The most popular modding tool for RE Engine games, REFramework, has a "target version" compatibility mode. The Dec 18 2019 build is the build (only behind the original launch build). Many classic mods—like the "Fourth Survivor Randomizer" and "Ultimate Trainer"—were coded against this specific executable.
: This update includes the "Ghost Survivors" DLC, a series of "what-if" scenarios featuring characters who didn't survive the Raccoon City incident, such as the Gunshop Owner and the Mayor's daughter. Included DLC Content residentevil2updatev20191218incldlccodex
The "[CODEX]" tag in the filename is perhaps the most historically significant part of the name. was a notorious and legendary warez group known for cracking the strongest DRM protections in the industry. They were formed in late February 2014 and quickly rose to infamy for breaking Ubisoft’s Uplay protection and circumventing Steam’s licensing systems. The most popular modding tool for RE Engine