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DEFCON patch notes & updates · GameChilly

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DEFCON patch notes & updates

Official patches, updates and announcements from the developer.

Last updated Sep 29, 2026

All4
Patch notes1
Patches3
News & events0

Sep 29
Major updateSep 29
20th Anniversary Edition
In celebration of 20 years of DEFCON
Sep 18
PatchSep 181.70.3
Bug Fixes The renderer fallback now also covers the window being recreated, such as a resolution or renderer change, rather than only Defcon starting up. HDR for Metal (MacOS) and Vulkan (Windows, Linux) no longer creates corrupted and garbled screenshots.
Sep 11
PatchSep 111.70.2
1.70.2 Bug Fixes Fixed a crash on startup, and when pressing Apply in the Mods window, caused by mods whose gameoptions.txt leaves a blank line where a text settings default value belongs. Fixed a crash on startup for anyone with extracted main.
Aug 24
PatchAug 24
New graphics engines (DirectX, Metal and Vulkan) and sound subsystem (FAudio), hundreds of performance enhancements and bug fixes.

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