Contrary to the claims of the PCSX4 scam, the PS4 emulation scene is still in its early stages. After more than a decade of work, even the excellent PS3 emulator RPCS3 can't run all PS3 games perfectly. PS4 emulation is an even more challenging technical problem. However, there is genuine progress being made, primarily by the project.
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The emulator crashes instantly upon loading the game executable. Highly complex or unmapped engine files. Why Is PS4 Emulation Taking So Long? Contrary to the claims of the PCSX4 scam,
Runs well with high resolution scaling on capable hardware. Games with Enhanced Support there is genuine progress being made