Talented developer @AlexAltea has added a few updates to the PS4 Emulator that he released a few months ago, this will not let you play your PS4 games on your PC just yet, but it still is a remarkable achievement, here is a quote from the source:
Virtualization-based PlayStation 4 emulator.
The current state of Orbital at booting decrypted kernels can be followed in the issue tracker: both PS4 4.55 and PS4 5.00 have been tested. You can also get ocasional updates and news via Twitter. Support this project at Patreon.
Future plans for the emulator can be found at the Roadmap page.