Right here:
http://www-3.ibm.com/software/os/warp/strategy/
You can read it yourself. Some things I thought were important or interesting:
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* e-business enabling enhancements: IBM plans to provide enhancements for IBM OS/2 Warp(R) 4 and IBM OS/2 Warp Server for e-business, including:
o IBM Web Browser for OS/2 1.1 and IBM Web Browser for OS/2 1.2
o TCP/IP 4.3.2 for both Warp 4 Convenience Package and Warp Server for e-business
o IBM HTTP Server 1.3.20 for Warp Server for e-business
o Windows(R) XP Primary Logon Client, which provides access from Windows XP clients to file and print services on Warp Server for e-business
o IBM OS/2 Warp Developer Kit, Java 2 Technology Edition, Version 1.3.1 for both Warp 4 Convenience Package and Warp Server for e-business
o WebStart
o XML parser
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Source: OS2VOICE