Some developers create empty repositories named "PCSX4" just to reserve the name. These usually contain a single line: "Coming soon..." and have had no commits for 5+ years. These are dead projects.
These interactions highlight a fundamental misunderstanding of emulation development. Emulators are not built by opening an issue ticket; they are built by thousands of hours of reverse engineering, kernel debugging, and GPU profiling. The presence of a GitHub repository does not bestow magical coding abilities upon its owner. pcsx4 github