- Supported macOS 26.

- Supported OS is changed to macOS 15 or later.

- Fixed a minor issue.

- Supported macOS 15.

- Privacy fixes.

- Supported macOS 14.

- Fixed a minor issue.

- Fixed Continue Game issue.

- Fixed resource.

- Added Warn Checker.

- Added piece with moving guide.

- Fixed UI.

- Fixed to return an error when a file fails to open.

- The buttons for Position Editor were changed.

-The display of the range of movement of opponent's pieces has been modified to show the movement to the opponent's pieces as well.
- Buttons are no longer displayed in the Position Editor.
- Fixed a problem in which the Start Time of the Start Situation property was not reflected.

- Graphics have been changed.
- Added the ability to display the range of movement of enemy pieces during play.
- Window size can be changed.
- Supported OS is changed to macOS 12 or later.

- Supported macOS 12.

- Supported macOS 11.

- Fixed an issue where the total time and time of Property were reversed.

- Updated the metadata.
- Please choose “Game” from the Menu Bar to play game with the computer.

- Updated the image resource.

- Supported macOS 10.12.

- Supported above Mac OS X 10.9.

- Fixed the japanese help.

- Improved stability.