Release v2026.1

• General
  • spirv-tools: Fix infinite recursion in SmallVector::operator== on MSVC (#6470)
  • Add support for SPV_NV_push_constant_bank (#6507)
  • Enable UseMultiToolTask for msbuild performance (#6472)
  • Fix asan error in stack usage (#6434)
  • Fix crash in array length validation (#6500)
  • Fix infinite loop in logical pointer validation (#6450)
  • Implement SPV_EXT_descriptor_heap (#6503)
• Optimizer
  • Adding constant folding for NMin, NMax and NClamp (#6433)
  • Also remap DebugScope instructions (#6501)
  • Change ValueNumber to use spivOpcodeIsCommutativeBinaryOperator (#6431)
  • Extending factoring folding rules to support subtraction (#6432)
  • Extending negation folding rules (#6444)
  • Folding Rules For Common Comparisons (#6437)
  • Folding rules for negation and cancellation (#6452)
  • Harden CFGCleanupPass against ID overflow (#6439)
  • Harden CombineAccessChainsPass against ID overflow (#6440)
  • Harden CopyPropagateArraysPass against ID overflow (#6441)
  • Remove lingering debug-scopes. (#6416)
  • add adce test for debug declare (#6462)
  • fix adce when ns debug info present (#6217) (#6420)
• Validator
  • Handle OpTypeVectorIdEXT in validate_interfaces.cpp (#6492)
  • Validate SPV_EXT_long_vector (#6471)
  • Validate floats/int Image Operands are 32-bit (#6477)
  • Add Mesh Shading Read Output check (#6426)
  • Add Mesh/Task to check for LocalSize (#6459)
  • Add missing LOD non-zero MS (#6496)
  • Add width to IsFloatScalarType (#6489)
  • Better atomic storage class message (#6425)
  • Better error message when types are the same (#6427)
  • Check Mesh Topology builtin by entry point (#6457)
  • Check for CoopMat scope (#6442)
  • Combine Image Coordinate checks (#6494)
  • Fix crash with bad OpUntypedArrayLengthKHR (#6493)
  • Label VUID 10823 (#6488)
  • Provide RuntimeDescriptorArray hint in message (#6448)
  • Use new StorageClassToString util (#6460)
  • Use validation_state.cpp helpers (#6478)
  • Validate ImageQuerySizeLod is 32-bit (#6479)
  • Validate Mesh Shader output are an array (#6449)
  • add missing relational ops to InvalidTypePass (#6495)
• Diff
  • diff: Match OpExtInst in debug and types/values sections (#6430)