Apache Wicket 9.0.0-M5 released. Wicket is a Java language Web development framework with Struts, WebWork, Tapestry is similar, which is characterized by a code of Html and effective separation (in favor of cooperation of programmers and artists), rule-based configuration (reduced XML using the configuration file, etc.), the learning curve is low (development mode and C / S similar), easier to debug (error type is relatively small, easy positioning).
This version introduces support for Wicket Content Security Policy (CSP), which function is enabled by default, and prevent the execution of inline JavaScript and CSS code.
Specific details of the updated view the release notes: http://wicket.apache.org/news/2020/04/06/wicket-9.0.0-M5-released.html