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About mozregression

mozregression is an interactive regression range finder for Mozilla nightly and inbound builds. It uses a binary search algorithm for quickly determining a changeset range corresponding to when a problem was introduced. It is widely used by Mozilla developers and other community members to help find regressions.

Currently, mozregression can work with:

To get a feel for how mozregression works, you can see the (pretty old but still useful) video on, or take a look at the quick start section.

Recent news:

Number of downloads for the gui version: