evanmiller/erlydtl — pull request #27 by garazdawi (2012-05-18 14:27:35+00:00)
Title: Allow nested keys in regroup and dictsort

I've added support to allow the following syntax

{% regroup builds|dictsort:"host.os" by host.os as os_list %}

If this is something which you would want upstream I can spend the time to polish and update tests.