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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
1671550 P1 Treeherder Fix build metrics regression template Alexandru Ionescu (needinfo me) [:alexandrui]
1669548 P1 Treeherder: API Add an API to get task IDs, durations, results, and classifications from a given push Cameron Dawson [:camd]
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 Sarah Clements [:sclements]
1599859 P3 Treeherder: Infrastructure Delete pushes older than a year Shubhank Saxena
1671209 P3 Treeherder Add text to "help and resources" dropdown in treeherder/perfherder Sparsh Bansal
1640024 -- Treeherder: Log Parsing & Classification Getting structured log entries with `action` of `group_result` Cameron Dawson [:camd]
1668901 -- Treeherder: Frontend Add keyboard shortcut to toggle classified failures Sarah Clements [:sclements]