List of the undocumented bugs that are fixed in the .NET Framework 1.1 Service Pack 1
Darned interesting stuff from Adrian Bateman:
When Microsoft issues service packs for developer tools and redistributable runtimes or libraries there is usually a knowledge base article published that lists which previously documented problems and bugs have been fixed by the service pack (referring to the KB article describing each issue). These service packs usually include other fixes that were found internally but that hadn't necessarily resulted in a public article. It is much less common for details of these fixes to be made public.
It has been brought to my attention that there are actually two articles that describe the previously undocumented bugs that were fixed in both the .NET 1.0 SP3 and the .NET 1.1 SP1 releases: