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Treeherder is a reporting dashboard for checkins to Mozilla projects (for example, mozilla-central). It allows users to see the results of automatic builds and their respective tests. Treeherder also provides a rich set of APIs that can be used by other projects interested in this information.

Treeherder is the successor to TBPL.

For tracking performance data, see Treeherder's sister project, Perfherder.

For tracking intermittent test failures, see Intermittent Failures View.


To make UI-only changes, you only need to perform a very simple setup running a local webserver pointing at the production backend, described here. If you wish to hack on the backend, or the UI and backend together, you will instead need to set up a Vagrant environment, using these steps.

Source and Docs

  • UI & backend: Source / Docs
  • Treeherder data submission clients:
    • Pulse: Source / docs
    • (Python and Node submission support has been removed.)

Getting in touch

What we're working on

Assigned Treeherder bugs that have been modified in the last month. View on Bugzilla

Full Query
ID Priority Component Summary Assigned to
1863187 -- Treeherder Can we add "How to run locally" info to each job's details? Tooru Fujisawa [:arai]
1864376 -- Treeherder glean-probe-scraper workflow should be run only on master branch Tooru Fujisawa [:arai]
1766520 -- Treeherder: Frontend TreeHerder row gets shorter when you expand a collapsed section Tooru Fujisawa [:arai]
1850001 -- Treeherder: Frontend add view to hide failed tasks which had a successful rerun Tooru Fujisawa [:arai]
1864100 -- Treeherder: Frontend "Filter platforms & jobs" field doesn't match with copied job name Tooru Fujisawa [:arai]
1864125 -- Treeherder: Frontend Intermittent icon isn't shown until reload if the successful job finishes after load Tooru Fujisawa [:arai]
1864319 -- Treeherder: Frontend The existence of the scrollbar changes the layout of jobs, that makes hard to click the job button Tooru Fujisawa [:arai]