The following features have been added. - Added support for iOS13 - Support grand staff - Added the feature to remove unused tags Also fixed some bugs.

- iOS11 & iPhone X have been supported. - Add feature to change Key signature. - Fixed the bug of MIDI export.

- Changing the time signature has been supported - Fixed data compatibility issues -- [Important] About the defect of last update Due to the last update, there was a problem that 3/4 beat song was changed to 5/4 beat and 5/4 beat song was changed to 6/4 beat. I am very sorry, but if the time signature of the song was changed, please change to the original time signature on the property edit screen of the song.

New Features - Multiple notes - Multiple voices (4parts) - Playback count-in - Playback mixer - Add more metres (2/2, 2/3, 2/4, 7/4, 3/8, 5/8, 6/8, 7/8, 9/8, 12/8) And minor improvements and bug fixes.

Fixed a problem that the keyboard does not scroll on iPad Pro.

Fixed notations of chord tensions. - Fixed an issue where #11 was incorrectly displayed as b11. - Fixed an issue where b13 was incorrectly displayed as #13.

Following features are newly supported. - iPhone6/6 plus/7/7 plus support - Landscape mode - Lyrics support - Copy/Cut/Paste of bars - PDF export - Bass clef support - Diatonic Chord Palette - Chord Input History - Repeat symbols and rehearsal mark Additionally, some bugs have been fixed.

Changes: Following features are newly supported. - Visualization of the length of the notes - Test Playing mode - Measure Editing mode - 'Pops - 8beat' style - 'Metronome' style - 3/4 and 5/4 time signatures - Added links to the support website Bug fixes: - Note timing of the MIDI exported file is incorrect - The reaction of the piano keyboard is bad - Tag list not updated after a new tag is added - Some problems on iOS 8