- Prevents empty notification emails from being sent
- Hooks to WP's post update and rewrite post notification logic
- Prevents scheduling multiple queues of the same newsletter
- Fixes issue with segments not updating when scheduling a newsletter
- Removes depreciated hash field & associated logic
- Simplifies cron status message
- Implements newsletter change detection between scheduled queues
- Implements detection for subscribers who unsubscribed from list
- Implements detection for WP users who changed roles
- Updates scheduler worker logic
- Various fixes
- refactored and fixed listing issues (related to Segments)
- removed bulk actions from segments
- added synchronize methods for WP users
- Update action in segments only for WP Users list
- added "type" column to segments (default, wp_users, dynamic...)
- added "status" column to subscriber_segment table (useful soon)