Hot off the press, the Patterns & Practices team's Tom Hollander has announced the availability of the first Community Technology Preview (CTP) of Enterprise Library v3.0!

Download it from the new CodePlex site at

Some highlights from Tom's post:


  • Source Code installer
  • Partial Trust Support
  • Strong-Named Binary Assemblies

Validation Application Block

  • Core validation API
  • Minimal Validator Library
  • Attaching validators to objects via attributes
  • Attaching validators to objects via configuration
  • Not included yet (but in the works): Configuration tool support, complete validator library, integration with ASP.NET, Windows Forms, WCF etc.

Data Access Application Block

  • SQL Server Compact Edition Support
  • New Database.UpdateDatabase overload with updateBatchSize parameter

Configuration Tool

  • Visual Studio IDE integration
  • AppSettings support
  • Encryption support

Application Block Software Factory

  • Templates and recipes for creating application blocks and provider libraries
  • Preliminary documentation

Strong Naming Guidance Package

  • Recipes to assist in strong-naming and updating [InternalsVisibleTo] across multiple projects

Don't forget to be among the first to provide feedback for the team via the CodePlex forums.