Minor bug fix - Involuntary movement bug finally fixed — Heartworm Steam update #1242905

- Fixed a rare but very annoying and game breaking issue that only affected some users, where the character would move in circles/on their own. This bug...

Steam App
Heartworm (1257030)
Event type
patch note
Published
22 July 2026 - 12:34:09 UTC
Source
steam_community_announcements
- Fixed a rare but very annoying and game breaking issue that only affected some users, where the character would move in circles/on their own. This bug was extremely difficult to catch because I was never able to reproduce it on my own. When a player commented about it recently, I decided to take another look since it had been a while. Heartworm uses Unity's new Input System, and I saw that we had set as composite bindings in the Move and Turn actions. After looking into it, I found that it's unlikely was actually ever used for any real input, and more than likely was picking up any HID device or driver - including virtual devices registered via driver software (audio, rgb, macros, etc.). Unity was likely guessing an axis center for these devices, normalizing it, and the result was the character moving seemingly on its own. Again, due to the nature of this bug and my inability to reprod...

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