As we mentioned in the big announcement, the Book of the River Nations is getting the character options Hero Labbed. Well we are pleased to announce that everyone that received the PDF copy of the Compendium is getting FREE access to the Hero Lab file, whether you purchased the PDF or if you received it as part of our PDF Guarantee when purchasing the print book.
Jon Brazer Enterprises is committed to bring you the highest quality role playing books. We enhance your world and your game.
Jon Brazer Enterprises 
So when will this take place?
It already has. If you goto either DriveThruRPG or Paizo.com, whereever you normally download the PDF from, and redownload the PDF, you get the .hl file.