sehmaschine/django-grappelli — pull request #420 by silviogutierrez (2013-12-07 19:29:20+00:00)
Title: Fixed version which added Rearrange Inlines.

I was running 2.4.4 which doesn't actually have Rearrange Inlines. Not sure if your policy is to only mention MAJOR.MINOR as the version that added a feature. But only 2.4.6 and forward have this. See 2aff65acd27b138e24aae517d84ec15b522f14af.