A new technique to chain Sitemap master configurations. With chaining, one can combine, reduce, extend, or vary formatter and function definitions in sitemap master configurations.
A new technique to add individual CSS resources and JavaScript resources to sites built upon the same template. Site plugins are a more flexible replacement for the "headincludes" feature.
The OpenCms workplace has been improved in order to allow content edition and image upload on touch devices.
Configuration Changes in OpenCms 13
OpenCms 13 ships with an updated Solr Schema. If you manage your own Solr Schema for your OpenCms installation, make sure to add the date_range field type and the two dynamic fields *_dr and *_drs.