- Fixed wrong group information in tags after deleting a group. Added fix to Troubleshooting -> First Aid -> Maintenance.
- Fixed rare error “A variable mismatch has been detected” when switching group filter on tags page.
- Fixed: deleting group didn’t delete corresponding translation (with WPML).
- Alphabetical Tag Cloud: Made sorting locale-sensitive if Collator not available.
- Raised minimum WP version to 4.9.