

Valve itself doesn’t, but game devs on Steam regularly revoke keys:
2019 article: SteamWatch - The Steam Key Revoking System is a Problem | TechRaptor
2025 update from the same author: SteamWatch - The Steam Key Revoking System is a Problem (V.2)
another report from 2024: Steam Publisher Revokes Game Access, Leaves Customers Empty-Handed





I inadvertently do this sometimes when opening new Github issues 😆 By the time I thoroughly explain the situation, I realise my mistake or the way I could solve/circumvent the problem on my end, so I just don’t submit the ticket.