Spring boot 4 (kotlin) app using hibernate, preparing for JPA 4

Hibernate ORM
1

ref. this one: Jakarta Persistence 4.0 Milestone 1 - In Relation To

We want to as early as possible use the newer APIs and want to know if there is a timeline and what would be the easiest version to test. And how we can prepare to be compatible with the new spec.

We use spring data as well.

2

I can’t help you with Spring, but we released 8.0.0.Alpha1 which implements this first JPA 4 milestone already.