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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
1636506 P1 Treeherder: API API to determine which tests a task executed Armen [:armenzg]
1643117 P1 Treeherder: Frontend Login improvements Sarah Clements [:sclements]
1623951 P1 Treeherder: Frontend Convert hash urls to standard urls in treeherder and perfherder IFV Sarah Clements [:sclements]
1576966 P2 Treeherder: Frontend Convert Selenium tests to React Testing Library where possible/practical Cameron Dawson [:camd]
1649798 P2 Treeherder: Log Viewer Add option to always show job information in log viewer Cameron Dawson [:camd]
1654892 P2 Treeherder: Log Parsing & Classification Add log parsing support for "Unsuccessful task run with exit code: 137 completed in x seconds" Sarah Clements [:sclements]
1368985 P2 Treeherder: Data Ingestion job_loader:MissingPushException: No push found in {go-bouncer,socorro} for revision X Sarah Clements [:sclements]
1638424 -- Treeherder: Frontend Translate WPT paths in the test path filter Armen [:armenzg]
1654643 -- Treeherder: Data Ingestion Ingest test groups metadata (a.k.a. MOZHARNESS_TEST_PATHS) Armen [:armenzg]
1657162 -- Treeherder: Frontend update to nice names for platforms Sebastian Hengst [:aryx] (needinfo on intermittent or backout)