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:
- firefox - default
- thunderbird
- fennec (Firefox for Android)
- B2G (FirefoxOS)
To get a feel for how mozregression works, you can see the (pretty old but still useful) video on codefirefox.com, or take a look at the quick start section.