Of course any user can do an upgrade to flyway 4 on its own. But we should support our users so that the next release is shipped with flyway 4. When they upgrade to OASP version 2.6.0 and later to 3.0.0 and bring both states into production then everything should work smooth. This should be stated clearly in the release notes of both versions.
OASP version
3.0.0
will come with flyway 5. Currently we still have flyway 3. There are issues upgrading from 3 to 5 so you first need an intermediate upgrade to flyway 4 first: https://stackoverflow.com/questions/49945098/how-to-upgrade-from-flyway-3-directly-to-flyway-5Of course any user can do an upgrade to flyway 4 on its own. But we should support our users so that the next release is shipped with flyway 4. When they upgrade to OASP version
2.6.0
and later to3.0.0
and bring both states into production then everything should work smooth. This should be stated clearly in the release notes of both versions.