Issues

• Wrong derivatives of range(a, b; length=n) when the range offset isn't 1 (forward tangent comes out reversed)

  EnzymeAD/Enzyme.jl#3889 · Filter by author parth-patel010 opened on Oct 31, 2026
  1

• FFTW reverse-mode rules for planned real FFTs

  EnzymeAD/Enzyme.jl#3887 · Filter by author kazuakiyama opened on Oct 30, 2026

• Forward-mode jacobian of u .- A*x (Const A, x) intermittently returns NaN entries (Julia 1.13)

  EnzymeAD/Enzyme.jl#3884 · Filter by author DanielBoigk opened on Oct 28, 2026

• LLVM 15 compilation blowup for rotary embedding gradients; limiting loop unswitching avoids it

  EnzymeAD/Enzyme.jl#3883 · Filter by author CarloLucibello opened on Oct 28, 2026

• Wrong gradient (zero) on Julia 1.11 for an Active immutable AbstractVector through a custom broadcast style with a non-inferred materialize

  EnzymeAD/Enzyme.jl#3882 · Filter by author rcalxrc08 opened on Oct 27, 2026

• "Illegal replace ficticious phi" when a Duplicated output is computed from a DuplicatedNoNeed input

  EnzymeAD/Enzyme.jl#3880 · Filter by author ChristianSchuler opened on Oct 22, 2026

• Segfault ("JIT session error: Failed to materialize symbols") differentiating code with Threads.@threads on Julia 1.13

  EnzymeAD/Enzyme.jl#3877 · Filter by author luraess opened on Oct 21, 2026

• 1.12: custom rule argument with duplicated roots and a constant Float64 field throws CallingConventionMismatchError

  EnzymeAD/Enzyme.jl#3875 · Filter by author vchuravy opened on Oct 21, 2026

• Runtime activity error for an Int32 array reshaped with a colon, returned next to an active argument

  EnzymeAD/Enzyme.jl#3873 · Filter by author CarloLucibello opened on Oct 21, 2026

• Segfault in reverse mode with in-place broadcast in a loop (override_bc_copyto!)

  bug
  EnzymeAD/Enzyme.jl#3872 · Filter by author giordano opened on Oct 20, 2026

• Wrong (zero) gradient in Reverse mode through BLAS.gemv! into an array backed by a MemoryRef

  bug
  EnzymeAD/Enzyme.jl#3871 · Filter by author giordano opened on Oct 20, 2026

• Wrong, non-deterministic reverse-mode gradient (sometimes NaN) for a loop allocating a new array wrapper at every step

  bug
  EnzymeAD/Enzyme.jl#3870 · Filter by author giordano opened on Oct 20, 2026

• Julia 1.13.2: EnzymeNoDerivativeError: cannot handle unknown binary operator: or when a mutable struct stores a Tuple{Float32,Float32}

  EnzymeAD/Enzyme.jl#3868 · Filter by author ChrisRackauckas-Claude opened on Oct 20, 2026

• Custom rule receives a corrupted Const isbits argument under dynamic dispatch when has_easy_rule is registered (since 0.13.206, still on main)

  EnzymeAD/Enzyme.jl#3867 · Filter by author ChrisRackauckas-Claude opened on Oct 19, 2026

• Assertion `select->getNumUses() == 0' failed

  EnzymeAD/Enzyme.jl#3865 · Filter by author tpapp opened on Oct 19, 2026

• Julia 1.13.2: EnzymeNoTypeError for reverse differentiation through an immutable problem and nested cache

  EnzymeAD/Enzyme.jl#3857 · Filter by author ChrisRackauckas opened on Oct 17, 2026

• Segfault in nodecayed_cut_failed! differentiating a @cuda kernel launch (Julia 1.13)

  EnzymeAD/Enzyme.jl#3856 · Filter by author CarloLucibello opened on Oct 17, 2026
  1

• Custom rule returning a mixed-activity value whose type does not infer: no shadow works

  EnzymeAD/Enzyme.jl#3855 · Filter by author utkuyilmaz1903 opened on Oct 17, 2026

• EnzymeNoDerivativeError broadcasting over a Vector of views returned from a function (Julia 1.13)

  EnzymeAD/Enzyme.jl#3854 · Filter by author CarloLucibello opened on Oct 17, 2026

• EnzymeNoTypeError collecting views from an Iterators.partition generator

  EnzymeAD/Enzyme.jl#3853 · Filter by author CarloLucibello opened on Oct 17, 2026
  1

• DivideError in EnzymeCreatePrimalAndGradient with views and a Vector→Matrix broadcast

  EnzymeAD/Enzyme.jl#3852 · Filter by author CarloLucibello opened on Oct 17, 2026
  1

• Reverse mode through a KernelAbstractions CPU kernel launched via a non-const global backend: "mismatch between innerTy ... and tape type" when CUDA.jl is loaded

  EnzymeAD/Enzyme.jl#3851 · Filter by author paulhopkins opened on Oct 16, 2026

• Reverse mode through a KernelAbstractions kernel on CUDA fails for exp(im*x) / cis(x): the tape type has Any fields, so the tape cannot be allocated on the device

  EnzymeAD/Enzyme.jl#3850 · Filter by author paulhopkins opened on Oct 16, 2026

• Wrong gradients when struct padding typed Anything is adjacent to a float field (dropped through loads, spurious through memset)

  EnzymeAD/Enzyme.jl#3849 · Filter by author allexandre97 opened on Oct 16, 2026

• Reverse mode: wrong gradient (N=6) and LLVM verifier abort on Julia 1.13 (N>=7) through recursive NTuple determinant / Cramer solve

  EnzymeAD/Enzyme.jl#3848 · Filter by author paulhopkins opened on Oct 16, 2026