SharePoint 15 New Features

1. New SharePoint Apps Marketplace.
   
   Namespace:
   
   using  Microsoft.SharePoint.AppManagement
    
2. Support new Database provider. You can attach Database like MSSQL and any other.
   
   using Microsoft.SharePoint.Administration.DatabaseProvider namespace
    
3. Authentication with a service that supports OAuth 2.0 bearer token authentication.
   
   using Microsoft.SharePoint.IdentityModel.OAuth2 namespace
    
4. Minimal Download Strategy (MDS) framework.
   
   using Microsoft.SharePoint.WebControls.MdsCompliantAttribute
    
   Indicates whether the script, style, and field. All controls that render inside an AjaxDelta control must either have this attribute or be in a whitelisted assembly for which all controls are compliant.
    
   For More Details about MDS:
   
   http://blog.furuknap.net/minimal-download-strategy-in-sharepoint-2013
    
5. SharePoint Duet: A cloud version of the Duet add-on Developed by SAP and Microsoft that allows SharePoint to integrate with SAP applications.
6. Rights Management Services (RMS) integration.
   
   
   • it has its own user permissions.
   • it has its own licensing.
     
     
7. The Client Object Model is extended with Search. The functionality corresponds to that of Microsoft.Office.Server.Search we know from the current SharePoint Object Model. 
   
   
   • Contains information about a keyword based search query.
   • Regular search results feteched from the underlying search engine.

    

8. Contains ASP.NET server controls that are used on site and list pages in a SharePoint site.
   
   <%@ Register Tagprefix="SharePoint" Namespace="Microsoft.SharePoint.WebControls"
      Assembly="Microsoft.SharePoint, Version=11.0.0.0, Culture=neutral,
      PublicKeyToken=71e9bce111e9429c" %>
    
9. Provides properties for workflow events.
   
   Download SharePoint 15 Technical Preview
   http://www.microsoft.com/en-us/download/confirmation.aspx?id=28768