -> nimbus.debug = true
• Be enrolled in the ETP Strict Message rollout (e.g copy and paste this link in the urlbar to force enroll in the rollout).

[Steps to reproduce]:

1. Open the browser with the profile from prerequisites.
2. Navigate to the Amazon.ca page.
3. Observe the “ETP Strict Message” Infobar.

[Expected result]:

• The Infobar text is localized accordingly.

[Actual result]:

• The Infobar text is displayed in English.

[Notes]:

• This issue also affects the Arabic locale, and it might also be reproducible with other locales.
• Attached is a screenshot of the issue.