Release Notes for v2.5.1

Date: 18th November, 2025

MetaDefender Sandbox 2.5.0 Release Notes

Sandbox 2.5.1 provides OCM-10 integration and several enhancements in this release.

What’s New

  • OCM-10 Integration - Enhanced OCM - Sandbox integration with support for, license management, and health monitoring for improved centralized management.
  • Offline Mode Certificate Validation - Added a transform configuration to whitelist signed files without revocation checks; auto-enabled in air-gapped environments, but can be disabled for maximum security.

Improvements

  • Offline URL Model Update - The URL Reputation Predictor (formerly Offline URL Model) now packs twice the training data for stronger, smarter predictions.
  • Stability & Security - Updated core dependencies to enhance performance and security.

Bug Fixes

  • Trends Page Accuracy - Improved IOC accuracy by refining query logic and whitelisting trusted domains.
  • Trends Page “Last 24 Hours” Filter - Fixed filtering logic to ensure accurate 24-hour statistics.
  • YARA Rules Display - Improved YARA rule handling in the UI to ensure consistent and accurate display for similarly named rules.
  • Email History Pagination - Fixed pagination on the email history page to display unique and accurate results across all pages.
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Next to read:
Release Notes for v2.5.0

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 v2.5.1Date: 18th November, 2025MetaDefender Sandbox 2.5.0 Release NotesWhat’s NewImprovementsBug Fixes