Is it possible for new Flyway migrations to be generated by JPA/Hibernate\'s automatic schema generation when a new model / field etc. are added via Java code.
It would
Flyway doesn't have built-in support for diff, I use liquidbase within a maven spring boot project and changelogs can be created from JPA/hibernate changes by using:
mvn liquibase:diff
All of the options for liquibase diff are located here: http://www.liquibase.org/documentation/maven/maven_diff.html