Issues

• Forward mode leaves an orphan 'dual_phi placeholder for cmpxchg (invalid IR)

  EnzymeAD/Enzyme#3492 · Filter by author rsenne opened on Oct 14, 2026

• MLIR: expand-impulse produces ill-typed impulse.if when adapting the default inverse mass matrix

  EnzymeAD/Enzyme#3486 · Filter by author agarret7 opened on Oct 13, 2026

• Improve structure of Fortran tests

  fortran
  Task

  EnzymeAD/Enzyme#3479 · Filter by author joewallwork opened on Oct 12, 2026
  

• Document supported Fortran features

  fortran
  Task

  EnzymeAD/Enzyme#3478 · Filter by author joewallwork opened on Oct 12, 2026

• Forward-mode differentiation of a BLAS gemm call crashes

  EnzymeAD/Enzyme#3477 · Filter by author kshyatt opened on Oct 12, 2026

• Illegal address space propagation: cached pointer derived from an enzyme_fromstack allocation (regression from #3266)

  EnzymeAD/Enzyme#3455 · Filter by author vchuravy opened on Oct 8, 2026
  

• Incorrect gradient on nested loop

  EnzymeAD/Enzyme#3448 · Filter by author ZuseZ4 opened on Oct 6, 2026

• MLIR: activity refinement removes a derivative that is still in use

  EnzymeAD/Enzyme#3437 · Filter by author vimarsh6739 opened on Oct 6, 2026

• Forward-mode MPI_Recv with MPI_ANY_SOURCE matches the wrong tangent (or primal) message

  EnzymeAD/Enzyme#3357 · Filter by author vchuravy opened on Oct 1, 2026

• Can not deduce type of memset introduced by LLVM opts

  EnzymeAD/Enzyme#3327 · Filter by author ZuseZ4 opened on Sep 30, 2026
  2

• Get 'grab bag' of Fortran fixes merged

  fortraniccs-hacktoberfest
  Enhancement

  EnzymeAD/Enzyme#3319 · Filter by author joewallwork opened on Sep 29, 2026

• Segfault in batched reverse mode: a loop that passes the structs of a Vector to a non-inlined function

  EnzymeAD/Enzyme#3316 · Filter by author timesselens opened on Sep 29, 2026
  2

• Wrong reverse-mode gradients for a double-buffered shift of a Vector of structs, with Duplicated and BatchDuplicated

  EnzymeAD/Enzyme#3315 · Filter by author timesselens opened on Sep 29, 2026
  2

• No derivative for sincos and sincospi that write their results through pointers (CUDA, Metal, AMD, C)

  EnzymeAD/Enzyme#3307 · Filter by author timesselens opened on Sep 28, 2026
  2

• Backstack lowering strips addrspace(11) casts, breaking a phi that merges a restored stack object with a heap one

  EnzymeAD/Enzyme#3304 · Filter by author wsmoses opened on Sep 28, 2026

• enzyme_const pointer stored into active memory gets the primal as shadow: fwd tangent reads primal, rev mutates the const input

  EnzymeAD/Enzyme#3295 · Filter by author vchuravy opened on Sep 28, 2026
  7

• maximum/minimum derivative goes to the operand that was not returned for -0.0 vs +0.0 (relu(x) - relu(-x) has derivative 2 at 0)

  EnzymeAD/Enzyme#3279 · Filter by author vchuravy opened on Sep 28, 2026

• sinc/sincn derivative rules cancel near 0 and give wrong higher-order derivatives at 0

  EnzymeAD/Enzyme#3275 · Filter by author vchuravy opened on Sep 27, 2026

• FFT - incorrect swap handling

  EnzymeAD/Enzyme#3262 · Filter by author ZuseZ4 opened on Sep 27, 2026

• Nested autodiff of functions with object arguements

  EnzymeAD/Enzyme#3261 · Filter by author AyhamSaffar opened on Sep 27, 2026
  1

• A SameTypesFunc companion inherits the callee's attributes, so a second derivative through it can use the callee's rule

  EnzymeAD/Enzyme#3249 · Filter by author timesselens opened on Sep 24, 2026

• MLIR: cacheValues / createReverseModeAdjoint guard mismatches in the load and store reverse rules

  EnzymeAD/Enzyme#3240 · Filter by author Pangoraw opened on Sep 19, 2026

• Bazel workflow doesn't run

  bugCI
  Bug

  EnzymeAD/Enzyme#3237 · Filter by author joewallwork opened on Sep 16, 2026

• Test enzyme_out with Fortran

  fortran
  Task

  EnzymeAD/Enzyme#3230 · Filter by author joewallwork opened on Sep 15, 2026
  1

• NVPTX reverse-mode cache growth does not release superseded buffers

  EnzymeAD/Enzyme#3219 · Filter by author BJMCox opened on Sep 13, 2026