The PlayStation 4 emulator for Windows and other desktop OS, ShadPS4, has been updated to the version 0.9.0. While the PS4 emulation tool is still not stable, the new update brings a major improvement in terms of game compatibility.https://www.notebookcheck.net/ShadPS4-PS4-emulator-receives-a-major-update.1029471.0.html
According to semver (the semantic versioning standard) this is a minor update. It's defined as major.minor.patch-tag. with tag and patch being optional.