Released: May 29, 2026

Updates in v7.8.0

Features

• Exposed caching of agent calls through the Fiddler MCP.
• Updated the list of available models in Assistant settings tab.
• Updated third-party dependencies to mitigate potential security vulnerabilities.

Fixes

• Fixed issue where MCP get_sessions_details returns compressed body when sanitization is used.
• Fixed issue where requests to bedrock-runtime are not displayed in Agent Calls tab.
• Fixed issue where certificate errors are shown in application logs when certificate is trusted.
• Fixed...

Released: Apr 16, 2026

Updates in v7.7.3

Fixes

• Fixed issue where the MCP get_sessions tool is failing with agents that require object-root structured responses.
• Fixed issue where the MCP tool get_session_details does not properly return request and response bodies for POST requests.

Released: Mar 26, 2026

Updates in v7.7.2

Features

• Introduced a new API endpoint for MCP API key generation.

Fixes

• The empty state of the Agent Calls tab did not provide clear guidance.

Released: Mar 18, 2026

Updates in v7.7.1

Features

• Updated third-party dependencies to mitigate potential security vulnerabilities.

Fixes

• Fixed issue where the returned comment from the Agent Cache response shows the wrong origin session ID.

Released: Mar 12, 2026

Updates in v7.7.0

Features

• Introduced Agent Cache functionality, enabling users to capture and selectively cache real Agent request/response pairs.
• Upgraded the application's core backend runtime to the latest supported version.
• Updated third-party dependencies to mitigate potential security vulnerabilities.

Fixes

• Autosave could not be disabled when there is quota limiting the functionality.
• Debugging Assistant continued to function after the Fiddler Everywhere trial had expired.
• Email addresses were duplicated...

Released: Jan 20, 2026

Updates in v7.6.0

Features

• Upgraded the application's core frontend technologies and UI component libraries to latest supported versions.
• Updated third-party dependencies to mitigate potential security vulnerabilities.

Fixes

• Fixed issue where JSON format and tables are not displayed correctly in Debugging Assistant.

Released: Nov 18, 2025

Updates in v7.5.0

Features

• Added Debugging Assistant, enabling users to connect their preferred LLM model and enhance HTTP traffic analysis and debugging workflows.
• Added managed application configuration allowing administrators to control Debugging Assistant access.

Fixes

• It was possible to configure the same reverse proxy port multiple times through MCP.
• SSE over HTTP/1.1 fails the entire session when unchunking is unsuccessful.
• Updated third-party dependencies to mitigate potential security vulnerabilities.

Released: Oct 23, 2025

Updates in v7.4.0

Features

• Added Fiddler Everywhere MCP server, enabling users to leverage Fiddler’s capabilities inside their AI-powered IDEs.
• Added a data sanitization tool that lets users remove sensitive information from traffic before saving, exporting or sharing with the MCP server.
• Added managed application configuration allowing administrators to control MCP server access.
• Added a Save button to the AutoSave dialog for easier state changes.

Fixes

• Open Autosave Dialog shortcut could open the dialog...

Released: Sep 4, 2025

Updates in v7.3.0

Features

• Added a Save button to the Reverse Proxy and Network Capture dialogs for easier state changes.
• Improved Compact view in Live Traffic grid.

Fixes

• Fixed issue where the body inspector scrolled to the top while reviewing a streaming session that is still in progress.
• Fixed issue where the best inspector is not automatically selected when switching between sessions with different body types.
• Updated third-party dependencies to mitigate potential security vulnerabilities.

Released: Aug 14, 2025

Updates in v7.2.0

Features

• Now shows streaming responses in real time in the body inspectors.
• Now groups multiple error messages into a single notification for a better user experience.

Fixes

• Fixed issue where the Folders tree selection in the save resources dialog is in the wrong place.
• Fixed issue where Toolbar buttons flicker when application window is resized for small monitors.
• Fixed issue where the application window is not visible when its previous location is outside of the screen boundaries.