The Beta version of Fiddler 2.2.9 is now available for download. The update notification's changelist hits the highlights, but there's a ton of new goodies in the new version which I'll be talking about over the next week or so. Beyond a huge crop of architectural and performance improvements, there are tons of bugfixes and some useful new features suggested by the community.
Please download it, try it out, and let me know if you encounter any problems or have any suggestions.
PS: Version 2.2.9 of FiddlerCore, the .NET class library, is also now available for .NET Developers. I'll be writing about this more soon too!