Excel-DNA v0.33-b2

This is an updated Beta release of version 0.33. The TraceSource-based logging is now used for all error handling the ExcelDna.Integration. The internals of ExcelReference has also been changed.

Excel-DNA v0.33-b1

This is a test release for the new diagnostic logging based on System.Diagnostics.Trace. In particular the warnings and errors logging for function registration have been improved.