Get it here or via 'Help > Check for Updates'.
Please ensure you have 'Auto-Save' and 'Backups' enabled in the Preferences
What's changed from 9.0.2.1:
- Fixed crash switching between filtered and unfiltered tasklists
- Fixed spurious sounds during 'Attribute Editor' usage
- Fixed translation of 'Simple/Rich Text' context menu items
- Fixed restoration of 'Allow sorting by clicking on column headers' preference
- Fixed 'Comments' enabled state after toggling 'View > Maximise Task View'
- Fixed 'Attribute Editor > Date/Time/Time Period' user interactions
- Fixed 'Default Tags' not appearing in corresponding 'Find Tasks'/'Filter Bar' droplists
- Improved 'Find Tasks > Rules > Colour' editing