You're looking for information about the Resident Evil 2 Remake update from December 18, 2019, specifically for the CODEX and FitGirl versions. Here's what I could gather:
: Download starts from approximately 13.5 GB , significantly smaller than the full installation size of ~27 GB. RESIDENT EVIL 2 Remake Update 20191218 CODEX- FitGirl
Includes the free DLC mode featuring three "what if" scenarios for characters who didn't survive the main story (Robert Kendo, Katherine Warren, and Ghost). You're looking for information about the Resident Evil
"We have included the updated crack only. You require the following releases: RESIDENT.EVIL.2-CODEX + Update v20191218 (this file). Use our .exe to unlock DX12 features." RESIDENT EVIL 2 Remake Update 20191218 CODEX- FitGirl
Released around , this specific version is highly regarded because it is the build where Denuvo Anti-Tamper DRM was officially removed from the Steam version.