Issues

• Profile.detect_cupti() infers as Union{Nothing, Bool}, so CUDA.@profile puts a possibly-Nothing value in a boolean context

  JuliaGPU/CUDA.jl#3436 · Filter by author AzamatB opened on Oct 20, 2026

• cuDNN: packed (ragged) variable-length attention

  JuliaGPU/CUDA.jl#3435 · Filter by author CarloLucibello opened on Oct 20, 2026

• cuDNN: bottom-right causal alignment for attention

  JuliaGPU/CUDA.jl#3434 · Filter by author CarloLucibello opened on Oct 20, 2026

• Enzyme: sum(f, x) and other reductions on CuArray fail or never finish (no rule for the KernelCall launch path)

  extensions
  Bug

  JuliaGPU/CUDA.jl#3407 · Filter by author CarloLucibello opened on Oct 17, 2026

• NVPTX selects atom.local for atomics on local memory, which ptxas rejects

  kernelsupstream
  Task

  JuliaGPU/CUDA.jl#3402 · Filter by author maleadt opened on Oct 16, 2026

• Enzyme rule for CuArray(undef, ...) fails for non-numeric isbits eltypes

  extensions
  Bug

  JuliaGPU/CUDA.jl#3390 · Filter by author allexandre97 opened on Oct 13, 2026
  1

• compute-sanitizer: false 'access before allocation' in graphs built with several cuStreamBeginCaptureToGraph calls

  ciruntimeupstream
  Bug

  JuliaGPU/CUDA.jl#3347 · Filter by author maleadt opened on Oct 6, 2026
  1

• compute-sanitizer: a successful cuEventQuery isn't treated as synchronization

  ciruntimeupstream
  Bug

  JuliaGPU/CUDA.jl#3346 · Filter by author maleadt opened on Oct 6, 2026
  2

• cuRAND seeding calls cuCtxSynchronize, invalidating stream captures on other threads

  librariesupstream
  Bug

  JuliaGPU/CUDA.jl#3336 · Filter by author maleadt opened on Oct 5, 2026

• 🤖@inbounds on the two accesses around an inlined callback changes the computed result on NVPTX (sm_75)

  kernelsupstream
  Bug

  JuliaGPU/CUDA.jl#3266 · Filter by author termi-official opened on Sep 9, 2026
  3

• JuliaC compatibility

  installationspeculative
  Enhancement

  JuliaGPU/CUDA.jl#3167 · Filter by author JinyanTeng opened on Jun 5, 2026
  1

• cublasXt device-pointer tests intermittently read back all-NaN on multi-GPU CI

  cilibrariesruntime
  Bug

  JuliaGPU/CUDA.jl#3165 · Filter by author JohnCobbler opened on Jun 5, 2026

• Error showing value of type SubArray{Float32, 1, cuSPARSE.CuSparseMatrixCSC{Float32, Int32}, Tuple{Base.Slice{Base.OneTo{Int64}}, Int64}, false}

  arrayslibraries
  Bug

  JuliaGPU/CUDA.jl#3164 · Filter by author Zinoex opened on Jun 4, 2026

• Support LQ matrix decomposition

  libraries
  Enhancement

  JuliaGPU/CUDA.jl#3160 · Filter by author BambOoxX opened on Jun 4, 2026
  2

  

• Naming inconsistencies in generic dense cuSOLVER functions

  good first issuelibraries
  Enhancement

  JuliaGPU/CUDA.jl#3085 · Filter by author matteosecli opened on Apr 9, 2026

• Lock conflicts in synchronization cause massive slowdown with SLURM or thread pinning

  performanceruntime
  Bug

  JuliaGPU/CUDA.jl#3060 · Filter by author efaulhaber opened on Mar 24, 2026
  4

• Sylvester for CUDA arrays

  arrays
  Enhancement

  JuliaGPU/CUDA.jl#3021 · Filter by author kshyatt opened on Jan 22, 2026

• CuFFT Base.:(*) overload types are too generic

  librariesspeculative
  Enhancement

  JuliaGPU/CUDA.jl#3018 · Filter by author abussy opened on Jan 14, 2026
  4

• Improve random numbers functionality and documentation

  arraysdocumentation
  Enhancement

  JuliaGPU/CUDA.jl#2981 · Filter by author navdeeprana opened on Nov 23, 2025
  2

• Can't use rand! or randn! with a collection of elements on a CuArray

  arrays
  Enhancement

  JuliaGPU/CUDA.jl#2936 · Filter by author kshyatt opened on Oct 14, 2025
  2

• Restore cross-device kernel access

  runtimeupstream
  Bug

  JuliaGPU/CUDA.jl#2930 · Filter by author maleadt opened on Oct 8, 2025

• Wrap cuDensityMat

  libraries
  Enhancement

  JuliaGPU/CUDA.jl#2868 · Filter by author kshyatt opened on Sep 1, 2025
  2

  

• Support CuDeviceArray construction with non-Int dims

  good first issuekernels
  Bug

  JuliaGPU/CUDA.jl#2846 · Filter by author Hamiltonian-Action opened on Aug 13, 2025
  1

• CI: Consider defaulting to unified memory

  cispeculative
  Task

  JuliaGPU/CUDA.jl#2803 · Filter by author maleadt opened on Jun 27, 2025

• illegal memory access error was encountered with broadcasting

  kernelsupstream
  Bug

  JuliaGPU/CUDA.jl#2795 · Filter by author Alexander-Barth opened on Jun 23, 2025
  9