mozilla-firefox/firefox

★13,637JavaScriptNOASSERTION⑂ 1,701Issue 0Updated Oct 29, 2026

The official repository of Mozilla's Firefox web browser.

Firefox's Source Code Now Mirrored as an Official GitHub Repo — This is Mozilla's official Firefox repository, now hosted on GitHub for easier discovery and contribution. Bug tracking still happens on Bugzilla, but developers can browse source, read contributor docs, and grab Nightly builds directly from here, making it simpler for outside contributors to get involved.

Web & frontend

Metrics

Relative growth (7d)+1%Growth over the last 7 days relative to size

Acceleration+2%Change in growth pace from the week before

Attention39The three metrics scaled to 0–100 and combined

Retention can be computed 30 days after a repository first trends (it isn't shown until then). See About for how each metric is defined.

Star growth and Trending appearances (last 30 days)

First listed+23★/dayDaily

Sep 30, 2026Oct 29, 2026

Bands mark days on the trending list (darker = higher rank)

Daily trending ranks as a table (1 days)

Date	Daily
Oct 29, 2026	javascript #10 +21

Created Jul 30, 2024 · First on trending Oct 29, 2026

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Metrics

Star growth and Trending appearances (last 30 days)

Other notable repositories in the same category (Web & frontend)

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