[spondyl]

Yeah, it sounds pretty identical to a caching issue that happened to Steam way back on Christmas Day of 2015: https://store.steampowered.com/oldnews/19852

[lathiat]

Yep, plenty of these that have come up over time. Can't think of the names of them at this point but I am sure I recall at least 5+ incidents of exactly this caused by incorrect caching.