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Release 1.22.7

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Changelog

# Cemu detailed changelog for 1.22.7
# Patreon release date: 2021-02-23
# Public release date:  2021-03-02

general: The default vsync frequency (emulated refresh rate) is now 59.94 to match the actual console
         Graphic packs can still set it to a flat 60

general: Fixed various small memory leaks

Vulkan: Revised internal swapchain management and fixed some synchronization bugs in the process
        Double-buffered vsync should no longer cause graphical artifacts

Vulkan: Added a new experimental vsync mode
        If enabled, Cemu will match the vblank event timing of the emulated display to the physical monitor on which Cemu is displayed
        This reduces latency and avoids tearing by piggybacking on the emulated game's vsync implementation
     
        For *perfect* results, the vsync rate in Cemu should be equal or slightly higher than the monitor refresh rate
        As an example: When playing BotW on a 60 Hz monitor you want to set FPS++ to either 60 FPS or the next higher option. This is assuming stable 60 FPS can be maintained.
        Alternatively, any integer ratio (1:2, 1:3, 1:4...) should give good results as well. E.g. 30 FPS on 60 Hz, 36/72 FPS on 144 Hz

        Even for non-integer ratios (30 FPS on 144 Hz) this mode of vsync should perform at least as well as the Vulkan-native double buffered vsync mode
        
        While this is only available for Vulkan right now, we plan on adding this to OpenGL in the near future

Vulkan: Cemu's internal shaders no longer show up in the overlay statistic ('Compiled x shaders'). Unlike game shaders they do not get cached and also do not cause any stutter

H264/DXVA2: Fixed incorrect handling of mismatching frame pitch
            This should fix broken video playback in Mario Party 10 and Pikmin 3 on some GPUs

GX2: Fetch shaders with a size of zero won't cause a crash anymore (regression introduced with 1.22.6)
     Resolves Minecraft crashing on launch

Note:
(#xx) refers to resolved bug tracker issues. See http://bugs.cemu.info/projects/cemu/

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