Fixes and improvements
- automatically approve or reject the comments of deleted users so that they do not linger in queues #3638
- overhaul of accessibility for screen readers in the comment stream #3613
- improve accessibility of tab regions #3642
- serve appropriate response codes and errors for invalid media #3610
- handle edge case for empty fields in external media field #3643
- better handle mailer timeouts #3645
- improved Afrikaans translations #3681
- better handle aborted retry errors #3644
- disable collapsible flattened replies in flatten replies mode #3646
- fix bug in modals #3650
- allow disabling rate limiting in production mode #3653
- fixed a bug related to modals always closing for every click event #3685
- properly removing deleted comments from the moderation queues when a user is deleted #3638
- AMP configuration now in the admin under Configure -> Advanced #3466
- trace IDs will now appear in the stream allowing users to provide a unique identifier for any error they receive. These identifiers will appear in the logs #3593