Release History

v6.0.0 FiddlerCore

Breaking Changes

• Dropped support for .NET Framework version 4.8 or lower.
• Deprecated OptimizeThreadPool configuration option.
• The SendBodyAsync method in ClientChatter now returns an integer that represents the size of the data being transferred.
• The SendDataAsync method in PipeBase now returns an integer that represents the size of the data being transferred
• The SendRequestHeadersAsync in PipeBase now returns an integer that represents the size of the data being transferred
• The SendResponseHeadersAsync in PipeBase now returns an integer that represents the size of the data being transferred
• The SessionTimers class has been renamed to SessionMetrics.
• The Timers field in Session has been renamed to Metrics.

Improvements

• Added support for TLS 1.3
• Support for HTTP/2 through the EnableHTTP2 configuration option.
• Support for adding a custom TLS provider through the UseClientTlsProvider configuration option.
• The SessionMetrics has additional information for different timings and sizes throughout the session lifecycle.
• The SAZ archive now contains additional information for timings and sizes.

v5.0.2 FiddlerCore

Improvements

• Add digital signature to the FiddlerCore NuGet package and the FiddlerCore assemblies.

v5.0.1 FiddlerCore

Features

• Add x-ConnectResponseRemoveConnectionClose session flag (documented in the Client flags section).

v5.0.0 FiddlerCore

Fixed bugs

• SSL handshake fails for some servers with TLS1.2

Improvements

• Removal of makecert.exe from FiddlerCore distributions
• Improved the NetworkConnections API
• Included PDBs for the NetworkConnections assemblies in the distributions
• Hook using PAC script only
• Updated FiddlerCore EULA
• Updated FiddlerCore demo project