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Changes between Initial Version and Version 1 of Ticket #39123, comment 17

initial	v1
8	8	IMO, allowing all users to edit their own logins and nicenames is not a good idea, because it starts to empower every user with the ability to break other areas of the system (namely author URLs.) I can see admins having exclusive access, but I can also imagine average website owners not understanding the negative impact that losing an author archive of posts is without an adequate redirect strategy.
9	9
10		Tangentially, if we are going to start backing up old slugs for everything (not just posts) then we should build an adequate API to do so, so that taxonomy terms will also benefit.
	10	Tangentially, if we are going to start backing up old slugs for everything (not just posts) then we should build an adequate API to do so, so that taxonomy terms will also benefit, in addition to having something plugins can use (we just needed to rewrite our own approach for BuddyPress Group Slugs in 2.9.0.)