Fh5-update-from-v1.656.386.0-to-v1.663.817.0-fi... |work| Online

The version number 1.656.386.0 appears to be an older build (from around late 2023/early 2024), while 1.663.817.0 would represent a significantly newer build (likely from mid-to-late 2024 or even 2025). If you are seeing this update prompt, it may be from a repack, a custom launcher, or a specific console debugging channel. For official updates, version numbers typically progress through known series like 1.578.xxx , 1.594.xxx , 1.607.xxx , 1.613.xxx , etc.