The new Release of our ANSI C based OPC UA Client Server SDK including released PubSub-AddOn is available now. This release comes with major features and improvements, including Role-based Security, new NS0 version 1.05.03 type system, support for OpenSSL v3.0. The C-Stack was updated to 1.5.5, and several bugfixes are included in this release. Note: new delivery structure! Check the changelog file for all details.