K2 just released an update to support Windows 8 for the client components and Windows Server 2012 for the server components. There is support for IIS 8 and Internet Explorer 10 as well in this update. There are performance enhancements for the all important smart objects framework which powers the smartforms and improvements to email notifications. Check out more info on this release at portal.k2.com
You can get the latest K2 update KB1370 now. Feature Highlights are: · The ability to run a K2 Designer for SharePoint process designed in one environment in another environment without modification · Multiple enhancements to K2 Services and SmartObject Services, including filtering · Support for using different versions of InfoPath forms for different versions of a K2 Designer for SharePoint process Download it from the Customer Portal.
K2 recently released update 1350(KB1350). It provides support for Internet Explorer 9 and the latest service packs for Windows 7 (SP1), VS.NET 2010 (SP1) and Windows Server 2008 R2 (SP1). You can download it from the customer Portal.