The update v20191218 brings several improvements and additions to the game, including:

'98 Low-Poly Leon & Claire, Arklay Sheriff, Noir (with B&W filter), Military, and Elza Walker.

Resident Evil 2 v20191218 Update (often associated with the CODEX release) serves as a comprehensive bundle of the 2019 remake, incorporating all released patches and downloadable content (DLC) up to that date. Update Overview (v20191218 / Update 5)