Jenkins 2.12 和 2.7.1 发布了，Jenkins 主要用于持续、自动地构建/测试软件项目，如CruiseControl与DamageControl，监控一些定时执行的任务。
Jenkins 2.12 改进记录如下：
DescriptorVisibilityFilters for ComputerLauncher, RetentionStrategy and NodeProperty.
Before starting a process, ensure that its working directory exists. (Issue 36277)
NullPointerException during SCM polling if
(Issue 36232, regression in 2.11)
Performance: Improve configuration page load times by removing the CodeMirror reloading cycle. (Issue 32027)
Fix optional plugin dependency version resolution. (Issue 21486, previous fix was reverted in Jenkins 2)
When creating a tar file, ensure that the final size does not exceed the value in header in the case of growing files. (Issue 20187)
BUILD_TAG environment variable description to mention the replacement of slashes with dashes.
Internal API: Make
Jenkins 2.7.1 主要改进如下：
Installation Wizard: Do not offer creating new admin user if the security is preconfigured. (Issue 34881)
API: Make it easier for
UpdateSites to tweak the InstallationJob.
Fix the repeatable item delete button layout in Safari. Addresses Build Steps and other such configuration items. (Issue 35178)
NullPointerException on startup after update from Jenkins 2.5.
Explicitly declare compatibility of Windows build agent service with .NET Framework 4. (PR #2386)
Honor noProxy settings from "Manage Jenkins > Manage Plugins > Advanced". (Issue 31915)
API: Restrict external usages of jenkins.util.ResourceBundleUtil. (Issue 35381)
Internal: Upgrade Groovy to 2.4.7 to finalize the fix in Jenkins 2.7. (Issue 34751)
了解更多改进信息，查看 Jenkins 2.7.1 完整改进记录。