I released mapjfx version 1.19.0 it can be found at maven central, the artifact coordinates are:
<dependency> <groupId>com.sothawo</groupId> <artifactId>mapjfx</artifactId> <version>1.19.0</version> </dependency>
The source is available at GitHub.
This version adds support for XYZ map sources. The code was contributed by Erik Jaehne, thanks a lot for that.