Carlton Gibson 268e7c7747 [2.2.x] Fixed #27462 -- Clarifed pk_set difference in m2m_changed signal receivers for add() and remove().
Thank you to Mariusz Felisiak for review.

Backport of bae05bcf68710cb6dafa51325c3ec83ddda83c39 from master
2019-09-19 11:41:32 +02:00
..
2014-11-03 07:47:39 -05:00