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# Working on Firefox
Welcome to the Firefox codebase. This is the home of the Firefox
development process and source code documentation.
```{toctree}
:caption: Making Changes To Firefox
:maxdepth: 1
contribution_quickref
stack_quickref
pocket-guide-shipping-firefox
editor
reviews
levelling-up
how_to_submit_a_patch
data-collection
data-review
jujutsu
searchfox
ai-coding
```
```{toctree}
:caption: Code reviews
:maxdepth: 1
Code_Review_FAQ
reviewer_checklist
```
```{toctree}
:caption: Debugging
:glob: true
:maxdepth: 1
debugging/*
```
```{toctree}
:caption: Signing
:glob: true
:maxdepth: 1
signing/*
```
```{toctree}
:caption: Additional Information
:maxdepth: 1
directory_structure
build/artifact_builds
build/building_mobile_firefox
build/supported
build/working_with_esr_115
engineering_show_and_tell
filing-good-bugs
```