[opencms-dev] OpenCms 22 available

[Alex Kandzior]

Dear OpenCms Users,

OpenCms 22 is now available for download!

OpenCms 22 moves to Jakarta EE and supports modern servlet containers such as Tomcat 10 and Jetty 12. It introduces the optional Deduplicating Media Storage Engine (DMSE), which eliminates duplicate media content at the storage level and can move binaries out of the database to S3-compatible object storage. In typical installations, this shrinks the database by around 40%; with binaries on S3, the reduction is 80% or more. For content managers, OpenCms 22 shows the validity period of time-controlled elements directly in the page editor and uses real placeholder texts in the content editor. This version also generates an llms.txt file for AI crawlers and agents, adds partial-word search in galleries, and improves the selection of global and local categories.

OpenCms 22 is available in two variants built from the same code base: 

- a Jakarta variant for Tomcat 10
- and a legacy Java EE 8 variant for existing Tomcat 9 installations. 

Custom modules that reference servlet APIs directly usually need only an import change from javax.servlet to jakarta.servlet when they move to the Jakarta variant. 
OpenCms 23, planned for April 2027, will be Jakarta-only.

We have also updated the OpenCms Docker image, the OpenCms documentation, the Mercury Template documentation, and the OpenCms demo site for this release.

Full release notes and download option here:
https://www.opencms.org/en/article/OpenCms-22

Description of the new features in the Mercury template:
https://mercury-template.opencms.org/en/news/version/22

The updated Docker image for this release is available at:
https://registry.hub.docker.com/r/alkacon/opencms-docker

Kind regards,
Alex.

-------------------
Alexander Kandzior

Alkacon Software - The OpenCms Experts                                                    
http://www.alkacon.com - http://www.opencms.org                                                          


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