The Markdown renderer now uses Google EscapeVelocity instead of Apache Velocity for templating. The templating engines are almost compatible, with the exception of escapes in string literals: if in your template you had a string literal with a character escape, you would need to expand it.
Of special note:
Release Notes for 0.6.0
"almost", indeed. :/
This reflows and shuffles most of the documentation.
fixes #1203