Allaire ColdFusion Studio 4

Allaire ColdFusion Studio 4 is the second major version of the ColdFusion Studio integrated development environment (IDE), released in November 1998 by Allaire Corporation.

Version 4.5
Allaire ColdFusion 4.5 was announced in November 1999; public beta testing commenced with a matching new version of ColdFusion Studio 4.5.

After Macromedia absorbed Allaire Corporation in a merger in March 2001, Macromedia continued to market ColdFusion Studio 4.5, which was updated to version 4.5.2. It was also bundled as part of Macromedia ColdFusion 4.5 UltraDev 4 Studio and was later superseded by Macromedia ColdFusion Studio 5.