Unreal Engine is constantly updated. The latest version is Unreal Engine 5.02, which includes support for macOS Ventura. With Epic Games having such a dedicated team and loyal community, it's no surprise that there are consistent changes made to the engine. You'll be notified within Epic Games Launcher as soon as there is an update. You can also download multiple versions of the engine to your computer, for situations when you wish to return to a previous version.