Spring.NET 1.1.1 has been released. 

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This is bugfix and minor enhancement release.  Important bug fixes are:

PreviousPage property was not set correctly during Server.Transfer.
Fix rendering of validation user controls.
A few minor enhancement were made.  Of note, the debug build is now a signed assembly and the release build is compiled using the flag /DEBUG:pdbonly.  Please refer to the changelog for details.