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Multi-window: Steam Overlay Memory Leak#6758

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AprilCatStreams wants to merge 1 commit into
space-wizards:masterfrom
North-Western-Development:steam-overlay
Open

Multi-window: Steam Overlay Memory Leak#6758
AprilCatStreams wants to merge 1 commit into
space-wizards:masterfrom
North-Western-Development:steam-overlay

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@AprilCatStreams

@AprilCatStreams AprilCatStreams commented Jul 8, 2026

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Steam does not behave well when multiple double buffered windows exist from one parent process, this PR fixes the memory leak by disabling double buffering on all secondary windows.

Known Issues:

  • If you shift+tab to open the overlay while having a pop-up focused the overlay will draw to the main window (at the wrong size) but leave the inputs (close interaction, buttons, etc) on the pop-up

@AprilCatStreams AprilCatStreams changed the title Multi-window: Multi-window: Steam Overlay Memory Leak Jul 8, 2026
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