The string Resident.Evil.2.Update.v20191218.incl.DLC-CODEX describes a from December 18, 2019, that updates the Resident Evil 2 remake, unlocks its DLC, and removes copy protection. While informative from a digital archiving or game preservation standpoint, using it would require owning a legitimate base copy (which this patch was not designed for) and carries legal and security risks.
Fixed various engine-level bugs, including lighting issues and frame rate instabilities reported by the community. Included DLC Content Resident.Evil.2.Update.v20191218.incl.DLC-CODEX...
: All three "what if" scenarios (No Time to Mourn, Runaway, and Forgotten Soldier) plus the unlockable fourth scenario. All Cosmetic & Utility DLC The string Resident
Here is an informative breakdown of what this title means and its context in PC gaming. unlocks its DLC
