firefox

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mirror of https://github.com/mozilla-firefox/firefox.git synced 2026-07-21 23:37:15 -04:00

The official repository of Mozilla's Firefox web browser. https://www.firefox.com/

JavaScript 32.8%
C++ 23.7%
HTML 21.4%
C 10.4%
Kotlin 3.1%
Other 8.2%

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Repository files (latest commit first)
Filename	Latest commit message	Latest commit date
André Bargull 9f4db30785 Bug 2046734: Add release assertions to SplitSingleCharHelper. r=jandem Differential Revision: https://phabricator.services.mozilla.com/D311251		2026-07-21 17:00:25 +00:00
.agents/skills
.cargo	Bug 2055979. Update mp4parse-rust to 8a49a0769764. r=media-playback-reviewers,alwu	2026-07-21 12:00:25 +00:00
.claude
.codex
.github/workflows
.vscode
.zed
accessible	Revert "Bug 2055125: Only send accessibility info to the parent process if accessibility is in use there. r=eeejay" for causing DocAccessible related failures.	2026-07-21 03:09:40 +00:00
browser	Bug 2054539: Temporary changes to list all tabs menu for Nova major release r=sthompson,tabbrowser-reviewers	2026-07-21 16:59:31 +00:00
build
caps
chrome
config
devtools	Bug 2052119 - Extend CSS test coverage on the rule view and style editor. r=devtools-reviewers,nchevobbe	2026-07-21 15:44:44 +00:00
docs	Bug 2052666 - Convert eslint-plugin-mozilla reject-import-preferences-module doc to Markdown r=firefox-source-docs-reviewers,ahal	2026-07-21 17:00:04 +00:00
docshell	Bug 2054416 - Validate RemoteTypeOverride. r=nika,necko-reviewers,kershaw	2026-07-21 12:02:00 +00:00
dom	Bug 2036402 - Apply std::move in dom/canvas where values can be moved instead of copied r=gfx-reviewers,nical	2026-07-21 15:46:44 +00:00
editor	Bug 2055644 - Treat EditContext as plaintext editor in HTMLEditorDataTransfer.cpp. r=masayuki	2026-07-21 14:21:20 +00:00
extensions
gfx	Bug 2027278 - Compute data offset in uintptr_t. r=gfx-reviewers,bradwerth	2026-07-21 16:54:35 +00:00
gradle	Bug 2052887 - Move detekt to top level as a plugin r=geckoview-reviewers,android-reviewers,nalexander,ahochheiden	2026-07-21 05:43:40 +00:00
hal
image	Bug 2055221. Add some jxl decoder moz logging. r=saschanaz,gfx-reviewers,aosmond	2026-07-20 23:37:52 +00:00
intl
ipc	Bug 2045721: Add IPCClientInfo type checking r=necko-reviewers,ipc-reviewers,dom-worker-reviewers,nika,asuth,valentin	2026-07-21 08:38:32 +00:00
js	Bug 2046734: Add release assertions to SplitSingleCharHelper. r=jandem	2026-07-21 17:00:25 +00:00
layout	Bug 2036400 - Initialize uninitialized scalar fields in layout to fix Coverity uninitialized-scalar defects r=layout-reviewers,emilio	2026-07-21 15:46:01 +00:00
media
memory	Bug 2036400 - Initialize uninitialized scalar fields in memory to fix Coverity uninitialized-scalar defects r=pbone	2026-07-21 15:45:40 +00:00
mfbt
mobile	Bug 2049759 - Include all components:samples-* modules in android-ac lint r=nalexander,ahochheiden,geckoview-reviewers,android-reviewers,mcarare	2026-07-21 16:59:04 +00:00
modules	Bug 1963079 - Exclude spurious parent-channel loads from zero-byte-load telemetry r=necko-reviewers,valentin	2026-07-21 07:50:10 +00:00
mozglue
netwerk	Bug 2036402 - Apply std::move in netwerk where values can be moved instead of copied r=necko-reviewers,cookie-reviewers,jesup,bvandersloot	2026-07-21 16:58:09 +00:00
nsprpub
other-licenses
parser
python	Revert "Bug 1949093 [Linux] Merge gfx test utilities to one binary r=emilio" for causing build bustages at v4l2test.cpp	2026-07-21 12:29:04 +00:00
remote
