Momentum 5.2 is now available for download via the MessageSystems customer portal. This release delivers platform upgrades, enhanced security, and improved observability across your email infrastructure.

## New features

- **RHEL 10 Support** (Intel x86_64 & ARM aarch64) – Deploy on Red Hat Enterprise Linux 10 across both Intel and ARM platforms for broader OS compatibility
- **TLS v1.3 for SMTP** – Strengthened encryption and faster handshake performance for SMTP connections using GnuTLS
- **New DNS Configuration Options** – Finer control over DNS behavior with configurable UDP buffer sizes and dynamic source port reuse limits

## Improvements

- **Enhanced Observability** – New message fields for better delivery diagnostics, smarter log throttling, and streamlined metrics management
- **Platform & Dependency Updates** – Updated bundled components and streamlined packaging for improved performance, security, and easier maintenance

## Fixes

Several bug fixes for improved stability.