Fiddler allows you to inspect all HTTP(S) traffic, set breakpoints, and “fiddle” with incoming or outgoing data. The update fixes a lot of bugs and has various smaller improvements. Fiddler is freeware and can debug traffic from virtually any application, including Internet Explorer, Mozilla Firefox, Opera and thousands more. The official change log can be found here:..Improved support for Windows Phone emulator, improved support for the Windows Phone Emulator, and many bug fixes.
Source: https://thehackernews.com/2010/11/fiddler-v2310-web-debugging-proxy-tool.html