1767600 - [Rollout phase 1] The TCP spotlight is wrongly triggered in Permanent Private Browsing

Status: VERIFIED FIXED

(Firefox :: Messaging System, defect, P1)

Description

[Simona Rosu [:srosu], Ecosystem QA]

Attachment: PBM_TCP_Spotlight.gif

[Notes]:

• Since the TCP is enabled by default in PBM, we should not show the TCP Spotlight (the “network.cookie.cookieBehavior.pbmode” pref is set to “5” in the “about:config” page).

[Affected versions]:

• Firefox Release 100.0 (Build ID: 20220428192727)

[Affected Platforms]:

• Windows 10 x64
• Windows 11 x64
• macOS 12.3.1
• Ubuntu 20.04 x64

[Prerequisites]:

• Have the Firefox Release 100.0 browser installed/extracted.
• Have the "set MOZ_REMOTE_SETTINGS_DEVTOOLS=1" syntax ran into a terminal.
• Have the user.js file saved on a new Firefox profile.
• Have the Remote Settings Devtools addon installed.

[Steps to reproduce]:

1. Open the Firefox browser with the profile from prerequisites.
2. Navigate to the “about:config” page and change the “browser.privatebrowsing.autostart” pref set to true.
3. Change the Prod environment to the Stage Preview using the Remote Settings Devtools add-on.
4. Restart the browser and observe the behavior.

[Expected result]:

• The TCP spotlight is not displayed.

[Actual result]:

• The TCP spotlight is displayed.

[Additional notes]:

• We also observed that the “network.cookie.cookieBehavior.pbmode” pref is missing from the rollout’s targeting.
• Attached is a screen recording of the issue.

Comment 1

[Ed Lee :Mardak]

Negative check for browser.privatebrowsing.autostart added to stage (preview)

https://settings.stage.mozaws.net/v1/buckets/main-preview/collections/cfr/records/tcp-spotlight-opt-in-rollout

Comment 2

[Simona Rosu [:srosu], Ecosystem QA]

I‘ve verified that this issue is no longer reproducible using Firefox Release 100.0 (Build ID: 20220428192727) and Firefox Beta 101.0b2 (Build ID: 20220503185929) on Windows 10 x64, Windows 11 x64, macOS 12.3.1, and Ubuntu 20.04 x64.

• The TCP spotlight is not triggered in Permanent Private Browsing.