# mozregression

Published articles for mozregression.

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## mozregression - Engineering Productivity Project of the Month

DevFeed: [mozregression - Engineering Productivity Project of the Month](<https://devfeed.tech/articles/mozregression-engineering-productivity-project-of-the-month-20300.md>)

Original publisher: [Read original article](<https://parkouss.wordpress.com/2016/01/11/mozregression-engineering-productivity-project-of-the-month/>)

Author: parkouss

Published: 2016-01-11T14:47:05Z

Content type: article

Language: en

Sources: [Mozilla Automation](<https://devfeed.tech/sources/mozilla-automation.md>)

Topics: [Firefox](<https://devfeed.tech/topics/firefox.md>), [Mozilla](<https://devfeed.tech/topics/mozilla.md>), [Tool](<https://devfeed.tech/topics/tool.md>)

Tags: [bug](<https://devfeed.tech/tags/bug.md>), [contribution](<https://devfeed.tech/tags/contribution.md>), [debug](<https://devfeed.tech/tags/debug.md>), [documentation](<https://devfeed.tech/tags/documentation.md>), [engineering-productivity](<https://devfeed.tech/tags/engineering-productivity.md>), [firefox](<https://devfeed.tech/tags/firefox.md>), [firefox-for-android](<https://devfeed.tech/tags/firefox-for-android.md>), [irc](<https://devfeed.tech/tags/irc.md>), [maintainers](<https://devfeed.tech/tags/maintainers.md>), [mozilla](<https://devfeed.tech/tags/mozilla.md>), [mozregression](<https://devfeed.tech/tags/mozregression.md>), [regression](<https://devfeed.tech/tags/regression.md>), [reporting](<https://devfeed.tech/tags/reporting.md>), [tool](<https://devfeed.tech/tags/tool.md>)

### AI overview

This article presents mozregression, a Mozilla Engineering Productivity project for finding regressions in Firefox and Firefox for Android. The tool downloads pre-built builds between known good and bad dates or changesets and uses bisection to identify the smallest range where a regression appears. It also describes its graphical interface, ongoing work, maintainers, contribution opportunities, and bug reporting.

### Source excerpt

Hello from Engineering Productivity! Once a month we highlight one of our projects to help the Mozilla community discover a useful tool or an interesting contribution opportunity. This month's project is mozregression! Why is mozregression useful ? mozregression helps to find regressions in Mozilla projects like Firefox or Firefox on Android. It downloads and runs ... Continue reading mozregression - Engineering Productivity Project of the Month

## mozregression - new way for handling merges

DevFeed: [mozregression - new way for handling merges](<https://devfeed.tech/articles/mozregression-new-way-for-handling-merges-20298.md>)

Original publisher: [Read original article](<https://parkouss.wordpress.com/2015/11/14/mozregression-new-way-for-handling-merges/>)

Author: parkouss

Published: 2015-11-14T09:42:48Z

Content type: article

Language: en

Sources: [Mozilla Automation](<https://devfeed.tech/sources/mozilla-automation.md>)

Topics: [Testing](<https://devfeed.tech/topics/testing.md>), [Mozilla](<https://devfeed.tech/topics/mozilla.md>)

Tags: [automation](<https://devfeed.tech/tags/automation.md>), [contribution](<https://devfeed.tech/tags/contribution.md>), [integration](<https://devfeed.tech/tags/integration.md>), [mozilla](<https://devfeed.tech/tags/mozilla.md>), [mozregression](<https://devfeed.tech/tags/mozregression.md>), [python](<https://devfeed.tech/tags/python.md>), [regression](<https://devfeed.tech/tags/regression.md>), [taskcluster](<https://devfeed.tech/tags/taskcluster.md>), [test](<https://devfeed.tech/tags/test.md>)

### AI overview

This article proposes improving mozregression's handling of merge commits during regression bisection. The approach uses Taskcluster builds to narrow the range, identifies the branch containing the merged commits, and bisects that push range.

### Source excerpt

I am currently investigating how we can make mozregression smarter to handle merges, and I will explain how in this post. Problem While bisecting builds with mozregression on mozilla-central, we often end up with a merge commit. These commits often incorporate many individual changes, consider for example this url for a merge commit. A regression ... Continue reading mozregression - new way for handling merges

## mozregression 1.0.0 and GUI 0.4.0 updates

DevFeed: [mozregression 1.0.0 and GUI 0.4.0 updates](<https://devfeed.tech/articles/mozregression-updates-20296.md>)

Original publisher: [Read original article](<https://parkouss.wordpress.com/2015/09/12/mozregression-updates/>)

Author: parkouss

Published: 2015-09-12T10:23:57Z

Content type: release

Language: en

Sources: [Mozilla Automation](<https://devfeed.tech/sources/mozilla-automation.md>)

Topics: [releases](<https://devfeed.tech/topics/releases.md>), [Mozilla](<https://devfeed.tech/topics/mozilla.md>)

Tags: [automation](<https://devfeed.tech/tags/automation.md>), [contribution](<https://devfeed.tech/tags/contribution.md>), [mozilla](<https://devfeed.tech/tags/mozilla.md>), [mozregression](<https://devfeed.tech/tags/mozregression.md>), [mozregression-gui](<https://devfeed.tech/tags/mozregression-gui.md>), [release](<https://devfeed.tech/tags/release.md>), [updates](<https://devfeed.tech/tags/updates.md>)

### AI overview

This update announces mozregression 1.0.0 and a 0.4.0 release of its GUI. New capabilities include launching a single build, selecting a build after a skipped build, automatic update checks, and integration of the command-line tool as a Mozilla mach command.

### Source excerpt

A lot of new things have been added in mozregression recently, and I think this deserve a blog post. I released mozregression 1.0.0! Plenty of new cool stuff in there, the ability to launch a single build, to choose the build to test after a skipped build (allowing to go back faster in the good/bad ... Continue reading mozregression updates!