How do I upgrade to a newer YouTrack build or version? Should I back up my database before upgrading?
First, you do not have to back up your database just to upgrade to a newer YouTrack build or version – after you have upgraded, YouTrack will find your database automatically. To upgrade to a newer YouTrack build or version: • Stop YouTrack JAR, or, if you are running YouTrack within an application server, stop the server. • Replace your old youtrack.jar or youtrack.war with a new build or version. Feel free to rename the new file to match the old one. • Start YouTrack JAR or application server.