sonata-project/SonataAdminBundle — pull request #825 by thanosp (2012-06-12 10:23:09+00:00)
Title: BC break fix. get for forms is now getVar

This crashes at least when inserting a new many to many row with ajax (like media in galleries).
get($name) is now getVar($name) according to the 2.1 bc-breaking form changes.