Issues

• Messenger stopped working inside container

  mozilla/contain-facebook#1022 · Filter by author Marooned-MB opened on Oct 23, 2026

• rafaelchavezvalencia6-glitch

  mozilla/contain-facebook#1021 · Filter by author rafaelchavezvalencia6-glitch opened on Oct 12, 2026

• Infinite Tab Closing/Opening Loop with "Limit to Designated Sites" On in Firefox Multi-Account Containers when Facebook Container is Active

  mozilla/contain-facebook#1020 · Filter by author GregoryDavidLevine opened on Sep 27, 2026

• Initial load hangs on static.xx.fbcdn.net

  mozilla/contain-facebook#1018 · Filter by author EvEric99 opened on Aug 10, 2026

• A

  mozilla/contain-facebook#1017 · Filter by author EvEric99 opened on Aug 3, 2026

• Meta ai domain is missing

  mozilla/contain-facebook#1016 · Filter by author GANs-and-roses opened on Jul 7, 2026

• missing Meta domains

  mozilla/contain-facebook#1015 · Filter by author richterdavid opened on Jun 30, 2026

• npm run dev launches wrong Firefox when multiple versions are installed

  mozilla/contain-facebook#1013 · Filter by author maxxcrawford opened on Apr 2, 2026
  

• remove-domain-from-list and add-domain-to-list message handlers don't return to caller

  mozilla/contain-facebook#1012 · Filter by author maxxcrawford opened on Apr 2, 2026

• checkSettings returns undefined on first run

  mozilla/contain-facebook#1011 · Filter by author maxxcrawford opened on Apr 2, 2026

• clearFacebookCookies uses .map(async) without awaiting and the cookies are never cleared

  mozilla/contain-facebook#1010 · Filter by author maxxcrawford opened on Apr 2, 2026

• removeDomainFromFacebookContainer silently deletes wrong entry when domain not found

  mozilla/contain-facebook#1009 · Filter by author maxxcrawford opened on Apr 2, 2026

• openInputPrompt crashes with TypeError on every first badge click

  mozilla/contain-facebook#1008 · Filter by author maxxcrawford opened on Apr 2, 2026

• Code audit: fix logic bugs in background.js and content_script.js

  mozilla/contain-facebook#1007 · Filter by author maxxcrawford opened on Apr 2, 2026

• Expand functional tests to cover all badge types and duplicate prevention

  mozilla/contain-facebook#1006 · Filter by author maxxcrawford opened on Apr 2, 2026
  

• Add Playwright functional test for content script badging

  mozilla/contain-facebook#1005 · Filter by author maxxcrawford opened on Apr 2, 2026

• Add CircleCI config to run test suite

  mozilla/contain-facebook#1004 · Filter by author maxxcrawford opened on Apr 2, 2026
  

• Replace webextensions-jsdom/geckodriver and mocha with vitest

  mozilla/contain-facebook#1002 · Filter by author maxxcrawford opened on Apr 2, 2026
  

• Migrate ESLint from v4 to v9 with flat config

  mozilla/contain-facebook#1001 · Filter by author maxxcrawford opened on Apr 2, 2026
  

• Domains with .meme TLD being incorrectly flagged as Facebook-owned

  mozilla/contain-facebook#998 · Filter by author Veegie opened on Sep 15, 2025
  1

• Add 'No data collection' treatment to conform with new AMO consent experience

  mozilla/contain-facebook#996 · Filter by author lesleyjanenorton opened on Aug 1, 2025

• Issue with threads.com

  mozilla/contain-facebook#995 · Filter by author tomplant0 opened on Jul 31, 2025
  2

• Endless redirects with Aliexpress

  mozilla/contain-facebook#994 · Filter by author bobelism opened on Jul 25, 2025

• Add the Meta AI site so it loads, because if not, it doesn't load.

  mozilla/contain-facebook#991 · Filter by author huezo opened on Jun 24, 2025

• Threads.com

  mozilla/contain-facebook#990 · Filter by author toxicdream opened on Apr 29, 2025
  10