security	Revert "Bug 2046954 - Sandbox - Fix RDD Vulkan sandbox policy for display server access. r=jld,sandbox-reviewers" for causing failures at browser_sandbox_test.js.	2026-07-21 10:01:00 +00:00
services
servo
startupcache
storage
supply-chain	Bug 2056192 - Mark glean-sym as audit-as-crates-io=false while the crates.io one is a placeholder r=emilio,supply-chain-reviewers	2026-07-21 14:20:34 +00:00
taskcluster	Bug 2056270 - Update dump_syms to version 2.6.8 r=afranchuk	2026-07-21 14:21:47 +00:00
testing	Bug 2053580 - Use EndPartialMatch() for whole-word searches. r=jjaschke,dom-core-reviewers	2026-07-21 15:43:01 +00:00
third_party	Bug 2021386 - Vendor in latest skv changes. r=mak	2026-07-21 16:54:56 +00:00
toolkit	Bug 2056583 - Reset mPurgeInProgress on PurgeBounceTrackers error paths r=manuel	2026-07-21 16:58:38 +00:00
tools	Bug 2051545 - Highlight blocked trackers in the address bar. r=fluent-reviewers,desktop-theme-reviewers,flod,daleharvey,dao	2026-07-21 14:24:48 +00:00
uriloader
widget	Revert "Bug 2047140 [Linux] Keep D&D source GtkWidget live until D&D operations is finished r=emilio" for causing build bustages at nsDragService.cpp	2026-07-21 12:42:46 +00:00
xpcom	Bug 1963079 - Exclude spurious parent-channel loads from zero-byte-load telemetry r=necko-reviewers,valentin	2026-07-21 07:50:10 +00:00
xpfe/appshell
.arcconfig
.babel-eslint.rc.js
.clang-format
.clang-format-ignore
.cron.yml	Bug 2046482 - enable cron-bouncer-check on esr153. r=releng-reviewers,bhearsum DONTBUILD	2026-07-21 15:44:18 +00:00
.editorconfig
.git-blame-ignore-revs
.gitattributes
.gitignore
.hg-annotate-ignore-revs
.hgignore
.hgtags
.lando.ini
.lldbinit
.mailmap
.mcp.json
.prettierignore
.prettierignore-css
.prettierignore-non-css
.prettierrc.js
.rstcheck.cfg
.stylelintignore
.stylelintrc.js
.taskcluster.yml
.trackerignore
.yamllint
.ycm_extra_conf.py
AGENTS.md	no bug - agents: when treeherder-cli isn't installed, suggests to install it r=ai4dev-reviewers,suhaib	2026-07-21 12:04:44 +00:00
AUTHORS
build.gradle	Bug 2052887 - Move detekt to top level as a plugin r=geckoview-reviewers,android-reviewers,nalexander,ahochheiden	2026-07-21 05:43:40 +00:00
Cargo.lock	Bug 2055979. Update mp4parse-rust to 8a49a0769764. r=media-playback-reviewers,alwu	2026-07-21 12:00:25 +00:00
Cargo.toml
CLAUDE.md
client.mk
CLOBBER
CODE_OF_CONDUCT.md
configure
configure.py
eslint-file-globals.config.mjs
eslint-ignores.config.mjs
eslint-rollouts.config.mjs
eslint-subdirs.config.mjs
eslint-test-paths.config.mjs
eslint.config.mjs
GNUmakefile
gradle.properties
gradlew
gradlew.bat
LICENSE
mach
mach.cmd
mach.ps1
Makefile.in
mots.yaml
moz.build
moz.configure
mozilla-config.h.in
package-lock.json
package.json
pyproject.toml	Bug 2056392 - Remove ipc/ipdl from ruff exclude list, r=ipc-reviewers,mccr8	2026-07-21 04:07:23 +00:00
README.md
SECURITY.md
settings.gradle	Bug 2052887 - Move detekt to top level as a plugin r=geckoview-reviewers,android-reviewers,nalexander,ahochheiden	2026-07-21 05:43:40 +00:00
srcdir-resolver.js
stylelint-rollouts.config.js
substitute-local-geckoview.gradle
test.mozbuild

README.md

Firefox is a fast, reliable and private web browser from the non-profit Mozilla organization.

Contributing

To learn how to contribute to Firefox read the Firefox Contributors' Quick Reference document.

We use bugzilla.mozilla.org as our issue tracker, please file bugs there.

Resources

Firefox Source Docs is our primary documentation repository
Nightly development builds can be downloaded from Firefox Nightly page

If you have a question about developing Firefox, and can't find the solution on Firefox Source Docs, you can try asking your question on Matrix at chat.mozilla.org in the Introduction channel.