Grim & Perilous Fans!
For those who previously purchased a print-on-demand version of ZWEIHÄNDER Grim & Perilous RPG here on DriveThruRPG or bought the first edition print copy from the 2016 Kickstarter/CrowdOx, there is a printer-friendly errata document. This document covers every major change between the 2016 first edition print and the Revised Core Rulebook.
Simply print it out, and stuff it into the back of your first edition book.