docx4j 11.1.8 - for use with Java 11 or later - is now available in Maven Central.
11.1.8 is a JPMS modularised release, so the jars contain module-info.class entries.
11.1.8 is compiled with Java 14, targeting Java 11. If you are not using Java 11 or later, you should stick with docx4j 8.x.
Compared to 11.1.7, this release contains just a single enhancement/fix: in OpenDoPE image injection, the content control tag now supports a width=n|auto ...