Ensure your NVIDIA or AMD drivers are current to match the patch's lighting fixes.
No. Ubisoft stopped support for Far Cry 4 after Patch 19. However, the community has created (e.g., “Far Cry 4 Fix-It Pack” on Nexus Mods) that address leftover issues like: download far cry 4 patch 19 free upd
Resolved flickering issues on high-end NVIDIA and AMD cards. Ensure your NVIDIA or AMD drivers are current