| P2 || Fix in the next release cycle or the following (nightly + 1 or nightly + 2)
|-
| P3 || Backlog
|-
| P4 || Do not use, this priority is for web platform test bots
|-
| P5 || Will not fix, but will accept a patch
|}
: This field describes the importance and order in which a bug should be fixed compared to other bugs. This field is utilized by the programmers/engineers/release managers/managers to prioritize the work to be done. See the Firefox [https://firefox-source-docs.mozilla.org/bug-mgmt/policies/triage-bugzilla.html triage documentation] and [https://firefox-source-docs.mozilla.org/bug-mgmt/guides/priority.html priority definitions], or for the main Bugzilla project, [[Bugzilla:Priority_System]].