Release Notes > JTGO 4.0 Release Notes > Compatibility Issues > Miscellaneous

JTGO 4.0 is based on JViews Diagrammer 6.0 and JViews Maps 6.0. A version of these products is installed in the directories jviews-diagrammer60 and jviews-maps60 at the same level as JTGO.

Supported Java Environments

This release of JTGO relies on the Java Development Kit, version 1.3.1 or later. (JDK 1.3.1 has been available since May of 2000.) Note that this release will be the last release to support JDK 1.3.1 as the JDK 1.5 will be released shortly.

Online Search

An online search engine has been added to the HTML documentation. There is a limitation with Microsoft Internet Explorer that causes the search to fail from time to time. If this happens, there is an error message. Re-running the search should fix the problem.