- Steam App
- Boss Key (4086590)
- Event type
- patch note
- Published
- 21 June 2026 - 04:36:13 UTC
- Source
- steam_community_announcements
New:Added custom mouse hover tooltip feature.Updates:Optimized data browsing experience.Fixed several known bugs.
Update on June 21, 2026 — Boss Key Steam update #183552
Update on June 21, 2026 for Boss Key, stored and connected by SteamPulse.
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