Fixes a text display issue on iOS 26.4.

- Updated for iOS 26 and iPadOS 26.
- In iPadOS 26, the app supports proportional scaling. iPadOS saves your layout in both orientations automatically.

- iOS 18.6 adjustments.

- iOS 18.5 adjustments.

- You can now extend the between-interval time in test mode up to 15 seconds, giving you more time to reflect.

- Resolved a small sound issue.

Two new options for Test Mode:
- You can now choose an infinite think time.
- When infinite think time is selected, tap anywhere outside the fretboard to replay the interval.
The custom interval selection can be set to the intervals of the selected scale.
Minor iOS 18.3 adjustments.

- Minor adjustments for iOS 18 and added support for new devices.

- Minor adjustments and bug fixes.

- Enhanced text clarity and readability.

iOS, iPadOS 17 adjustments.

iOS, iPadOS 16 adjustments.

Minor adjustments for iOS, iPadOS 15.5.

- Fix for layout issue when app is started with the device in horizontal position.

- Fix for a problem with screen rotation.

iOS, iPadOS 15 adjustments.

- Some textual adjustments.
- iOS 14 tested.

- Minor bug fixes.

Some dark mode fine-tuning.

- Dark mode support (iOS 13 required).

- Minor bug fixes.

- Fix for problem with iPad Pro 12.9 inch, 3rd generation.

- Minor corrections and improvements.

- User interface adjustments for the new 11-inch iPad Pro and 12.9-inch iPad Pro (3rd generation).

- Native screen resolution support for iPhone XR.