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  Guava library upgrade (breaking changes!)

  Summary Jenkins bundles Guava, a core Java library from Google. Beginning with Jenkins 2.320 (released on November 10, 2021), Jenkins has upgraded the Guava library from 11.0.1 (released on January 9, 2012) to 31.0.1 (released on September 27, 2021). Plugins have already been prepared to support the new version of Guava in JEP-233. Use the Plugin Manager to upgrade all plugins before and after upgrading to...

  Basil Crow November 9, 2021
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  New eBook: Fortune 500 Developers and Engineers Turn to Jenkins for Real-World Results

  If you’ve been following JenkinsIsTheWay.io, you’ve read some fantastic stories from the Jenkins user community about the great stuff they are building with Jenkins. With over 200,000 installations to date, Jenkins remains the most widely used open-source automation server. And story after story, we hear what a critical role Jenkins plays in building robust, secure CI/CD pipelines. So it comes as no surprise...

  

  Alyssa Tong September 22, 2021
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  Jenkins IRC moves to Libera Chat

  We are happy to announce that the Jenkins community has moved all its official IRC channels to Libera chat. We have started our migration on May 26 as a response to the hostile takeover of hundreds of open source community channel by the new Freenode management. As decided by the Jenkins governance meeting on June 16th, Libera Chat IRC channels are the only official channels...

  

  Mark Waite

  

  Oleg Nenashev June 17, 2021
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  New eBook: Jenkins is the Way for IT and software developers

  A little over a year ago, we launched JenkinsIsTheWay.io, a website whose sole purpose is to share Jenkins user stories with the developers and engineers in our community. Over a hundred of you have already shared your innovations, and they just keep coming. It comes as no surprise that many of the submitted stories are from IT consultants...

  

  Alyssa Tong June 10, 2021
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  Apache Commons Digester library removal (breaking changes!)

  Keeping up with our goal to clean up some of the technical debt inside Jenkins Core and reduce the maintenance overheads, we are happy to report we were able to remove a long-deprecated Apache Commons Digester library. Jenkins Core does not depend anymore on Apache Commons Digester v.2.1, a version that has been released in 2010. Some plugins will require update to...

  

  Baptiste Mathus June 4, 2021
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  Jenkins Operator becomes an official sub-project!

  We are happy to announce that Jenkins Operator officially became an official Jenkins sub-project. What does it mean for the project? Becoming an official part of the Jenkins project was a major step towards better alignment with the overall Jenkins’ roadmap and more opportunities to increase adoption of the Jenkins Operator project. Finally, with a dedicated team at VirtusLab actively maintaining the project...

  Bartek Antoniak

  Sylwia Brant April 15, 2021
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  Update-Center certificate rotation

  On the 29th of March 2021, we’ll rotate the Jenkins update center certificate. The existing certificate expires in April 2021. When the new certificate is installed on March 29, 2021, Jenkins versions older than 2.178 (April 2018), won’t be able to communicate with the default and experimental update centers. Instances using alternative update centers (self-hosted or vendor-provided) will not be affected by this...

  

  Olivier Vernin March 15, 2021
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  Docker image updates

  Beginning with Jenkins 2.279 and Jenkins 2.263.4, the Jenkins project is upgrading the base operating system and Java version used in the jenkins/jenkins:latest and jenkins/jenkins:lts images. The update replaces OpenJDK 8u242 with AdoptOpenJDK 8u282 and replaces Debian 9 ("Stretch") with Debian 10 ("Buster"). Why? We’re changing the base image so that we have a better supported operating system and a more current Java...

  

  Mark Waite February 8, 2021
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  Testing Jenkins 2.249.1 on Windows

  This article describes our observations during Windows testing of the Jenkins 2.249.1 release candidate. Upgrade testing Jenkins 2.249.1 is a new long term support release with user interface improvements and changes in Windows support. It is the first long term support release to drop support for Microsoft.NET framework 2.0. The end of support for Microsoft.NET framework 2.0 was announced in the Windows Support Updates...

  

  Mark Waite

  

  Vlad Silverman September 12, 2020