If you are not using liquibase, you probably should. Having your database schema under source version control will give you peace of mind. The Database Migration plugin helps you manage database changes in your Grails applications while using Liquibase on the background.
@wpgreenway's tutorial is probably the best introduction to the Grails Database Migration Plugin
. The Multiple Step Migration section certainly helped me out this week.
I was really happy to see that the OCI Grails Quickcast is still alive. This time it introduces one of the coolest features in recent Grails development; Json Views.
Watch @jeffscottbrown to learn about JSON Views templates, static compilation ...
GORM became so good that it has eventually got a life of its own outside Grails. Same as the assets-pipeline. It is still core to Grails but you can use GORM outside a Grails app.
Moreover, it features other implementations than Hibernate; such as Neo4j, Casandra, Redis, MongoDB.
If you ever need to introduce someone to GORM or sharpen your GORM skills, this @jeffscottbrown's video is probably what you need.
Checkout the slides too.