Jenkins 2.1 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。本次更新记录如下：
Enable disabled dependencies during plugin installations. (issue 34494)
Force ordering between GPG and jarsigner to ensure correct GPG signature. (pull 2285)
Secured Jenkins installations didn't properly save the queue on shutdown. (issue 34281)
Add dependency resolution to manually uploaded plugins. (issue 15057)
Show Jenkins version on setup wizard. (issue 33535)
Update remoting to 2.57. (issue 33999)
Allow retrying plugin downloads in setup wizard. (issue 33244)
Add links to homepage of plugins and dependencies in setup wizard. (issue 33936, issue 33937)
Improved handling of the 'close' button during setup wizard. (issue 34137)
Wrong spacing in flat mode of 'Create Item' screen. (issue 31162)
Add timestamp to the jarsigner signature. (pull 2284)
Improved French translation. (pull 2267)
Improved Lithuanian translation. (pull 2286)
Improved Brazilian Portuguese translation. (pull 2273)
Prevent errors when hiding management links. (issue 33683)
Internal: Make logger field private. (issue 34093)
Shorter timeout for plugin downloads to prevent setup wizard from hanging. (issue 34174)
Check if job is buildable before showing 'Build with parameters' page. (issue 34146)
Fixed race condition in slave offline cause. (issue 34448)
Allow enabling disabled dependencies in the plugin manager to fix broken configurations. (issue 32340)
Always display clicked scrollspy items as active in setup wizard. (issue 33948)
Prevent multiple installations of the same dependency. (issue 33950)