Issues

• mkl<=2024.0 CI pin installs a libtorch build that won't import on glibc 2.41+

  GitHub CI/CDtorch
  pymc-devs/pytensor#2539 · Filter by author jessegrabowski opened on Oct 20, 2026

• pytensor-cache CLI: cleanup and improvements

  pymc-devs/pytensor#2536 · Filter by author williambdean opened on Oct 20, 2026

• ENH: consistent reporting and exit codes for pytensor-cache clear and unlock

  pymc-devs/pytensor#2534 · Filter by author williambdean opened on Oct 20, 2026
  3

• ENH: make pytensor-cache list pipeable (one record per line)

  pymc-devs/pytensor#2533 · Filter by author williambdean opened on Oct 20, 2026

• ENH: return cache introspection data instead of printing it

  pymc-devs/pytensor#2532 · Filter by author williambdean opened on Oct 20, 2026

• pytensor-cache prints errors and usage to stdout instead of stderr

  pymc-devs/pytensor#2531 · Filter by author williambdean opened on Oct 20, 2026

• ENH: pytensor-cache should support --help/-h and standard CLI expectations

  pymc-devs/pytensor#2530 · Filter by author williambdean opened on Oct 20, 2026

• BUG: pytensor-cache list crashes with ModuleNotFoundError when the compiledir contains keys from other environments (e.g. pymc)

  pymc-devs/pytensor#2529 · Filter by author williambdean opened on Oct 20, 2026

• ge(exp(x), 0) is not simplified

  graph rewritingnew feature
  pymc-devs/pytensor#2526 · Filter by author jessegrabowski opened on Oct 19, 2026
  3

• MLX mode never reaches the mx.addmm dispatches because BlasOpt is excluded

  mlxperformance
  pymc-devs/pytensor#2525 · Filter by author jessegrabowski opened on Oct 19, 2026

• MLX backend: _working_precision copies inputs that are already MLX arrays

  bugmlxperformance
  pymc-devs/pytensor#2524 · Filter by author jessegrabowski opened on Oct 19, 2026

• MLX backend: gammaln and psi compile to 7 and 6 kernel launches

  mlxperformance
  pymc-devs/pytensor#2523 · Filter by author jessegrabowski opened on Oct 19, 2026

• PyTorch Max/Min/Prod violate empty-axis ownership; Prod ignores accumulator dtype

  pymc-devs/pytensor#2521 · Filter by author cetagostini opened on Oct 19, 2026

• MLX ndarray typification makes a full NumPy copy for Fortran-contiguous matrices

  pymc-devs/pytensor#2520 · Filter by author cetagostini opened on Oct 19, 2026

• PyTorch Dot does not promote mixed operands to its declared output dtype

  pymc-devs/pytensor#2519 · Filter by author cetagostini opened on Oct 19, 2026
  1

• Reduction rewrites discard explicit accumulator dtype and intermediate narrowing

  pymc-devs/pytensor#2518 · Filter by author cetagostini opened on Oct 19, 2026
  2

• specialize_matmul_to_batched_dot breaks zero-sized matrix core dimensions

  pymc-devs/pytensor#2517 · Filter by author cetagostini opened on Oct 19, 2026
  1

• PyTorch Sum ignores output/accumulator dtype and reduces axis=()

  pymc-devs/pytensor#2516 · Filter by author cetagostini opened on Oct 19, 2026

• Represent constant reversed slices directly in Subtensor.idx_list

  graph rewritingindexingnew feature
  pymc-devs/pytensor#2511 · Filter by author jessegrabowski opened on Oct 18, 2026

• AlgebraicCanonizer expands live residual prefixes into quadratic addition work

  pymc-devs/pytensor#2507 · Filter by author cetagostini opened on Oct 18, 2026
  1

• local_slice_read_of_write fails on slice reads of a multi-axis advanced write

  buggraph rewritingindexing
  pymc-devs/pytensor#2496 · Filter by author jessegrabowski opened on Oct 14, 2026

• JAX: vectorized Scan fails because n_steps reaches the scan as a tracer

  jaxscanvectorization
  pymc-devs/pytensor#2490 · Filter by author jessegrabowski opened on Oct 12, 2026
  1

• In the python linker don't fallback to np.frompyfunc for add/mul with len(inputs) != 2

  pymc-devs/pytensor#2465 · Filter by author ricardoV94 opened on Oct 8, 2026

• xtensor vectorize_graph fails for RVs with explicit size when adding more than one tensor dim

  pymc-devs/pytensor#2456 · Filter by author raashish1601 opened on Oct 6, 2026
  2

• Support Python 3.15

  release
  pymc-devs/pytensor#2454 · Filter by author ricardoV94 opened on Oct 5, 2026