mozilla/multi-account-containers

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Firefox Multi-Account Containers lets you keep parts of your online life separated into color-coded tabs that preserve your privacy. Cookies are separated by container, allowing you to use the web with multiple identities or accounts simultaneously.

Stars: 3.1k
Forks: 433
Open beginner issues: 2
Indexed issues: 603

Dominant language: JavaScript
License: MPL-2.0
Last GitHub push: Sep 11, 2026
Latest indexed: Sep 19, 2026
Contributing guide: Contributing guide
Code of conduct: Code of conduct
Beginner labels: good first issue help wanted
PR merge metrics: No merged PRs in 30d

Beginner friendly Everything

Open All

603 open issues indexed

IP:port shows without colon in the menu Open

bug

Difficulty 2/5 1-3 hours Newbie friendliness 76/100

mozilla/multi-account-containers#2933 · Opened Aug 27, 2026
"manage site list ..." is empty Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 35/100

mozilla/multi-account-containers#2932 · 2 comments · Opened Aug 26, 2026
MAC shouldn't ask to open in container when link is opened in a new tab or window from the same URL Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 58/100

mozilla/multi-account-containers#2930 · 1 comment · Opened Aug 23, 2026
Container list: usage-based ordering, quick search, and "recently used on this site" Open

:+1: Feature Request

Difficulty 5/5 Over a week Newbie friendliness 45/100

mozilla/multi-account-containers#2929 · Opened Aug 20, 2026
SOCKS5 proxy fails silently in container (works in private window) Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 42/100

mozilla/multi-account-containers#2925 · Opened Aug 7, 2026
MAC keeps opening particular links in the wrong container Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 48/100

mozilla/multi-account-containers#2920 · 2 comments · Opened Jul 22, 2026
The Proxy Learn More link doesn't work Open

bug

Difficulty 2/5 1-3 hours Newbie friendliness 72/100

mozilla/multi-account-containers#2919 · Opened Jul 19, 2026
Cookies sometimes escape their container Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 35/100

mozilla/multi-account-containers#2918 · Opened Jul 18, 2026
There is no option to clear storage and cookies of the default context Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 64/100

mozilla/multi-account-containers#2917 · 1 comment · 3 reactions · Opened Jul 16, 2026
When using a Multi Account Containers with custom location, the connection to the chat on Twitch pages keeps dropping Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 45/100

mozilla/multi-account-containers#2915 · Opened Jul 1, 2026
Bookmark context menu still uses the old icons (v. 8.3.8) Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 64/100

mozilla/multi-account-containers#2913 · Opened Jun 24, 2026
Memory leak due to not removing exempted tab entries when deleting container Open

bug

Difficulty 2/5 1-3 hours Newbie friendliness 72/100

mozilla/multi-account-containers#2910 · Opened Jun 22, 2026
Socks5 container discloses the public IP address of the current network Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 38/100

mozilla/multi-account-containers#2908 · Opened Jun 21, 2026
Missing Settings for Policy-Driven Provisioning Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 45/100

mozilla/multi-account-containers#2904 · Opened Jun 8, 2026
tab loses history when following a link that opens in a new container Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 48/100

mozilla/multi-account-containers#2902 · 1 comment · Opened May 25, 2026
[linux] container lost all settings on restarting firefox Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 45/100

mozilla/multi-account-containers#2901 · 2 comments · 2 reactions · Opened May 22, 2026
Containers are opened in private window Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 48/100

mozilla/multi-account-containers#2900 · Opened May 20, 2026
Split View in Firefox Open

bug

Difficulty 5/5 Over a week Newbie friendliness 35/100

mozilla/multi-account-containers#2899 · 1 reaction · Opened May 18, 2026
Manually erase container data / erase container data on browser exist Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 48/100

mozilla/multi-account-containers#2897 · 7 comments · Opened May 15, 2026
Sign in with Google infinite loop Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 48/100

mozilla/multi-account-containers#2896 · 5 comments · Opened May 11, 2026
Does not respect user's fonts Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 45/100

mozilla/multi-account-containers#2891 · 1 comment · Opened May 3, 2026
"enable bookmarks menu" option seems to be redundant/uneccesary Open

bug

Difficulty 5/5 Over a week Newbie friendliness 35/100

mozilla/multi-account-containers#2889 · 1 comment · Opened May 1, 2026
Multi-Account-Containers - Microsoft Azure, Entra Portal Login Error - unknown_msal_error Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 45/100

mozilla/multi-account-containers#2887 · 1 reaction · Opened Apr 30, 2026
Open tab counts and lists do not reflect open tabs in non-current windows Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 35/100

mozilla/multi-account-containers#2878 · Opened Mar 30, 2026
Socks5 proxy client doesn't support UDP Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 35/100

