Please update to Java version 22.

[dreirund]

Java version 22 is out.

It seems to work fine with it, but I have to set FREEPLANE_USE_UNSUPPORTED_JAVA_VERSION=1, otherwise freeplane would not run with

ERROR:   It has version 22
ERROR:   Currently, freeplane requires java version 8 or from 11 to 21
ERROR:   
ERROR:   Select a supported java version
ERROR:   by setting FREEPLANE_JAVA_HOME to a valid java location
ERROR:   OR use an unsupported java version
ERROR:   by setting FREEPLANE_USE_UNSUPPORTED_JAVA_VERSION to 1

java --version:

openjdk 22 2024-03-19
OpenJDK Runtime Environment (build 22+36)
OpenJDK 64-Bit Server VM (build 22+36, mixed mode, sharing)

on Artix GNU/Linux (Rolling Release).

Regards!