http://blogs.technet.com/b/stefan_gossner/archive/2012/01/31/sharepoint-15-technical-preview-managed-object-model-sdk-available-for-download.aspxThis download contains the following developer documentation: SharePoint 15 Technical Preview Managed Object Model SDK: This compiled help (.chm) file contains reference topics focusing only on types and members that are called by other Microsoften-USTelligent Evolution Platform Developer Build (Build: 5.6.50428.7875)http://blogs.technet.com/b/stefan_gossner/archive/2012/01/31/sharepoint-15-technical-preview-managed-object-model-sdk-available-for-download.aspx#3478377Wed, 01 Feb 2012 18:39:34 GMTd5e57398-b9ef-4490-9955-07cbb4e4a80d:3478377parclarke_hotmail.com<p>Whoa! What&#39;s an SPApp? </p> <div style="clear:both;"></div><img src="http://blogs.technet.com/aggbug.aspx?PostID=3478377" width="1" height="1">http://blogs.technet.com/b/stefan_gossner/archive/2012/01/31/sharepoint-15-technical-preview-managed-object-model-sdk-available-for-download.aspx#3478360Wed, 01 Feb 2012 17:23:46 GMTd5e57398-b9ef-4490-9955-07cbb4e4a80d:3478360Craig Lussier<p>Nice to see this early documentation release. Noticing some new namespaces and classes... Let us know when more documentation becomes available.</p> <div style="clear:both;"></div><img src="http://blogs.technet.com/aggbug.aspx?PostID=3478360" width="1" height="1">http://blogs.technet.com/b/stefan_gossner/archive/2012/01/31/sharepoint-15-technical-preview-managed-object-model-sdk-available-for-download.aspx#3478256Wed, 01 Feb 2012 09:38:57 GMTd5e57398-b9ef-4490-9955-07cbb4e4a80d:3478256Satheesh MSFT<p>Hello Stefan..</p> <p>How do i participate in SharePoint 15 Technical preview... </p> <div style="clear:both;"></div><img src="http://blogs.technet.com/aggbug.aspx?PostID=3478256" width="1" height="1">