Issues

• [Bug][Relax][ONNX] Constant rejects standard value_float/value_int attributes

  apache/tvm#20507 · Filter by author Yuhx141 opened on Sep 30, 2026

• [Bug][Relax][ONNX] NonMaxSuppression uses 0.5 instead of the ONNX default IoU threshold

  apache/tvm#20506 · Filter by author Yuhx141 opened on Sep 30, 2026

• [Bug][Relax][ONNX] ConvTranspose ignores output_shape

  apache/tvm#20505 · Filter by author Yuhx141 opened on Sep 30, 2026

• [Bug][Relax][ONNX] LayerNormalization replaces optional Mean and InvStdDev outputs with scalar zeros

  apache/tvm#20504 · Filter by author Yuhx141 opened on Sep 30, 2026

• [Bug][Relax][ONNX] Training BatchNormalization uses the opposite momentum convention

  apache/tvm#20503 · Filter by author Yuhx141 opened on Sep 30, 2026

• [Bug] MergeCompositeFunctions fails on a well-formed module when main is not the only Relax function

  needs-triagetype: bug
  apache/tvm#20499 · Filter by author yunligou711-commits opened on Sep 30, 2026

• [Bug] Gradient rejects a function that returns a tuple bound to a Var, regardless of target_index

  needs-triagetype: bug
  apache/tvm#20498 · Filter by author yunligou711-commits opened on Sep 30, 2026

• [Bug][Relax] LambdaLift crashes when a captured local function is called through an alias

  apache/tvm#20497 · Filter by author Yuhx141 opened on Sep 30, 2026

• [Bug][Relax] DecomposeOpsForTraining rejects BatchNorm with a valid negative axis

  apache/tvm#20496 · Filter by author Yuhx141 opened on Sep 30, 2026

• [Bug][Relax] FoldConstant reads an int32 tensor_to_shape constant as int64

  apache/tvm#20495 · Filter by author Yuhx141 opened on Sep 30, 2026

• [Bug][Relax] RemoveUnusedOutputs changes a closure callee to return an empty tuple

  apache/tvm#20493 · Filter by author Yuhx141 opened on Sep 30, 2026

• [Bug][Relax] AdjustMatmulOrder changes results for a rank-one middle operand

  apache/tvm#20492 · Filter by author Yuhx141 opened on Sep 30, 2026

• [Bug] AllocateWorkspace returns an ill-formed module with a dangling GlobalVar

  needs-triagetype: bug
  apache/tvm#20479 · Filter by author yunligou711-commits opened on Sep 28, 2026
  1

• [Bug] [TVM] Executable.jit() with an unresolved extern symbol: SIGSEGV instead of an error

  needs-triagetype: bug
  apache/tvm#20467 · Filter by author YuanchengJiang opened on Sep 26, 2026

• [Bug] [TVM][Vulkan] Generated SPIR-V is rejected by TVM's own validator: Invalid SPIR-V header

  needs-triagetype: bug
  apache/tvm#20466 · Filter by author YuanchengJiang opened on Sep 26, 2026
  1

• [RESULT][VOTE] Release Apache TVM v0.27.0

  apache/tvm#20457 · Filter by author MasterJH5574 opened on Sep 25, 2026

• [Bug] Onnx frontend can import invalid squeeze axis

  needs-triagetype: bug
  apache/tvm#20422 · Filter by author debugger-zhang opened on Sep 24, 2026
  2

• [Bug][Relax][CUDA] Default scheduling drops Take indices after fusion and produces incorrect output

  needs-triagetype: bug
  apache/tvm#20421 · Filter by author pinpinpoo opened on Sep 23, 2026

• [Bug] relax.transform.SpecializePrimFuncBasedOnCallSite crashes when a call_tir argument is an R.Prim scalar

  needs-triagetype: bug
  apache/tvm#20420 · Filter by author YuanchengJiang opened on Sep 23, 2026

• [Bug] CompactBufferAllocation leaves double_buffer_scope pointing at an unallocated buffer → InjectDoubleBuffer ICHECK stride.defined()

  needs-triagetype: bug
  apache/tvm#20418 · Filter by author YuanchengJiang opened on Sep 23, 2026
  1

• [Bug] [Performance Regression][Relax][CUDA] Fusing MaxPool with Add increases latency by 5.53x

  needs-triagetype: bug
  apache/tvm#20401 · Filter by author pinpinpoo opened on Sep 21, 2026

• [Bug] relax.floor_divide on int64 lowers to a trapping sdiv, so a zero divisor raises SIGFPE instead of a defined result

  needs-triagetype: bug
  apache/tvm#20400 · Filter by author yunligou711-commits opened on Sep 21, 2026

• [Bug] CodeGenLLVM hits an ICHECK instead of reporting an error when dividing boolean values

  needs-triagetype: bug
  apache/tvm#20399 · Filter by author yunligou711-commits opened on Sep 21, 2026
  1

• [Bug][Relax][ONNX] Dynamic MaxPool SAME_UPPER attempts int(SizeVar)

  apache/tvm#20398 · Filter by author Nanmur opened on Sep 21, 2026

• [Bug] [Vulkan] Windows process crashes during device API shutdown

  needs-triagetype: bug
  apache/tvm#20396 · Filter by author sepcnt opened on Sep 21, 2026