SoftGrid 4.2 Tech Priview June 2, 2007. The Technology Preview of SoftGrid 4.2 is out. I posted an early look at it on my blog over on BrianMadden.Com. By Tim Mangan Tim is a Microsoft MVP, and a Citrix CTP Fellow. He is an expert in App-V and MSIX. View all of Tim Mangan's posts.