Changed * Documents due to the migration of the project website Added * Support for iPhone 16/17 series, iPhone Air, iPad Pro M4/M5 * Example of sound module settings to the manual Fixed bug * MIDITrail crashes when loading a MIDI file with no notes

Added features * Color configuration * Bar ring for Piano Roll Ring * Function to send note off when paused or stopped and note on when resumed * Support for iPhone 14 Pro, 14 Pro Max * Text file viewer Changed * Key color of Piano Roll Rain * Graphics API from OpenGL to Metal * Button design Fixed bug * MIDITrail is not reading tempo data correctly * The folder button disappears when searching is canceled * MIDITrail crashes when connecting/disconnecting game controller

Added features * Screen gamepad * Saving my viewpoint * Display switch of grid line and time indicator * 2nd light for Piano Roll 3D * Support for iOS 9.0 or later * Support for iPad mini(6th) Changed * View action sheet to popover view Fixed bug * Display item switch flickers on setting view.

Added features * Setting of delay between songs. Fixed bugs * Sending System Exclusive causes crash when data size is zero. * When the action sheet or help view is displayed, the app crashes at the end of song in Folder Playback mode.

Added features * File import button in file list view * Support for Standard MIDI File with illegal chunk size * Support for RIFF-based MIDI File * Sending "All Sound Off" message when pause/stop/skip

Added features * Support for iOS 14 (Core MIDI new API) * Support for iPhone 12 series, iPad(7th,8th) and iPad Air(4th) * Folder playback feature * Playback information display on lock screen * Remote control feature * Creating folder feature and moving file feature on file list view * Moving file feature on background image selection view * Searching for background image files in sub folders * Moving file feature on wavetable file selection view * Searching for wavetable files in sub folders

Added features * Support for folder selection in file list view. * Support for displaying file name in main view. Fixed bugs * MIDITrail crashes when displaying help view on iOS 9.

Added features * View mode "Piano Roll Ring" * File search bar * Support for "Files" app * Support for background playback * Support for dark mode * Auto rotation feature Changed * MIDI device identification rule

Added features * Quarter note length configuration Fixed bugs * VR View is not stereoscopic on iPhone X series * Memory leak of background image processing Changed * Section content of setting view

Added features * Support for game controller Changed * The check mark to switch control on setting screen

Added features * VR View mode * Viewpoint selection menu * Anti-aliasing support * FPS counter * Support for iPad Pro 2018 (11 inch, 12.9 inch) Fixed bug * When the iPad is oriented vertically the main screen protrudes.

Added features * Support for iPhone X,XS,XS Max / iPad Pro 10.5-inch

Added features * Internal wavetable synthesizer * Function to delete files and rename files in background image file list

Added features * function to delete files and rename files in file list * increase of the size of active note Changed features * Brightness the ripple color * Counter string format on iPhone 6 or later Fixed bugs * Piano roll bar flickers in Piano Roll 2D mode * Touch screen to call up play menu not working

Fixed bugs (1) The numerical value of the counter is incorrect

Added feature (1) Support for iOS 64bit (2) Support for iPhone6, iPhone6 Plus and iPad Pro (3) Screen lock feature (4) Background image customization (5) Support for multiple MIDI OUT ports Fixed bugs (1) Japanese locale is not detected

Added feature (1) Support for iPhone5. (2) Ability to import files from other apps. (3) View mode "Piano Roll Rain 2D". Fixed bugs (1) At the start of playback, MIDI data transmission is blocked.