Latest version of org.json4s:json4s-ext_2.12.0-M3
https://javadoc.io/doc/org.json4s/json4s-ext_2.12.0-M3
Current version 3.3.0
https://javadoc.io/doc/org.json4s/json4s-ext_2.12.0-M3/3.3.0
package-list path (used for javadoc generation -link option)
https://javadoc.io/doc/org.json4s/json4s-ext_2.12.0-M3/3.3.0/package-list