News about Alkacon and OpenCms

OpenCms 22 moves to Jakarta EE (Tomcat 10, Jetty 12) and introduces the Deduplicating Media Storage Engine (DMSE), which eliminates duplicate media and can offload binaries to S3, shrinking the database by 40–80%. It also generates llms.txt files for AI agents and improves the page and content editors.

Alkacon OCEE 22 is the current OCEE release for OpenCms 22. This version fixes a number of issues that have been detected in Alkacon OCEE 21.

The Java ecosystem has completed its move to Jakarta EE, and OpenCms is moving with it: OpenCms 22 will run on Tomcat 11, with a legacy variant for existing installations.

A security update is available for OpenCms: a recently identified issue has been resolved in version 21, with a patch provided for versions 11–20 to ensure continued system security.

OpenCms 21 adds AI/LLM-based translation directly to the XML content editor and includes translation workflows for OpenAI and DeepL APIs. It also improves the upload dialog by allowing properties to be edited for multiple files at once. ...

Alkacon OCEE 21 is the current OCEE release for OpenCms 21. This version fixes a number of issues that have been detected in Alkacon OCEE 20.

Design page layouts with Mercury’s flexible modular grid after building the website structure in the Sitemap Editor.

A Mercury theme allows you to customize layout and content elements to fit the exact needs of your project. With Vite powering the development workflow, theme creation becomes fast and efficient.

With the integration of Vite, frontend development with the Mercury Template becomes significantly faster. Changes are immediately visible in the browser, without reloads or rebuilds.

Running OpenCms with the Mercury Template locally is simple. With Docker, your development setup is ready in minutes.