v1.6.0-alpha.7

A new alpha release of the 1.6.0 branch

• This version bumps the version of the embedded Asciidoctor to 1.5.7.1
• The version of Asciidoctor-Diagram in the distribution was bumped to 1.5.9
• The version of JRuby was bumped to 9.2.0.0
• This version requires at least Java 8!

Improvements/Fixes

• (RuntimeError) can't modify frozen NilClass on getParent() (#593 @jmini)
• Move "org.asciidoctor.ast" package to "asciidoctorj-api" project (#590, #606 @jmini)
• AttributesBuilder: showTitle(boolean) method (#616 @jmini)
• Inconsistency with numeric keys in attributes map (#604 @jmini)
• Add plugin mechanism for Loggers and log to java.util.logging (#657)
• Fix start script for OpenJDK 10

Release Meta

Released on: 2018-06-21
Released by: @robertpanzer

Thanks to all contributors, in particular @jmini !