Among the innovations for the test driver was the ability to customize the batch execution with the inclusion of custom-designed dialog boxes and menus, which were built with the User Interface Editor.
A script could create tens of browsers, drive them, feed them with data, collect statistics and monitor the state of the test.
In version 4.0, the ability to access its capabilities from Visual Basic and C++, lost with 3.0, was regained.
[1] Version 6 (5 was skipped) from Rational incorporated support Microsoft Active Accessibility (MSAA), support for HTML and Web pages and ability to read and change the Windows Registry.
Mainsoft Corporation created a ported version called MainWin Visual Test 4.0r for Unix.
Visual Test was integrated with other Rational products: Purify, and Quantify, PureCoverage and ClearCase.