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
26286	Content type managers instances shouldn't share their cache.	Simon Charette	nobody	"Now that `ContentTypeManager` instances are used in migrations (#23822) they shouldn't share their underlying `_cache` as they might be bound to `ContentType` models from different apps.

This is bug I discovered while working on #24067 which development stalled because it needed more thought."	Bug	closed	contrib.contenttypes	1.8	Release blocker	fixed			Accepted	1	0	0	0	0	0