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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
1521157 P1 Treeherder: Frontend Create a prototype UI to display the overall health of a push Cameron Dawson [:camd]
1346567 P1 Treeherder: Infrastructure cycle_data is failing on stage/production Ionuț Goldan [:igoldan], Performance Sheriffing
1509181 P1 Treeherder: Data Ingestion GitHub pushes should be ordered by push time, not author time of the head commit Simon Sapin (:SimonSapin)
1169263 P2 Treeherder: Docs & Development Switch the local development environment to something docker based Armen [:armenzg]
1533299 P2 Treeherder: Log Parsing & Classification Save button is grayed out Cameron Dawson [:camd]
1473777 P2 Treeherder: Frontend use getData function in lieu of fetch directly (where possible) Cameron Dawson [:camd]
1485094 P2 Treeherder: Frontend Treeherder details have a lag when it comes to getting updated on a secondary pc Cameron Dawson [:camd]
1507903 P2 Treeherder: Frontend Stop using react-select v2 Cameron Dawson [:camd]
1510280 P2 Treeherder: Frontend TreeHerder producing multi-second UI stalls after loading more data Cameron Dawson [:camd]
1296077 P2 Treeherder: Data Ingestion Jobs stuck in the "running" state Kyle Lahnakoski [:ekyle]
1277528 P2 Treeherder: Infrastructure Transition Treeherder to being supported by Operations Karl Thiessen [:kthiessen, he/him]
1416266 P2 Treeherder: Docs & Development [Meta] Make the Treeherder contributing experience less painful Karl Thiessen [:kthiessen, he/him]
1459183 P3 Treeherder: Log Parsing & Classification single character not highlighted in bold as matching anymore Cameron Dawson [:camd]
1531759 -- Treeherder: Log Parsing & Classification Modify treeherder's bugfiler to set bug type as 'defect' Sebastian Hengst [:aryx] (needinfo on intermittent or backout)
1531761 -- Treeherder: Log Parsing & Classification Add input field for new Bugzilla fields 'regressed by' [bug] to Treeherder's bugfiler Sebastian Hengst [:aryx] (needinfo on intermittent or backout)
1535420 -- Treeherder: Frontend Collapsing a push should change the collapse icon from '-' to '+' Cameron Dawson [:camd]
1533882 -- Treeherder: Infrastructure Access to moz-devservices Jake Watkins [:dividehex]
1536248 -- Treeherder: Infrastructure IAM and RDS access to moz-devservices Jake Watkins [:dividehex]