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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
1670064 P1 Treeherder: Data Ingestion don't depend on successful request to fetch artifact list from firefox-ci to interact with other task information like failure lines Sebastian Hengst [:aryx] (needinfo me if it's about an intermittent or backout)
1752137 -- Treeherder stockwell 'needswork:owner' whiteboard tag duplicated by intermittent commenter bot Sebastian Hengst [:aryx] (needinfo me if it's about an intermittent or backout)
1746622 -- Treeherder: Data Ingestion Ingest push classifications from mozci bardou
1749962 -- Treeherder Loosing Treeherder authentication every few hours Sarah Clements [:sclements]
1746426 -- Treeherder Allow retrying staging/dev tasks on Focus in treeherder Sarah Clements [:sclements]