mozilla/multi-account-containers#2877 · 4 reactions · Opened Mar 15, 2026
Containers with "custom VPN location" should refuse to open new tabs if no VPN detected Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 52/100

mozilla/multi-account-containers#2876 · Opened Mar 15, 2026
Proxy leak, proxy attachment ignored when downloading media from container tabs Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 48/100

mozilla/multi-account-containers#2875 · 1 comment · 1 reaction · Opened Mar 14, 2026
popup 0-9 shortcuts read physical key instead of character Open

bug

Difficulty 2/5 1-3 hours Newbie friendliness 68/100

mozilla/multi-account-containers#2874 · Opened Mar 12, 2026
"Reopen in Container" shortcuts destroy privileged tabs (such as about:addons, about:debugging, etc.) (v. 8.3.7) Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 45/100

mozilla/multi-account-containers#2871 · 2 comments · Opened Mar 10, 2026
Shortcuts for containers 5 to 10 don't work until about:addons options page is accessed/refreshed (v8.3.7) Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 50/100

mozilla/multi-account-containers#2870 · Opened Mar 10, 2026
Firefox Multi-Account Containers results in 2 errors in Firefox, including "can't access property 'isAdoptingTab', this.window.gBrowserInit is undefined" Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 35/100

mozilla/multi-account-containers#2861 · Opened Mar 1, 2026
Broken VPN integration Open

bug Component: MozillaVPN

Difficulty 3/5 1-2 days Newbie friendliness 48/100

mozilla/multi-account-containers#2852 · 2 comments · Opened Feb 11, 2026
Firefox should use correct container for generating link preview Open

bug Needs: Mozilla Central

Difficulty 3/5 1-2 days Newbie friendliness 38/100

mozilla/multi-account-containers#2851 · 2 comments · 1 reaction · Opened Feb 10, 2026
Site reappears in container site list a few hours after deleting it Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 35/100

mozilla/multi-account-containers#2847 · 1 comment · 1 reaction · Opened Jan 23, 2026
urlencoding in bookmark assigned to container Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 45/100

mozilla/multi-account-containers#2846 · Opened Jan 21, 2026
Dragging a link from a no-container tab to a container tab first, and then moving to the tab bar to open in a new tab causes it to open in the container tab Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 45/100

mozilla/multi-account-containers#2845 · Opened Jan 15, 2026
Tenants are no longer isolated between containers- on the same guest account Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 35/100

mozilla/multi-account-containers#2843 · 1 comment · 1 reaction · Opened Jan 13, 2026
It manages only a single github.dev Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 35/100

mozilla/multi-account-containers#2840 · Opened Jan 2, 2026
Containers cannot be moved Open

bug Component: Panel

Difficulty 3/5 1-2 days Newbie friendliness 45/100

mozilla/multi-account-containers#2837 · 12 comments · 7 reactions · Opened Dec 19, 2025
The new tab opened by middle-clicking in the bookmarks menu does not match the current container identity. Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 45/100

mozilla/multi-account-containers#2834 · 1 comment · Opened Dec 5, 2025
Memory leak if firefox left running Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 42/100

mozilla/multi-account-containers#2831 · 4 comments · Opened Nov 28, 2025
Losing container cookies Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 48/100

mozilla/multi-account-containers#2830 · 14 comments · 2 reactions · Opened Nov 21, 2025
We’re launching a survey about Multi-Account Containers 🚀 Open

:+1: Feature Request

Difficulty 3/5 1-2 days Newbie friendliness 38/100

mozilla/multi-account-containers#2827 · 8 reactions · Opened Nov 18, 2025
Tab fails to reopen in container while page is still loading Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 35/100

mozilla/multi-account-containers#2822 · 1 reaction · Opened Nov 8, 2025
"Remove always open in" results in force open to no container Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 45/100

mozilla/multi-account-containers#2821 · Opened Oct 31, 2025
Keyboard shortcuts stopped working after updating firefix Open

bug Component: Shortcuts

Difficulty 3/5 1-2 days Newbie friendliness 35/100

mozilla/multi-account-containers#2820 · 3 comments · Opened Oct 30, 2025
Proxy leak, Container not switching immediately Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 35/100

mozilla/multi-account-containers#2819 · 1 comment · 2 reactions · Opened Oct 30, 2025
Attention dot is not displayed on extensions button if MAC is unpinned from toolbar and survey modal is available (v8.3.1) Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 48/100

mozilla/multi-account-containers#2807 · Opened Oct 8, 2025
Survey modal is not initially displayed if 10 containers are opened before onboarding is completed (v8.3.1) Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 48/100

mozilla/multi-account-containers#2806 · Opened Oct 8, 2025
Add credentials to the proxy configuration Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 35/100

mozilla/multi-account-containers#2801 · 3 comments · Opened Sep 29, 2025

mozilla/multi-account-containers

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