Please report issues found to the release candidate announcement thread.
Final release is scheduled for 2024-01-24.
Download the release from:
https://repo.jenkins-ci.org/incrementals/org/jenkins-ci/main/jenkins-war/2.426.3-rc34287.96dc95a_55e9c/jenkins-war-2.426.3-rc34287.96dc95a_55e9c.war
After final release, the official changelog and official upgrade guide will be available on www.jenkins.io/download.