TCP Deux beta released mactech 23 years ago MacCentral reports that Blue Sky has released beta 3 of its 4th Dimension plug-in, TCP Deux. The plug-ins supported within TCP Deux include 4D Internet Commands v6.7.x, Internet ToolKit v2.0.x and Internet ToolKit v2.5.x. Share this: TCP Deux v1.0.0b01 for 4DMay 18, 2001MacTech NewsTCP Deux v1.0.0 for 4DJuly 26, 2001MacTech NewsTCP Deux v1.0.1September 6, 2001MacTech News