fiddler everywhere whats new hero banner

Fiddler Everywhere

Release History

Archived release. This page is no longer updated. Check the Latest Release

Fiddler Everywhere v8.4.0

November 9, 2026

Version 8.4.0

NEW
  • Added  Fiddler CLI for command-line control of Fiddler Everywhere.
FIXED
  • Fixed CVE-2026-104657: Improved integrity verification for release binaries installed by the official agent skill.
  • Fixed CVE-2026-104656: Sanitized URLs in imported session archives before displaying them.
  • Fixed Fiddler remains unresponsive after Windows wakes from sleep.
  • Updated third-party dependencies to address potential security vulnerabilities.

Fiddler Everywhere

Product overview Download

New features & Roadmap

Have a feature request?

Post your feedback via the Fiddler Everywhere Feedback portal or the Public forums

What's new across all Telerik products?

See all updates

Get Started Waves

Next Steps

Download

With dedicated technical support.

Check Pricing

Purchase individual products or any of the bundles

Suggest a feature

Help us shape our roadmap