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
24236	Custom ManyToManyFields don't generate SQL database changes	Markus Holtermann	Markus Holtermann	"Regression introduced in 3d4a826174b7a411a03be39725e60c940944a7fe

If user writes a class, inherited from `ManyToManyField` (""custom"" m2m field) and doesn't define a `get_internal_type(): return ""ManyToManyField` the schema backends won't recognize it as a m2m field and thus don't treat it as such.

This breaks existing code."	Bug	closed	Database layer (models, ORM)	1.7	Release blocker	fixed			Ready for checkin	1	0	0	0	0	0