Release 1.1 (2002/03/26)

• Changed some basic data structures to get more performance using STL etc.
• Changed the field access methods to get more performance.
• Changed some class hierary hierarchy.
• Fixed some minor bugs.

Release 1.06 (2000/03/05)

• Updated WIN32 and GLUT samples.
• Supported Macintosh to compile with no change.
• Fixed some minor bugs.

Release 1.05 (1999/07/10)

• Moved most codes into the source (*.cpp) files instead of the header files. 
• Fixed some PROTO bugs.

Release 1.04 (1999/03/14)

• Added BeOS and Cygwin support for TimeSensor node.
• Updated a vrml-java package for behaviors in Script node.
• Fixed a bug of Extrusion node.

Release 1.03a (1998/10/16)

• Fixed a bug when Script nodes call shutdown().
• Change include files in vrml.l and vrml.y.

Release 1.03 (1998/09/19)

• Added some compiler flags.
• Supported PNG file format in ImageTextureNode.
• Changed class name of node classes; ex, Appearance -> AppearanceNode.
• Fixed some minor bugs.

Release 1.02c (1998/03/31)

• Fixed  parser syntax to read null MField objects normally (ex. Coordinate { point [] } ).
• Fixed a bug of CylinderSensor which can not access the 'isActive' field normally.
• Changed a assertion of JNode class.

Release 1.02b (1998/03/15)

• Fixed a parser algorithm to load PROTOs normally.
• Fixed a bug in destructor of Node class so that it can delete the instance nodes normally.
• Changed assertions of JNode class.

Release 1.02a (1998/02/26)

• Supported automatic loading files of Inline.
• Supported loading a file of the URN style for ImageTexture, Inline Script, and Scenegraph class .
• Supported creating a  instance node by USE keyword.
• Supported automatic switching of children nodes for LOD and Switch node.

Release 1.02 (1997/10/15)

• Fixed an automatic normal generation bugs.
• Added a support for loading GIF and JPEG files of ImageTexture node.
• Added an automatic texture corrdinate generation algorithm..
• Added a support for bindable events.

Release 1.01 (1997/09/25)

• Fixed the remove method of LinkedList class. If you add a node which was removed from a scene graph again, the node couldn't add normally.
• Geometry nodes have a display list for OpenGL.

Release 1 (1997/08/17)

• Conformed to JSI specification in more detail.
• Changed the event update algorithm.
• Added a support for the PROTO keyword.

Release1 beta3 (1997/04/19)

• Fixed the getTransformMatrix method of Node class. The method returned the invalid value when Transform nodes were nested.
• Changed the CString class to the JString because the class name competed with Visual C++.
• Changed the CVector class to the JVector.
• Fixed the load method of SceneGraph class. The method couldn't read a file again.
• The USE and DEF keywords is able to be used normally.

Release1 beta2 (1997/04/13)

• Added find* methods to SceneGraph class.
• Added a nextTraversal method to node classes.
• Added a getMatrix method to Viewpoint class.
• Added a getTransformMatrix method to Node class.
• Fixed the next method of GroupingNode class.
• Fixed the internal root node has no the parent node.