Bug Fixes
- Task completion state persistence - Task completion now saves final state to prevent stale progress display in UI
- Duplicate broadcast emails prevention - Fixed race condition that could cause duplicate emails during concurrent task execution
- Notification center unsubscribe tracking - Unsubscribes via notification center link are now tracked in broadcast statistics
- Email builder column widths - Email builder now respects column width attributes in section blocks
- Bulk import duplicate handling - Contact bulk import now handles duplicate emails in a single batch
- Liquid in image alt text - Image alt text now supports Liquid template variables