Release Notes for v3.1.1

Date: 27th May 2026

Warning

Upgrading directly from versions prior to 2.5.1 to 3.1.1 is not possible!

Recommended Upgrade Path: First upgrade to 2.5.1, then install 3.1.1.

MetaDefender Aether™ v3.1.1 (including MetaDefender Sandbox™ capabilities)

MetaDefender Aether v3.1.1 provides database package updates via proxy and several minor enhancements.

What’s New

  • Database Package Updates via Proxy - Database packages can also be downloaded if the system connects to the Internet via a proxy server: Database package updates

Improvements

  • Suppressed AV Misdetections for Demo Report - The release artifact contained a demo report in JSON format that was incorrectly detected by some AV engines. This report has been encoded to suppress these misdetections.

Bug Fixes

  • Fixed CEF Syslog Summary - The broker component could not generate the CEF Syslog summary due to a data conversion issue.


Next to read:
Previous change logs

See the "Technical Datasheet" for a complete list of features: https://docs.opswat.com/filescan/datasheet/technical-datasheet

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Release Notes for v3.1.1MetaDefender Aether™ v3.1.1 (including MetaDefender Sandbox™ capabilities)Date: 27th May 2026What’s NewImprovementsBug Fixes