Yes, I guess a dropdown will have to do for now assuming those work. Thanks for the reply!

I have the same issue with 6.1SP2.For the sake of testing I have overlayed /apps/dam/content/schemaeditors/forms/default/image/jpeg/.content.xml with the following content (checkbox definition is taken from http://www.nateyolles.com/blog/2015/11/aem-checkboxes-using-sling-post-servlet):<?xml version...