The SDK updates in 1.4 include:
• New Federated Search Samples:
o Custom Federated Search Web Part with a Credentials UI (also available at MSDN Code Gallery)
o Federated Search SQL Server Connector (also available at MSDN Code Gallery)
o Federated Search HTML to RSS Connector (also available at MSDN Code Gallery)
o Federated Search Virtual Earth Map Connector (also available at MSDN Code Gallery)
• Updated documentation files, including updated, offline versions of MSDN Library Technical Articles and Developer Guides
o What’s New in the MOSS SDK 1.4 Documentation
o What’s New in the WSS SDK 1.4 Documentation
• Lots of new documentation for Records Management APIs.
o Microsoft.Office.RecordsManagement.Holds
o Microsoft.Office.RecordsManagement.InformationPolicy
o Microsoft.Office.RecordsManagement.PolicyFeatures
o Microsoft.Office.RecordsManagement.RecordsRepository
o Microsoft.Office.RecordsManagement.Reporting
o Microsoft.Office.RecordsManagement.SearchAndProcess

MOSS SDK 1.4 DOWNLOAD
WSS SDK 1.4 DOWNLOAD