- Sort toggle (s key): switch between Size/Date/Name sorting
- Date column: shows creation date for datasets and snapshots
- Dry-run mode (D key): preview deletions without actually deleting
- Mouse support: click to select, scroll, right-click to mark
- Config file: ~/.config/zfsdu/config.toml for customizable colors
- Auto-refresh (a key): toggle automatic refresh every 30 seconds
- Help overlay: accessible with ? key (in addition to F1)
- Updated function key bar with new shortcuts
- Updated README with all new features and configuration section
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