From VSIP Diaries...
The April v2 RTM is the next milestone in the VS 2005 SDK. This RTM release contains updated VS Integration sample and documentation content, including updates to the IronPython end-end integration sample with Winform designer integration, updated C# and C++ Editor Reference samples, new examples ( CustomSearchProvider, RegExLanguageServi, XMDesigner, LanguageInADialog, CodeSweep, ToolboxControlsInstaller, SingleFIleGenerator ), addition of Package.Shell and Package.LanguageService MPF source code, DSL Tools extensibility, updates to VSTS content to match RTM, and signed VSTA bits to round out the major updates.
Available from www.vsipmembers.com after you login.
Thanks
Dr. eX