Latest version of co.fs2:fs2-core_2.12.0-M4
https://javadoc.io/doc/co.fs2/fs2-core_2.12.0-M4
Current version 0.9.0-M4
https://javadoc.io/doc/co.fs2/fs2-core_2.12.0-M4/0.9.0-M4
package-list path (used for javadoc generation -link option)
https://javadoc.io/doc/co.fs2/fs2-core_2.12.0-M4/0.9.0-M4/package-list