Hi experts, While working on the reference implementation of the new/changed aspects of method validation, I noticed that we still need an update of our XML schema to allow for the creation of XML-based mappings of method constraints [1]. Things might still be a bit in flux regarding cross-parameter constraints, but apart from that I think it's a good time to get started with the schema changes. It would be awesome if someone felt like giving this a try and creating a proposal for the schema update. Matt, Michael, maybe one of you guys would like to go for it? Thanks, --Gunnar [1] https://hibernate.onjira.com/browse/BVAL-273