Issues

• Some tests fail when not run from a dev environment

  JuliaGPU/Metal.jl#1054 · Filter by author christiangnrd opened on Oct 17, 2026

• Documentation hasn't been deployed since June (stable stuck at v1.9.3)

  documentation
  JuliaGPU/Metal.jl#987 · Filter by author maleadt opened on Sep 29, 2026

• 2D @index(Global, NTuple) is ~5x slower than linear indexing

  JuliaGPU/Metal.jl#910 · Filter by author luraess opened on Aug 5, 2026
  4

• Add CI job for large buffer CI jobs

  speculative
  Enhancement

  JuliaGPU/Metal.jl#737 · Filter by author christiangnrd opened on Jan 31, 2026

• [Meta] Improve contributor guidelines

  Task

  JuliaGPU/Metal.jl#715 · Filter by author christiangnrd opened on Dec 3, 2025

• [Meta] Create issue template

  Task

  JuliaGPU/Metal.jl#714 · Filter by author christiangnrd opened on Dec 3, 2025

• Support for dynamic shared memory

  Enhancement

  JuliaGPU/Metal.jl#701 · Filter by author maleadt opened on Nov 7, 2025
  4

• Support for Metal 4

  Enhancement

  JuliaGPU/Metal.jl#603 · Filter by author christiangnrd opened on Jun 9, 2025
  7

• Multiplication of some types with Rational causes compiler error

  kernels
  JuliaGPU/Metal.jl#570 · Filter by author alecloudenback opened on Mar 21, 2025
  3

• Improve constant-propagation

  kernels
  JuliaGPU/Metal.jl#567 · Filter by author christiangnrd opened on Mar 17, 2025

• Can't compare Float32 with Rational on Metal

  good first issuekernels
  Enhancement

  JuliaGPU/Metal.jl#550 · Filter by author efaulhaber opened on Feb 25, 2025
  3

• Enhance Support for Reading and Writing Metal Libraries

  good first issue
  Enhancement

  JuliaGPU/Metal.jl#511 · Filter by author tgymnich opened on Dec 25, 2024
  1

• Support kernel dispatch by total number of threads instead of threads per threadgroup

  speculative
  Enhancement

  JuliaGPU/Metal.jl#497 · Filter by author christiangnrd opened on Dec 15, 2024

• macOS 14: large MTLBuffers can complete commands successfully but return zeros / drop writes

  upstream
  Bug

  JuliaGPU/Metal.jl#476 · Filter by author rveltz opened on Nov 5, 2024
  13

• MPS: randn! produces NaNs

  upstream
  Bug

  JuliaGPU/Metal.jl#474 · Filter by author rveltz opened on Oct 28, 2024
  14

• EnzymeRules for MTLArray Constructor

  Task

  JuliaGPU/Metal.jl#414 · Filter by author wsmoses opened on Sep 2, 2024

• MPS: Large matrix multiplications using can contains NaNs

  upstream
  Bug

  JuliaGPU/Metal.jl#381 · Filter by author chengchingwen opened on Jul 4, 2024
  41

• Generalize adapt to allow specifying the storage mode but not the element type and/or number of dimensions

  arraysgood first issue
  JuliaGPU/Metal.jl#363 · Filter by author mtfishman opened on Jun 12, 2024
  3

• Missing public/exported docstrings

  documentationhelp wanted
  Task

  JuliaGPU/Metal.jl#358 · Filter by author christiangnrd opened on Jun 5, 2024
  1

• Threadgroup atomics require all-atomic operation

  kernels
  Bug

  JuliaGPU/Metal.jl#217 · Filter by author maleadt opened on Jun 26, 2023
  3

• Compilation failure due to high register usage

  kernelsupstream
  Bug

  JuliaGPU/Metal.jl#214 · Filter by author maleadt opened on Jun 24, 2023
  9

• Better error message for mixing MtlArray and Array operations

  arrays
  Enhancement

  JuliaGPU/Metal.jl#212 · Filter by author ViralBShah opened on Jun 22, 2023

• Equivalent of cuSparse - start with sparse matvec

  libraries
  Enhancement

  JuliaGPU/Metal.jl#208 · Filter by author ViralBShah opened on Jun 19, 2023
  12

• Improve performance of Cartesian indexing

  kernelsperformance
  Enhancement

  JuliaGPU/Metal.jl#101 · Filter by author maleadt opened on Feb 21, 2023
  3