One of the most requested features is here: the ability to create custom PDF stamps with dynamic metadata (date/time, filename, etc). Customizable stamps allow you to control the look, feel, and content of your stamps to deliver consistent and concise information with just a few clicks.
Find measurement information for current and total columns in the Properties panel. This improvement makes important information visible without having to look at the Markups List.
Custom Print Scaling & Print Selection
Set custom print options such a scale, rotation and positioning. Select a specific document area for printing.
Adjust title, color and font weight for document bookmarks.
The full release notes for Revu Mac 1.0 to 1.9 are available on Bluebeam's website here.