Jenkins 2.6 发布了，Jenkins 的前身是 Hudson 是一个可扩展的持续集成引擎。主要用于持续、自动地构建/测试软件项目，如CruiseControl与DamageControl。 改进记录如下： Adapt the Setup Wizard GUI to provide a similar user experience when upgrading Jenkins. (issue 33663) Improve extensibility of the Setup Wizard GUI: InstallState and InstallStateFilter extension points. (PR 2281 as supplimentary change for issue 33663) Improve User Experience in the New Item form. Submit button is always visible. (issue 34244) Allow passing a list of safe job parameters in ParametersAction. It simplifies fixing of plugins affected by SECURITY-170 fix. (PR 2353) Added Symbol annotations for ParametersDefinition and BuildDiscarder properties. (PR 2358) Extended the online-node CLI command for accepting multiple agents. (issue 34531) Listed Parameters should reflect what was used when the build ran (filtering of unsafe parameters). (issue 34858) Scalability: Fix performance issues in the XML unmarshalling code. (issue 34888) Support the legacy icon size specification approach in the Status Ball visualization. (issue 25220, regression in 1.586) Migrate the leftover system properties to the new engine introduced in 2.4. (issue 34854) Do not show warnings abot a missing Tool Installer if it is present in at least one Update Site. (issue 34880) Internal: CLI command connect-node was extracted from the core to CLI. (issue 31417) 下载地址：https://jenkins.io/ Jenkins 2.6 发布，可扩展的持续集成引擎下载地址
