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Release v2026.4

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@github-actions github-actions released this 06 Oct 15:28
· 90 commits to main since this release
v2026.4
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  • Optimizer
    • Add pass to convert typed pointers to untyped pointers (--convert-to-untyped) (#6714)
    • Support optimizing shaders using SPV_KHR_opacity_micromap across dead-code elimination and local passes (#6833)
    • Add folding rule to dissolve OpCopyLogical of OpCompositeConstruct in simplification pass (#6746)
    • Harden optimizer passes against ID overflow (#6851, #6852, #6857, #6858, #6863)
    • Filter duplicate decorations during module serialization to binary (#6828)
    • Correctness fixes for vector constant folding size and OpSelect folding pre-SPIR-V 1.4 (#6798, #6827)
    • Stability fixes for IRContext analysis handling, debug info stripping, and eliminate dead functions (#6765, #6797, #6799)
  • Validator
    • Support and validate SPV_EXT_cooperative_matrix_maintenance1 (#6825)
    • Support and validate SPV_QCOM_image_processing3 and OpImageGatherQCOM (#6672)
    • Add validation for NonSemantic.DebugPrintf extended instruction set (#6861)
    • Validate OpAbortKHR explicit layout message type and require scalar packing (#6854, #6859)
    • Tighten relaxed block layout alignments and add explicit alignment VUIDs (#6819, #6853)
    • Validate Offset decoration on Input/Output storage classes and add VUID 12509 (#6835, #6855)
    • Allow OpExtInstWithForwardRefsKHR in generic non-semantic instruction sets (#6847)
    • Restrict Workgroup execution scope to OpGroupNonUniformRotateKHR for non-uniform group operations (#6811)
    • Validate OpControlBarrierArriveEXT execution and memory scopes (#6782)
    • Allow Generic pointer casts to and from CodeSectionINTEL storage class (#6787)
    • Allow BFloat16 and FP8 result types in OpExtInst (#6734)
    • Validate OpSourceContinued order following OpSource (#6840)
    • Correctness fixes for >64-bit integer constant evaluation and AliasScopeINTELMask/NoAliasINTELMask operand counting (#6816, #6791, #6865)
    • Validate ArrayStride on OpConstantDataKHR result types (#6870)
    • Add validation for UTFEncodedKHR decoration on array types (#6872)
    • Validate that OpAbortKHR Message Type is a concrete type (#6873)
  • Linker
    • Detect duplicate exported definitions without imports to prevent ODR violations (#6750)
  • Assembler/Disassembler
    • Initialize parsed operand floating-point encoding to ensure deterministic disassembly of literal floats (#6834)
Assets 2
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