Patch - v2.1.0.3 — Catto Boi Collection Steam update #3145600

Catto 1 Restored legacy D3D swap chain effect (this prevents Windows 11 from causing issues with the game due to its "optimisations", and may also fix...

Steam App
Catto Boi Collection (3955550)
Event type
patch note
Published
18 August 2026 - 00:50:47 UTC
Source
steam_community_announcements
Catto 1 Restored legacy D3D swap chain effect (this prevents Windows 11 from causing issues with the game due to its "optimisations", and may also fix timing issues.) General bugfixes. Catto 2 Restored legacy D3D swap chain effect (this prevents Windows 11 from causing issues with the game due to its "optimisations", and may also fix timing issues.) Catto 3 Restored legacy D3D swap chain effect (this prevents Windows 11 from causing issues with the game due to its "optimisations", and may also fix timing issues.) Disabled F12 overlay (again). Catto 4 Restored legacy D3D swap chain effect (this prevents Windows 11 from causing issues with the game due to its "optimisations", and may also fix timing issues.) Disabled F12 overlay (again). General bugfixes. Catto 5 Fixed crash at the first Part 2 ACT 5 room when attempting to access the pause menu. Fixed a timing issue with a Very Cool windo...

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