We have released astah* professional, UML and community version 6.2.1 which include a lot of bug-fixes from the former version, 6.2.

astah* professional
http://astah.change-vision.com/en/product/astah-professional.html
astah* UML
http://astah.change-vision.com/en/product/astah-uml.html
astah* community
http://astah.change-vision.com/en/product/astah-community.html

You can find the list of fixed bugs on the Release Note.
Please update to the 6.2.1.

Best regards,

astah* Development Team