In January we announced the release of SCM API 2.0. After the original release was published we identified four new high-impact issues. We decided to remove the new versions of the plugins from the update center until those issues could be resolved. The issues have now been resolved and the plugins are now available from the update center. Summary for busy Jenkins Administrators Upgrading should make multi-branch projects much better....

This is a guest post by Patrick Wolf, Director of Product Management at CloudBees and contributor to the Jenkins project. I am very excited to announce the addition of Declarative Pipeline syntax 1.0 to Jenkins Pipeline. We think this new syntax will enable everyone involved in DevOps, regardless of expertise, to participate in the continuous delivery process. Whether creating, editing or reviewing a pipeline, having a straightforward structure helps to understand and predict the flow of the...

With only a couple of months left before Blue Ocean 1.0, which is planned for the end of March, I have been highlighting some of the good work being finished up by the developers hacking on Blue Ocean. This week was a grab bag of important behind-the-scenes features and finalising the preview of the editor. The merge of the SCM API changes also made it in. The editor has the new sheets style...

We just released security updates to Jenkins, versions 2.44 and 2.32.2, that fix a high severity and several medium and low severity issues. For an overview of what was fixed, see the security advisory. For an overview on the possible impact of these changes on upgrading Jenkins LTS, see our LTS upgrade guide. I strongly recommend you read these documents, as there are a few possible side...

This is a guest post by Sam Van Oort, Software Engineer at CloudBees and contributor to the Jenkins project. Today I’m going to show you best practices to write scalable and robust Jenkins Pipelines. This is drawn from a combination of work with the internals of Pipeline and observations with large-scale users. Pipeline code works beautifully for its intended role of automating build/test/deploy/administer tasks. As it is pressed into...

As we get closer to Blue Ocean 1.0, which is planned for the end of March, I have started highlighting some of the good stuff that has been going on. This week was 10 steps forward, and about 1.5 backwards…​ There were two releases this week, b19 and b20. Unfortunately, b20 had to be released shortly after b19 hit the Update Center as an incompatible API change in a 3rd party plugin...

As we get closer to Blue Ocean 1.0, which is planned for the end of March, I have started highlighting some of the good stuff that has been going on, and this week was a very busy week. A new Blue Ocean beta (b18) was released with: Parametrized pipelines are now supported! i18n improvements Better support for matrix and the evil (yet somehow still used) Maven project type (don’t use it!) SSE fixes...

This is a guest post by Liam Newman, Technical Evangelist at CloudBees. Introduction With all the new developments in Jenkins Pipeline (and Declarative Pipeline on the horizon), it’s easy to forget what we did to create "pipelines" before Pipeline. There are number of plugins, some that have been around since the very beginning, that enable users to create "pipelines" in Jenkins. For example, basic job chaining worked well in many cases, and the Parameterized Trigger...