Working On Firefox
Firefox User Guide
Source Code Documentation
The Firefox Build System
Testing & Test Infrastructure
Localization & Internationalization
Firefox and Python
Metrics Collected in Firefox
Both FOG and the Glean SDK require some storage in the
Firefox Profile Directory.
At present FOG’s storage is limited to its preferences.
The Glean SDK stores things in the
Glean Data Directory
which can be found at <profile_dir>/datareporting/glean.