1693556 - Unable to sign in with Facebook on app.plex.tv with ETP - Strict

Status: RESOLVED FIXED

(Core :: Privacy: Anti-Tracking, defect, P3)

Description

[Oana Arbuzov [:oanaarbuzov]]

Attachment: STrictVsStandard.png

Environment:
Browser / Version: Firefox Nightly 210217 (🦎 87.0a1-20210217094559)
Operating System: Samsung Galaxy S8 (Android 9) - 1440 x 2960 pixels, 18.5:9 ratio (~570 ppi density)

Steps to reproduce:

1. Navigate to https://app.plex.tv/desktop
2. Tap the "Account" button (top rights side).
3. Tap "Sign in".
4. After "Sign in" page is displayed, tap "Continue with Facebook" button.
5. Observe behavior.

Expected Behavior:
Login with Facebook is performed.

Actual Behavior:
Login with Facebook is not performed and an error is displayed.

Note
1. The issue is not reproducible with ETP Standard.
2. Screenshot attached.

Comment 1

[Tim Huang[:timhuang]]

This is caused by the social media tracker blocking.

Comment 2

[Thomas Wisniewski [:twisniewski]]

Logging in with Facebook now works where the shim is active (riding the release trains on desktop Firefox as of bug 1703829).