Skip to main content
Skip table of contents

Supported Versions

The following provides an overview of the supported versions of the Signum Server, as well as information about managing versions of the Signum Agents.

The general guidance is that Server Versions can be greater than Agent version. However, Agent versions cannot be greater than the Server Version unless the Major/Minor versions match. To reduce the number of Agent versions to manage, and if there are no changes to the Agents, matching versions of the Agents may not always be released with each update.

With each new Major or Minor release, Keyfactor supports the preceding release for a minimum of 12 months.

Released Versions

Supported versions of Signum server releases with the compatible agents:

Signum Server

Windows Agent

Linux Agent

macOS Agent

Released February 2026

4.70.1

4.20.0 - 4.70.1

4.30.1 - 4.70.1

4.70.1

Released December 2025

4.60.3

4.20.0 - 4.60.2

4.30.1 - 4.60.3

4.60.3

Released October 2025 - Supported until December 2026

4.60.2

4.20.0 - 4.60.2

4.30.1 - 4.60.2

-

Released August 2025 - Supported until December 2026

4.40.2

4.20.0 - 4.40.1

4.30.1 - 4.40.1

-

Released June 2025 - Supported until December 2026

4.40.1

4.20.0 - 4.40.1

4.30.1 - 4.40.1

-

Released April 2025 - Supported until December 2026

4.30.4

4.20.0 - 4.30.4

4.30.1

-

Released February 2025 - Supported until June 2026

4.30.1

4.20.0 - 4.30.1

4.30.1

-

Released November 2024 - Supported until June 2026

4.20.0

4.20.0

4.20.0

-

Previous Versions - no longer supported

Previous versions of Signum server and agent releases, no longer supported.

Signum Server

Windows Agent

Linux Agent

macOS Agent

Released June 2024 - Supported until December 2025

4.10.0

-

-

-

Released April 2024 - Supported until December 2025

3.80.2

-

-

-

Released January 2024 - Supported until June 2025

3.73.3

-

-

-

Released December 2023 - Supported until June 2025

3.73.2

-

-

-

Released September 2023 - Supported until June 2025

3.72.2

-

-

-

Released July 2023 - Supported until November 2024

3.71.1

-

-

-

Released May 2023 - Supported until November 2024

3.70.1

-

-

-

Released April 2023 - Supported until November 2024

3.61.4

-

-

-

JavaScript errors detected

Please note, these errors can depend on your browser setup.

If this problem persists, please contact our support.