The update file (typically weighing between 1.8 GB and 3.2 GB depending on source) patches the base game from earlier builds (like v1.0 or v20190220) to the Dec 18 iteration. Here is the detailed changelog:
The Resident Evil 2 update v20191218 (Update 5) removes Denuvo DRM, enhances stability, and adds a new collectible letter in Kendo's Gun Shop that unlocks a Resident Evil 3 resident evil 2 update v20191218 incl dlccodex exclusive
Given that the official game frequently goes on sale for $10 on Steam, why would a user seek out this specific dated build? The update file (typically weighing between 1