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This page explains how the JavaScript Team uses Bugzilla.

Bugzilla components

Review flags

The JS team uses the review flags the same way as the rest of Gecko developer. The only difference is the lack of "r-" when a review needs to be revisited, instead the review request is canceled with comments. The "r-" flag is used only in a few cases where multiple reviewers are requested on the same patch, and one of them is opposed to the changes.

Whiteboard flags

A few whiteboard flags are used today in the JS components:

As a convention, anybody can follow the following naming for using the whiteboard to improve Bugzilla searches. However, note that whiteboard searches are not indexed in Bugzilla databases and this might lead to performance issues.

  • [:nick:...] Used by the user :nick for managing bugs.
  • [#channel:...] Used by members of the IRC #channel for managing bugs.

Priority Flags

Priority flags are set based on the current goals. The list of goals can be found in the JS Team document which list all the goals. The addon bugzilla triage helper can be used to set the P1, P2, P3 and P5 (no P4) flags

  • P1: P1 goals or blockers, Security issues. (to be fixed ASAP)
  • P2: P2 goals or blockers. (scheduled to be fixed in an upcoming version)
  • P3: P3 goals or blockers. (backlog; to be fixed one day)
  • P5: (not a priority for Firefox product; might never be fixed)

The Firefox Bug Handling page describes the logic to follow to set the priority flag and status flags.


Severity flags should be N/A for enhancement and tasks. Any others should have a severity set from S1 to S4, which definitions are listed in the source documentation.


The triage effort is currently held by the triage owners, and supported by Jason Orendorff and Nicolas B. Pierron. They mainly work off the following lists:

  • List of non-prioritized bugs - This list is used to set the missing priority flags and whiteboard flags to the corresponding bugs and sometimes needinfo? people.
  • Are We Triaged Yet - Scroll down to the bottom, under "Pending Untriaged (defects only)". This reports per-component the number of bugs which need to be triaged.
  • Triage Center — List all non-triaged bugs for all JS components.

P1 re-triage

A weekly meeting is held every Thursday to re-triage P1 which have seen no activity for a while. The following searches are lists of non-meta and non-stalled P1 issues affecting Firefox VV.

In this case affecting means: status-firefoxVV == affected || (status-firefoxVV is-empty && creation-date <= betaVV-merge-date). To avoid re-iterating over iterating every weeks over the same bugs, we filter out bugs which have been changed in the last 10 days.