Resharper 4.5 – what is new in this version?

Today I read a post about Resharper 4.5. Ilya Ryzhenkov told about new version, what was improved, what is new and so on.

As I understand it’s a great changes in Resharper architecture, in memory and performance management and in integration with Visual studio.

This version is a platform for Resharper 5.x and Visual studio [...]