The Expert documentation contains unresolved docbook tags <kw>...</kw> in many places.

The new "calendars" rule attribute isn't mentioned. There's no indication that "duration" is now deprecated (as written in

Nothing is said about "Live queries". And the javadoc for openLiveQuery describes neither its function, nor parameters or return type.

Javadoc's main page (the top-level index.html) compes up with

Drools 5.0.0 Javadocs