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Changes between Initial Version and Version 1 of Ticket #22220, comment 2

initial	v1
1	1	Seems somewhat related, but the patch won't fix the issue for non-'post' post types
	2
	3	edit: yes this was regarding the build in "Category" taxonomy. Didn't test for other taxonomies. I think a proper fix wouldn't call wp_set_post_categories in post.php:2652 when nothing should be changed.