Fix non-public custom fields would be removed when using the "Wipe publicly viewable custom fields on self-disable" option.
Public is determined if the "Viewable on profile pages" or "Viewable in message user info" are set for the user field
Improve SEO of user mentions by ensuring the /members/id links are render in the form /members/username.id removing the use of a redirect.
Fix user mentions did not reliably render for guests, and when they did they might have generated a link which required a redirect to reach the canonical url
Fix "Rich text user mentions" option did not reliably trigger
Fix posts/show route did not render custom user mention code
Note; Any SEO impact of removing a redirect can take an undetermined amount of time to apply
Fix missing mini-avatar-editor-integration.min.js in public redistributable build
Fixes for 'disabled user with act-as-deleted flag' feature
Fix quoting a user didn't show the real username if the visitor had the "bypass privacy" permission
Redact username from posts, even if the account hasn't been renamed. As the name is denormalized in a number of places, this is not consistant or fully effective.
Prevent logins/password resets/new email confirmations for accounts that are extra-disabled
Add server-side validation for "Prevent administrators changing the primary group" option instead of just disabling the field in html