https://profiler.firefox.com/

Moving to Zulip: https://servo.zulipchat.com/ :: Development and planning for the Servo web rendering engine (https://github.com/servo/servo/) :: Conduct: https://www.rust-lang.org/conduct.html

General Performance chat

Questions about Mozilla accounts (formerly Firefox Accounts, FxA)? Ask here! https://github.com/mozilla/fxa/

This is an official group chat for LOSEHU Firmware. Both English and Chinese are accepted here. 本群与 Telegram 群组 https://t.me/losehu 桥接。

Forum: https://forum.mozillaitalia.org/, canale sincronizzato con il gruppo Home su Telegram.

Support for TB4Android aka TfA (from K-9 Mail) | https://blog.thunderbird.net/category/mobile-news/ | Download: https://www.thunderbird.net/en-US/thunderbird/all/ https://k9mail.app/ | forums: https://thunderbird.topicbox.com/groups/android-beta https://forum.k9mail.app | code: https://github.com/thunderbird/thunderbird-android | Don't ask to ask, just ask - and please be patient | Participation r…

Firefox iOS team

Check out https://developer.thunderbird.net for information on how to build and update your add-on.

Aidez-nous à traduire les logiciels et sites web de Mozilla ! https://pontoon.mozilla.org/fr/

Помогите перевести https://developer.mozilla.org на русский язык!

和梦想家一起创造历史！

Discussion of the Taskcluster platform and the community deployment || https://taskcluster.net/

Machine Learning @ Mozilla | Home of Mozilla Voice / DeepSpeech / TTS projects.

Mozillians from Punjab doing wonders, contributing to the Open Web and talking about Pizzas!

NEW procedures: For application or data problems ping @cvalaas(PST) or @jbuck (EST) in treeherder-ops slack channel. For critical issues outside their working hours see: https://mana.mozilla.org/wiki/spaces/viewspace.action?key=SVCOPS

#sarcasm | DOM Chatter | https://www.xkcd.com/927 | Triage https://mzl.la/2JtE4IH

Rust-related chatter.

Discussion about the WebThings open source project (https://webthings.io).

Discussing the development of the Picture-in-Picture feature in Firefox Desktop | Triage link: https://mzl.la/3DVSvlj

https://github.com/mozilla/bugbug

小孩子不懂事瞎创着玩的（ 特此声明：这真的是mtf群 警告：为防范垃圾信息，如果您的账号没有头像或有意义名字，可能会被拒绝入群；若您的账号可疑且在入群一段时间内缺少讨论，将被移除出群。 该群组有入群审查，只通过跨性别友善的Linux爱好者，若长时间未通过加群申请，可能代表您被拒绝，请联系管理员。

Rocket Web Framework | https://rocket.rs | Latest Release: v0.5.1 | FAQ: https://rocket.rs/v0.5/guide/faq/

Localization (l10n) at Mozilla | L10n report: August 2026 Edition: https://blog.mozilla.org/l10n/2026/08/13/l10n-report-august-edition-2026/ | Localizer Spotlights: https://blog.mozilla.org/l10n/category/contributor-spotlight/

Mozilla Android Components - https://mozac.org - https://github.com/mozilla-mobile/android-components

Bugs and feature requests: https://bugzilla.mozilla.org/enter_bug.cgi?product=Firefox&component=Translation - https://connect.mozilla.org/