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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
1596689 P1 Treeherder: Data Ingestion Jobs not updating their state after being classified Sarah Clements [:sclements]
1492003 P1 Treeherder: Frontend Removes usages of jQuery Sarah Clements [:sclements]
1497931 P1 Treeherder: Frontend Switch from bootstrap to reactstrap Sarah Clements [:sclements]
1580893 P2 Treeherder: Frontend Treeherder to support filtering tasks by test path Armen [:armenzg]
1597205 P2 Treeherder: Frontend New third party login for taskcluster deployments is confusing Sarah Clements [:sclements]
1515798 P5 Treeherder: Frontend Convert ui/shared/auth/login.jsx to a reactstrap component Sarah Clements [:sclements]
1605352 -- Treeherder Add Performance FAQ to reference to regression template Alexandru Ionescu :alexandrui (needinfo me)
1599766 -- Treeherder: Infrastructure Integrate Amazon's DB recommended script Armen [:armenzg]