What can we expect in SharePoint 15 – first official documents released

Microsoft has made available the first official documents for the next version of SharePoint (v15) to the public. They are: SharePoint 15 Technical Preview Managed Object Model Software Development Kit Which contains a limited overview of some new classes. Interesting in here is the mention of “Apps” (for example in the new SPApp class).   Also quite interesting is Office 15 Technical Preview – Open Specification Update, which contains also Details