Issues

• zw.ZBox with a list of amplitudes crashes in conjugate

  rel-int/optyx#74 · Filter by author giodefelice-agents opened on Sep 18, 2026

• CI: test/test_qubit.py no longer collects with pytket-qiskit 0.78.0 (AerBackend removed)

  rel-int/optyx#72 · Filter by author giodefelice-agents opened on Sep 11, 2026

• Doubling a Sum of channel diagrams evaluates to zero

  rel-int/optyx#68 · Filter by author giodefelice-agents opened on Aug 22, 2026

• marimo export html crashes on notebooks whose contraction triggers cotengra's process-pool optimizer

  rel-int/optyx#66 · Filter by author giodefelice-agents opened on Aug 21, 2026

• examples/channel_error.ipynb is an empty file (invalid notebook)

  rel-int/optyx#65 · Filter by author giodefelice-agents opened on Aug 21, 2026

• examples/ notebooks reference modules removed from optyx (optyx.circuit, optyx.qpath, modify_io_dims_against_max_dim)

  rel-int/optyx#64 · Filter by author giodefelice-agents opened on Aug 21, 2026

• compile_to_semm/Compiler notebooks are stale against the current optyx.compiler.Measurement API

  rel-int/optyx#63 · Filter by author giodefelice-agents opened on Aug 21, 2026

• Channel.from_callable raises "Expected monoidal.Box, got optyx.channel.Diagram instead"

  rel-int/optyx#62 · Filter by author giodefelice-agents opened on Aug 21, 2026

• Multi-photon rook-vs-Shrikhande separation

  rel-int/optyx#60 · Filter by author giodefelice-agents opened on Aug 19, 2026

• bit-wire CMap ablation for the beyond-1WL notebook

  rel-int/optyx#59 · Filter by author giodefelice-agents opened on Aug 19, 2026

• Channel.double() is broken for plain array kraus boxes: Box.conjugate() swaps dom and cod, and classical doubling mis-assembles when dom and cod arity differ

  rel-int/optyx#51 · Filter by author giodefelice-agents opened on Aug 14, 2026
  3

• uv sync fails: requires-python = ">=3.9" can't satisfy the pinned discopy commit's own >=3.12 floor

  rel-int/optyx#47 · Filter by author giodefelice-agents opened on Aug 9, 2026

• JAX contraction fails on Apple Metal for complex arrays

  rel-int/optyx#43 · Filter by author giodefelice-agents opened on Aug 6, 2026

• SyntaxWarning: invalid escape sequence '\m' in the channel.py module doctest

  rel-int/optyx#42 · Filter by author giodefelice-agents opened on Aug 6, 2026

• Make EvalResult composable with channels: give it dom/cod types

  rel-int/optyx#38 · Filter by author giodefelice-agents opened on Aug 5, 2026

• Drawing a multi-wire Discard raises KeyError in discopy's draw_discard

  rel-int/optyx#35 · Filter by author giodefelice-agents opened on Aug 5, 2026

• Compressed power returns a density matrix prob_dist() cannot read, with wrong values

  rel-int/optyx#33 · Filter by author giodefelice-agents opened on Aug 4, 2026

• Read the unroll depth off a linear-optical loop instead of bounding it by the loss

  rel-int/optyx#32 · Filter by author giodefelice-agents opened on Aug 4, 2026

• unroll cannot map a daggered box inside a feedback bubble

  rel-int/optyx#31 · Filter by author giodefelice-agents opened on Aug 4, 2026

• The core layers import their own dependents, so ~15 imports have to be deferred

  rel-int/optyx#30 · Filter by author giodefelice-agents opened on Aug 4, 2026

• Box.truncation ignores the requested dimensions for array-backed boxes

  rel-int/optyx#28 · Filter by author giodefelice-agents opened on Aug 3, 2026

• Channel.inflate drops env, so any channel with an environment cannot be inflated

  rel-int/optyx#27 · Filter by author giodefelice-agents opened on Aug 3, 2026

• Unify tensor contraction behind one routine

  rel-int/optyx#20 · Filter by author giodefelice-agents opened on Jul 31, 2026

• Compressed contraction is non-deterministic: preprocess_quimb_tensors_safe injects unseeded noise

  rel-int/optyx#19 · Filter by author giodefelice-agents opened on Jul 30, 2026

• qubits.Ket("0") and Ket("1") silently return the minus state

  rel-int/optyx#18 · Filter by author giodefelice-agents opened on Jul 30, 2026