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

Status: Open.

#2757 In KhronosGroup/MoltenVK;

· csfercoci opened on Jun 13, 2026

AMD maxSubgroupSize=64 causes incorrect simdgroup operations on RDNA GPUs

Status: Open.

#2756 In KhronosGroup/MoltenVK;

· csfercoci opened on Jun 13, 2026

WWDC 2026 - any useful updates for MoltenVK?

Status: Open.

#2754 In KhronosGroup/MoltenVK;

· d3-denis-zaporozhets opened on Jun 9, 2026

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

Status: Open.

#2745 In KhronosGroup/MoltenVK;

· yasser159 opened on May 31, 2026

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

Status: Open.

#2744 In KhronosGroup/MoltenVK;

· sto6 opened on May 28, 2026

vkFlushMappedMemoryRanges / vkInvalidateMappedMemoryRanges on disjoint range of the same non-coherent VkDeviceMemory (AMD Polaris, macOS)

Needs Triage

Status: Open.

#2738 In KhronosGroup/MoltenVK;

· staffanu opened on May 11, 2026

1.4.2 Release Plan

Status: Open.

#2728 In KhronosGroup/MoltenVK;

· billhollings opened on May 2, 2026

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

CompletedIssue has been fixed, or enhancement implemented.Issue has been fixed, or enhancement implemented.

Status: Open.

#2727 In KhronosGroup/MoltenVK;

· sto6 opened on May 1, 2026

IPHONEOS_DEPLOYMENT_TARGET

Information

Status: Open.

#2721 In KhronosGroup/MoltenVK;

· timprepscius opened on Apr 22, 2026

Use of DEVICE_LOCAL only memory on Intel iGPUs may not work correctly.

Needs Triage

Status: Open.

#2720 In KhronosGroup/MoltenVK;

· RogueLogix opened on Apr 21, 2026

Storage image writes incorrectly apply sRGB conversion

Status: Open.

#2713 In KhronosGroup/MoltenVK;

· francoiscoulombe opened on Apr 13, 2026

Apple MSL compiler bug can break shared-memory barrier correctness for MoltenVK compute workloads; possible temporary mitigation

Status: Open.

#2711 In KhronosGroup/MoltenVK;

· sharhar opened on Apr 9, 2026