Hello, I spent some time to migrate Webkeepass to a new server with Ubuntu20/Java8/Tomcat9 and Windows clients with JRE8. The key steps include: Server: - minor modification of Installer java code to adopt to the new keytool class (not absolutely necessary, when copying all WKP files, including password database, from old server. Tomcat certificates generated in installer process should be anyway replaced by newer certificates) - install/configure Tomcat9 from standard Linux distribution source -...