For Firefox quality, Mozilla has different processes to report defects. In parallel, over the years, Mozilla developed many tools around bug management.
.. mermaid::
graph TD
classDef tool fill:#f96;
Community --> B(bugzilla.mozilla.org)
QA --> B
Foxfooding --> B
Fuzzing --> B
SA[Static/Dynamic analysis] --> B
P[Performance monitoring] --> B
Y[Test automation] --> B
Z[Crash detection] --> B
B --> C{Bug update}
C --> D[Metadata improvements]
C --> E[Component triage]
C --> F[Test case verification]
F --> BM{{Bugmon}}:::tool
F --> MR{{Mozregression}}:::tool
D --> AN{{Autonag}}:::tool
E --> BB{{bugbug}}:::tool
D --> BB