All of the new servers in the first list can't be supported, mainly because they have moved from javax packages to jakarta packages. Our code contains hundreds javax imports, being the most important javax.servlet, javax.faces and also javax.el.* classes.
The following sentence on the Jetty website summarizes the situation:
Due to Oracle’s ownership of the "Java" trademark, usage of the javax.* namespace has been restricted and the jakarta.* namespace was adopted by the Eclipse Foundation.
More information can be found on this page: https://www.eclipse.org/lists/jakartaee-platform-dev/msg00029.html
A few of those server have newer versions that use javax classes.
The preliminary list of new application servers is the following:
There doesn't seem to be a newer WebLogic version (14.1.1.0).
For reference, the application servers we tested on for the previous ICEfaces 4.3 P03 release are the following: