[Ironruby-core] IronRuby and VS2010  Curt Hagenlocher curth at
microsoft.com Sun Jan 4 11:50:29 EST 2009  Your understanding of
the situation is basically correct.  Internally, we call the
parts of the DLR that are in Microsoft.Scripting.Core.dll the
"inner ring" and the parts that are in Microsoft.Scripting.dll
the "outer ring".  The bits in the inner ring are pretty stable;
its functionality was defined some time ago and is relatively
nailed down now.  There have been bug fixes and small changes,
but for the most part we're pretty happy with the specific
features that it contains.  There will undoubtedly continue to
be small changes between now and the time that CLR4 is released.
Given that we will want people to be able to play with the
dynamic features in C# and VB, I'm sure we'll release builds of
the languages that correspond with subsequent CTPs and betas of
CLR4/VS2010.  But we may again have to use slightly older
versions of the sources.  The reason there was no build of
IronRuby for the first CTP w