For users looking for more substantial technical improvements, these were largely introduced in previous patches (v1.2 and v1.3):
The is a minor maintenance update released for the PC version (specifically for what is now known as the "Legacy" version). According to official developer notes from SEGA and community logs, this specific update focused on background optimizations without introducing new gameplay content. Update v1.4 Feature Summary Yakuza.Kiwami.2.Update.v1.4-CODEX.rar
: Support for NVIDIA DLSS, AMD FSR 1/2/3, and Intel XeSS. AMD FSR 1/2/3