Issues

• Zygote throws error during precompilation in Julia nightly

  FluxML/Zygote.jl#1664 · Filter by author ronisbr opened on Jul 27, 2026

• audit the codebase for @adjoints that can be removed in favor of CR's rules

  FluxML/Zygote.jl#1646 · Filter by author CarloLucibello opened on Jun 15, 2026

• Triage 15 June 2026

  FluxML/Zygote.jl#1631 · Filter by author CarloLucibello opened on Jun 15, 2026

• Wrong gradient from broadcasting a function which tests index argument i==1, ForwardDiff v1

  FluxML/Zygote.jl#1602 · Filter by author rcalxrc08 opened on Feb 25, 2026
  7

• Gradient of cdf of t distribution crashes Julia

  FluxML/Zygote.jl#1600 · Filter by author droodman opened on Jan 27, 2026
  3

• type mismatch in Hermitian pullback on julia v1.12

  julia 1.12regression
  FluxML/Zygote.jl#1592 · Filter by author CarloLucibello opened on Oct 25, 2025

• failure at handling globals on julia 1.12

  julia 1.12regression
  FluxML/Zygote.jl#1591 · Filter by author CarloLucibello opened on Oct 25, 2025

• gradient fails when output depends on multi-dimensional generator with a condition

  FluxML/Zygote.jl#1590 · Filter by author AwesomeQuest opened on Oct 23, 2025

• How to see stack trace from Zygote macro expansion error

  FluxML/Zygote.jl#1589 · Filter by author paulxshen opened on Oct 6, 2025
  1

• Vector adjoint within list comprehension not supported

  FluxML/Zygote.jl#1587 · Filter by author lf28 opened on Sep 26, 2025

• Ternary multiplication Vector'*Diagonal*Vector has NamedTuple gradient

  FluxML/Zygote.jl#1586 · Filter by author johroj opened on Sep 12, 2025
  1

• size error when unbroadcasting arrays with generic eltypes

  FluxML/Zygote.jl#1585 · Filter by author lxvm opened on Aug 26, 2025
  1

• unbroadcast error due to overly strict types

  FluxML/Zygote.jl#1584 · Filter by author paulxshen opened on Aug 23, 2025
  1

• Segfault on calling gradient

  FluxML/Zygote.jl#1575 · Filter by author stromberger opened on May 28, 2025
  1

• Wrong gradient results for multiple getindex chained by foldl

  ChainRules
  FluxML/Zygote.jl#1558 · Filter by author frankwswang opened on Feb 13, 2025
  1

• gradient of @timed broken

  bug
  FluxML/Zygote.jl#1544 · Filter by author CarloLucibello opened on Dec 30, 2024

• Dense instead of sparse matrix returned during differentiation

  ChainRulesCUDA
  FluxML/Zygote.jl#1537 · Filter by author vboussange opened on Nov 3, 2024
  4

• fails to differentiate integers powers of Metal array

  FluxML/Zygote.jl#1533 · Filter by author CarloLucibello opened on Oct 17, 2024
  1

• Zygote.hessian_reverse for BatchNorm broken on julia v1.11

  bugcompilerhelp wanted
  FluxML/Zygote.jl#1531 · Filter by author CarloLucibello opened on Oct 11, 2024
  1

• Unable to differentiate a broadcasted constructor with CUDA array inputs

  CUDAhelp wanted
  FluxML/Zygote.jl#1528 · Filter by author BioTurboNick opened on Oct 3, 2024
  2

• Zygote breaks @isdefined

  FluxML/Zygote.jl#1527 · Filter by author Pangoraw opened on Sep 27, 2024

• Splatting gives an incorrect tuple return type on the gradient

  bug
  FluxML/Zygote.jl#1522 · Filter by author ChrisRackauckas opened on Sep 8, 2024
  1

• StructArray column access fails on GPU

  FluxML/Zygote.jl#1521 · Filter by author jariji opened on Sep 3, 2024

• Inferring Any on gradient w.r.t. wrapper of recursive type

  FluxML/Zygote.jl#1514 · Filter by author MilesCranmer opened on Jul 1, 2024

• Device-to-host copies with GPU code

  FluxML/Zygote.jl#1513 · Filter by author pxl-th opened on Jun 23, 2024
  11