The SharePoint Guidance has just been published on Microsoft’s Patterns and Practices Developer Center.

This guidance helps architects and developers build SharePoint intranet applications. The guidance contains a reference implementation (RI) that demonstrates solutions to common architectural, development, and lifecycle management challenges. This guidance discusses the following:

• Architectural decisions about patterns, feature factoring, and packaging.
• Design tradeoffs for common decisions many developers encounter.
• Implementation examples demonstrated in the RI and in the QuickStarts.
• How to design for testability, create unit tests, and run continuous integration.
• Set up of development, build, test, staging, and production environments.
• Managing the application life cycle including upgrade.
• Team-based intranet application development.

The following areas are not discussed in this version of the guidance:

• Content-oriented sites that use Web content management.
• Internet and enterprise-scale SharePoint applications.
• Multilingual SharePoint applications.
• Scale or security testing of SharePoint applications.

MSDN site: SharePoint Guidance
Codeplex site: http://codeplex.com/spg
Community Forum: http://www.codeplex.com/spg/Thread/List.aspx