TechNucleus

Following is the high-level list of SharePoint 2010 features and enhancements. For detailed information you can check it here.
New in SharePoint 2010

• Language Integrated Query (LINQ)
• AJAX Support
• Ribbon navigation
• List Enhancements
  • New Scale Limits
  • XSLT Views for better customizations
  • Cascade deletes/Updates
  • Formula Validation for Column like Excel
  • External Data List Type - allows to connect external data such as databases or web services.
• Business Connectivity Services (BCS) - New name for BDC and drastically enhanced.
• Silverlight integration
• Client side object Model
• Sandbox Solutions - deploy in a secure environment.
• Added More Services - Word,Visio, Performance Point and Access Services in addition to Excel and InfoPath Form Services.
• New enhancements to InfoPath Form Services
  • Replace default list forms to InfoPath form
  • New mobile form capabilities
• Well Integrated with Visual Studio 2010
  • Browse SharePoint environment from server explorer to see lists, libraries, Content types, etc.,.
  • Web Parts Visual elements
  • improved Web Solution Package (WSP)
  • Development on Windows 7
• Developer Dashboard
• Communities
  • Enhanced Blogging and wikis
  • Tagging and Rating
  • Activity Feeds - Stay informed and track colleagues updates
  • Social Bookmarking - can be internal or external web sites
  • Enhanced My Sites
  • Enhanced User Profiles
  • Organization Browser
• Search
  • Extensible Search web parts
  • preview content with integrated FAST technologies
  • Phonetics people search
  • Outlook Address book style lookup
  • FAST Search - need separate license
• Content Management
  • Document Management
    • Metadata views instead of hierarchical folder based navigation
    • Location based metadata
    • Document Routing to specific location
    • unique document IDs instead of URL based location
    • Taxonomy services
    • Document Sets - Manage collection of different content (doc,ppt,xls) into a set
  • Records Management
    • Multi stage disposition
    • In place records management
    • location based file plans
    • e-discovery
  • Web Content Management
    • New Enhanced UI
    • XHTML Compliant
    • Enhanced Page libraries
  • Digital Asset Management
    • Support most common digital assets like Video, Audio, Images
    • Bit Rate Throttling with IIS - Just in time delivery of the content instead of deliver the entire video to the user at maximum speed.
    • Remote BLOB (Binary Large OBject) storage
    • Silverlight WebPart and Media Player
  • Workflows
    • Now Workflows are Customizable
    • Allowed Site Workflows
  • SharePoint Workspace (Previously known as Groove) - allow to work offline and sync the lists, libraries and forms