Update 3 was primarily focused on technical stabilization and compatibility for the PC version:
The "2 DLCs" included in this build provide cosmetic items and gameplay shortcuts that were originally released as separate purchases on the Steam Store . Resident Evil 3 update for 1 October 2020 - SteamDB Resident Evil 3 -Build 5269288 Update 3 2 DLC...
(Update 3) iteration, represents a refined state of Jill Valentine’s desperate escape from Raccoon City. While the remake faced criticism for its shorter length compared to the 1999 original, this specific build combines the core survival-horror experience with key performance stability and all essential post-launch content. Build Overview and Core Changes Build 5269288 Update 3 was primarily focused on technical stabilization
Updates and DLCs are crucial for enhancing and expanding the gameplay experience. They can range from bug fixes and performance improvements to entirely new storylines, characters, and game modes. Build Overview and Core Changes Build 5269288 Updates
Addressed various crashing issues and improved general stability. DirectX 12 Optimization:
If you want this build legally, the only method is to purchase a physical DVD copy from 2020 (pre-update) and never install patches. However, those are rare.