; Rank
: Used by some groups to provide finer-grained ordering for working on bugs than afforded by the Priority field. Use of this field is restricted to the `rank-setters` group.
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; Regressed by
: This bug has been introduced by the bugs listed here.
{{anchor|regresses}}
; Regressions
: This bug has introduced the bugs listed here.
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; Reporter
; Triage Owner
: User that is responsible [https://mozilla.github.io/bug-handling/triage-bugzilla for triaging bugs in a specific component].
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; Type
: This field describes the type of a bug.
{{anchor|bug_file_loc}}
; URL