Jenkins for DC/OS Release Notes

Jenkins 4.0.0-2.204.6 was released on 16, July 2020.

Jenkins 4.0.0-2.204.6

Improvements

Updates to Jenkins version 2.204.6 (LTS)
Updates jenkins-mesos-plugin to 2.0.0 which is a major overhaul of the plugin.
- The jenkins-mesos-plugin has been replatformed on the Unified Scheduler Iterface (USI) Library which provides better long-term support and more rapid delivery of Mesos features. The following features are in use:
  - Mesos v1 API
  - Offer-suppression
  - Universal Container Runtime
  - Multi-Tenancy Features
Support for configurable Jenkins plugins
- Removes previous hardcoded list of bundled plugins.
- A list of user desired plugins can be specified at installation time which will be installed into the service before it is started.
Jenkins Configuration as Code (JCasC) is bundled by default and is used to configure Jenkins and its plugins.

Configuration options have changed significantly from the previous releases. See the options compatiblity matrix for differences between current and previous releases.
Universal Container Runtime (UCR) is now the default containerizer for the Jenkins master.
The default user has changed from root to nobody for both the Jenkins Master and Agents.
Agent label linux is applied by default.