Jenkins OSS LTS 2.107.2-cb-1

Update Apache Mina SSHD Core from 1.6.0 to 1.7.0 in CLI client.

Update Executable War from 1.37 to 1.38 to show an error when an attempt is made to run Jenkins on Java 9.

Always show the master node in the executors widget, even when it is offline.

Periodically persist the build queue so it can be restored on abnormal process termination.

Reduce memory footprint of jenkins.model.lazy.AbstractLazyLoadRunMap#search in descending order.

Add ConcurrentLinkedQueue to white-listed classes for use in XStream (XML serialization) and Remoting (agent communication).

Clean up the build.xml files of parameterized projects that contained unnecessary serialized data.

Improve robustness in case a build with parameters was stored with a null list of parameters.

Display estimated remaining time again for Pipeline jobs.

JEP-200: Whitelist org.apache.tools.ant.Location to prevent deserialization exception when listing agent files in non-existent directory or invalid filter.

Restore serialVersionUID of AbstractTaskListener.

Prevent FileNotFoundException in hudson.Util#loadFile in case of race condition.

Make proxy views work inside folders.

Upgrade Winstone from 4.1.0 to 4.1.2 to prevent User session memory leak by setting the default idle session eviction timeout to 30 minutes.

Fix translation of 'sign up' in Dutch, used to be 'sign in'.

Prevent NullPointerException in AbstractProject#checkout when the agent disconnects during a build.