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Getting Started

  • Getting Set Up To Work On The Firefox Codebase

Working On Firefox

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Firefox User Guide

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  • Firefox DevTools User Docs
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Source Code Documentation

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  • Writing Rust Code
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The Firefox Build System

  • Mach
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  • Vendoring Third Party Components

Testing & Test Infrastructure

  • Automated Testing
  • Understanding Treeherder Results
  • Sheriffed intermittent failures