id	summary	reporter	owner	description	type	status	component	version	severity	resolution	keywords	cc	stage	has_patch	needs_docs	needs_tests	needs_better_patch	easy	ui_ux
19575	1.5rc breaks custom querysets (at least in my case)	anonymous	nobody	"A custom queryset that was working through 1.5b2 breaks under rc1. I keep getting ""'AuthQuerySet' object has no attribute '_known_related_objects'"" when trying to invoke methods on a class that uses the queryset.

I've confirmed that I do not get the error in b2 but do get the error in rc1 - so I'm comfortable stating that something changed for the worse between b2 and rc1.

I'm really sorry this is so vague, but I don't understand the error message, and I don't know what code to post. I'd be happy to chat with someone on IRC about it though, and I can run any tests suggested.

Perhaps it's related to https://github.com/django/django/pull/617 ?"	Bug	closed	Uncategorized	1.5-beta-1	Normal	invalid			Unreviewed	0	0	0	0	0	0