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 9.0.1.1:
- Replaced 'Filter Bar > Show > Find Tasks Filter' suffixes with single heading
- Fixed 'Edit > Other Task Attributes > Open Task File Link'
- Fixed 'Attribute Editor > Date' field focus issues