Here's now the beta version, it's only avaiable in german, but I guess you may figure it out anyway if you don't speak german.
The WMP export is disabled for the beta because it's only for testing, and without the export tool it is useless for game development. There was a bug which let IceX2 crashing after you save a level and re-opened it. It should now be fixed. The road tool for the new terrain shader isn't finished yet (the road tool is not the street tool), if you use it you may get pixel errors on your terrain or a crash.
Blendmap tool is also not finished, the slopes don't work in that version. All other new things: try it, test it, have fun

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Download:
http://stonehill-online.de/main/IceX2_2_beta.zip
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