Ergonomics, protocols, standards, security… Since its creation, we’ve been constantly optimizing Dainsy. Our software updates allow our customers to benefit from the latest IT solutions. And efficiency means 0 downtime. Your data never stops. And neither do we. So, are you up-to-date?

Dainsy versions and updates.

VersionSummary
4.2.0Dainsy 4.2.0
March 31st, 2026

What’s new
– Add supports for Harvester, Proxmox, and HyperV virtual platforms, as alternatives to VMware.
– Manage variables via the Cockpit dictionary with secure control over their values and quality.
– Welcome to app-snmp, the new application dedicated to the SNMP protocol.
– Send realtime notifications using NTFY, a lightweight open source publish/subscribe service that delivers messages over HTTP to subscribed clients.
– App-mqtt nor offer full support for JSON payloads.

Improvements
– Modernized web interface with patternfly 6.
– Bug fixes.

Security
This release includes numerous security improvements/updates.

For more information, see the release notes.
4.1.0Dainsy 4.1.0
March 31st, 2025

What’s new
– Lightweight historian for Dainsy data.
– Implementation of a high-availability cluster controller.
– Wireguard VPN support.
– FUXA online process visualization software.
– Historical Data Access support for UA OPC server.

Improvements
– Advanced RAUC mechanism.
– Bug fixes.

Security
This release includes numerous security improvements/updates.

For more information, see the release notes.
4.0.4Dainsy 4.0.4
March 12 2024
 
What’s new
– Authorization mechanism for app-opcua.
– App-S8000 statistics.
 
Improvements
– Upgraded to 1.05.03 model for app-opcua.
– Bug fixes.
 
Security
– This release includes multiple security improvements/updates.
 
For more information, see the release notes.
4.0.3Dainsy 4.0.3
October 29th 2023
 
What’s new
– Added Siemens SIMATIC IPC BX-39A support.
– Synchronization of Dictionnary data between targets of an high availability cluster.
 
Improvements
– Performance improvements.
– Dictionnary searching improvements.
– Bug fixes.
 
Security
– This release includes multiple security improvements/updates and configuration policy hardening.
 
For more information, see the release notes.