bugs.openjdk.org/browse/JDK-8... will reduce the size of the Javadoc bundled fonts starting from Java 28. However, avoiding inclusion by default was rejected: bugs.openjdk.org/browse/JDK-8...
So now I'm adding this configuration to all my Java projects. For the Arconia Framework, that meant going from 200MB to 8MB total release size (many artifacts). Considering the new publishing limits set by Sonatype, that makes a huge difference! Also, no wonder the disk storage costs are so high!