Repository Issue Activity (beta)

#2764 Linear unbounded host-RSS growth on AMD (Bronze) Macs — driver release-record array grows per render-pass/encoder end

#2766 All MTLCommandBuffers fail with kIOGPUCommandBufferCallbackErrorOutOfMemory for 32-bit Vulkan game under Wine on Apple M5 / macOS 26.4

#2765 gl_FragCoord.z is not evaluated per-sample under sample-rate shading on Apple GPUs (correct on AMD via identical MSL)

#2054 Detroit: Become Human crashes under Wine

#427 Raytracing support

#825 Performance vs raw Metal

#2679 Regression: Vulkan application crashes immediately on launch on Intel iMac14,4 (macOS Sequoia 15.5)

#2668 Placement check incorrect in `MVKImagePlane::getMTLTexture()`

#2727 immediate crashes: vkQuake 1.34.1, MoltenVK version 1.4.1; macos 12.7.6 Monterey; MacBookPro12,1 Intel i5; Intel(R) Iris(TM) Graphics 6100

#2759 MVK does not set wantsExtendedDynamicRangeContent on iOS for HDR swapchain. It does on macOS

#1553 gl_SubgroupInvocationID ranges from 0 to 31 for gl_SubgroupSize 64.

#1909 DOOM (2016) fails to open

#2754 WWDC 2026 - any useful updates for MoltenVK?

#2621 vkQuake broken with MoltenVK v1.4 release

#2757 Intel UHD 630 (Gen9) produces incorrect results with simd_reduction operations

#2756 AMD maxSubgroupSize=64 causes incorrect simdgroup operations on RDNA GPUs

#2750 `subgroupShuffleXor` with mask >= 32 produces incorrect results when reported subgroupSize is 64 on macOS AMD GPUs

#2433 Getting subtly incorrect results with output to unorm color targets

#2745 Null active subpass crash in secondary command buffers under VK_KHR_dynamic_rendering (beginSecondaryEncoding doesn't set render context)

#2464 depthBounds and shaderCullDistance

#2744 minor doc inconsistency, building via xcode 14 vs 15: MoltenVK/Docs /MoltenVK_Runtime_UserGuide.md

#2122 Features unsupported by hardware is marked as supported

#1743 Add support for DrawIndex shader builtin

#2743 Finally reaching a point of near extreme frustration with "ruby"

#2682 Occlusion queries: wrap detection uses stale baseline, crashes when visibility buffer starts near end of pass