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SignServer Community 5.11 Release Notes


The SignServer team is pleased to announce the newest release of our open-source signing software SignServer Community Edition with version 5.11 and thank each and every SignServer Contributor for your work in getting us here.

These release notes cover new SignServer Community features and improvements implemented between SignServer Community 5.10 and SignServer Community 5.11.

This community release introduces Debian package signing. The release also includes a refreshed SignServer Community UI and upgrades Bouncy Castle to version 1.72.


Debian package signing 

SignServer Community now supports signing of Debian packages using the dpkg-sig format and OpenPGP keys, which was previously only available in SignServer Enterprise Edition. For more information on the SignServer Debian package signer, see Debian Dpkg-sig Signer.

Refreshed UI

SignServer Community now features a Keyfactor branded user interface and its color scheme distinguishes it from SignServer Enterprise Edition.

Bouncy Castle Upgraded to 1.72

This SignServer Community release upgrades Bouncy Castle to version 1.72.

Downloads and Resources

SignServer Community releases follow the release schedule for the Enterprise Edition, including all major and feature releases.

There are several options available for downloading the latest SignServer Community:

  • SignServer Community is available for download from GitHub.

  • SignServer Community Container is available for download from Docker Hub.

  • SignServer Community is available for download from SourceForge.

For download links, documentation, and contact information, see For upgrade instructions, see Upgrade SignServer.

Want to learn more about our open-source software? Get in touch over at SignServer Discussions on GitHub, a collective space where you can share feedback and contribute ideas to future releases. We would love to hear from you.

Keyfactor Community

In the Keyfactor Community, developers, engineers, and security teams can get hands-on with Keyfactor's open-source PKI and signing software, share ideas with peers, and learn from industry experts. Find out more and sign up for the Keyfactor Community Newsletter at

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