For anyone contributing to 4.x builds of Hibernate, you'll want to acquaint yourself with the project's documentation, which is mature and extensive. This will be your go-to-guide for almost any question. Since pre-4.0 versions of Hibernate use Maven for builds, most developers will want to know how certain things in Maven translate to Gradle. For these developers, there is a three-part guide that helps Maven-users learn Gradle.
So let's take a poll. Has Hibernate's decision changed your mind about Gradle or Maven? Whether you're a Hibernate contributor or not, do you think the project developers made the right decision in moving Hibernate development over to Gradle for its builds?