# Release 2.1.0 and GUI release 0.7.0

DevFeed: [Release 2.1.0 and GUI release 0.7.0](<https://devfeed.tech/articles/release-2-1-0-and-gui-release-0-7-0-20293.md>)

Original publisher: [Read original article](<https://mozilla.github.io/mozregression/2015/12/22/2.1.0-release-and-gui-0.7.0.html>)

Published: 2015-12-22T00:00:00Z

Content type: release

Language: en

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

Topics: [Tool](<https://devfeed.tech/topics/tool.md>), [GUI](<https://devfeed.tech/topics/gui.md>), [Command-line interface](<https://devfeed.tech/topics/cli.md>), [Authentication](<https://devfeed.tech/topics/authentication.md>), [Persistence](<https://devfeed.tech/topics/persistence.md>), [bug](<https://devfeed.tech/topics/bug.md>)

Tags: [authentication](<https://devfeed.tech/tags/authentication.md>), [bug](<https://devfeed.tech/tags/bug.md>), [command-line](<https://devfeed.tech/tags/command-line.md>), [contributors](<https://devfeed.tech/tags/contributors.md>), [gui](<https://devfeed.tech/tags/gui.md>), [persistence](<https://devfeed.tech/tags/persistence.md>), [release](<https://devfeed.tech/tags/release.md>)

## AI overview

mozregression 2.1.0 and GUI 0.7.0 add jsshell integration, reduce build launch time, support certificate-based TaskCluster authentication, allow single-build runs, fix a bisection display regression, and add profile persistence.

## Source excerpt

This is a minor release of the command-line and GUI mozregression tools. On the command line side: Added basic support for jsshell integration (bug 1232036) Reduced build launch time (bug 1216232) Added certificate-based TaskCluster authentication (bug 1227780) And other minor features and fixes: bug 1195390, bug 1231745, bug 1232879, bug 1233649 and bug 1233905. On the GUI side: allow to run a single build - equivalent to --launch argument (bug 1231399) fixed a regression from 0.6.0 that prevented to show the last step of the bisection (bug 1232261) added profile persistence support (bug 1220553) And other fixes: bug 1232660 and bug 1233657 Thanks to Saurabh Singhal and GopianiS! They are new mozregression contributors who helped me with this release.