This update likely addresses these "death-knell" bugs, ensuring the knight (and the game) can continue to exist on modern hardware.
If you're looking for a way to frame this update as a story for a blog, video, or just for your own curiosity, here is a compelling angle: xanadu-next-gog-update-2-2-0-5
With Falcom recently teasing for 2025/2026, there is a renewed interest in the series' roots. For a game that is essentially a spin-off of a 1985 title, keeping the PC version playable via updates like 2.2.0.5 is the only way for fans to bridge the gap between the old-school dungeon crawling of Harlech Island and the modern ARPG style of the upcoming sequels. or just for your own curiosity