Issues

• Support Ubuntu 26.04 runners: PECOS LLVM needs libxml2.so.2 and CUDA 12.6 has no 26.04 packages

  buggithub_actionsrustseverity:medium
  PECOS-packages/PECOS#1656 · Filter by author ciaranra opened on Nov 13, 2026

• Trunk CI red: Documentation Tests & Build on dev

  buggithub_actionsseverity:high
  PECOS-packages/PECOS#1655 · Filter by author github-actions opened on Nov 12, 2026

• Trunk CI red: Selene Plugins on dev

  buggithub_actionsseverity:high
  PECOS-packages/PECOS#1654 · Filter by author github-actions opened on Nov 12, 2026

• Trunk CI red: Rust test / linting on dev

  buggithub_actionsseverity:high
  PECOS-packages/PECOS#1653 · Filter by author github-actions opened on Nov 12, 2026

• Trunk CI red: CUDA Build Check on dev

  buggithub_actionsseverity:high
  PECOS-packages/PECOS#1652 · Filter by author github-actions opened on Nov 12, 2026

• Trunk CI red: Documentation Tests & Build on dev (nightly)

  buggithub_actionsseverity:high
  PECOS-packages/PECOS#1651 · Filter by author github-actions opened on Nov 12, 2026

• Trunk CI red: Selene General Noise Semantics on dev (nightly)

  buggithub_actionsseverity:high
  PECOS-packages/PECOS#1650 · Filter by author github-actions opened on Nov 12, 2026

• Trunk CI red: Nightly validation on dev (nightly)

  buggithub_actionsseverity:high
  PECOS-packages/PECOS#1649 · Filter by author github-actions opened on Nov 12, 2026

• Trunk CI red: CUDA Build Check on dev (nightly)

  buggithub_actionsseverity:high
  PECOS-packages/PECOS#1648 · Filter by author github-actions opened on Nov 12, 2026

• GeneralNoiseModel applies per-operand single-qubit noise and leakage filtering to multi-qubit Custom gates

  bugrustseverity:medium
  PECOS-packages/PECOS#1646 · Filter by author ciaranra opened on Nov 12, 2026

• Docs: clarify positive-support fault enumeration and tracked output fields

  PECOS-packages/PECOS#1640 · Filter by author qciaran opened on Nov 11, 2026

• Trunk CI red: OSV Scanner on dev

  buggithub_actionsseverity:high
  PECOS-packages/PECOS#1639 · Filter by author github-actions opened on Nov 11, 2026
  4

• Trunk CI red: OSV Scanner on dev (nightly)

  buggithub_actionsseverity:high
  PECOS-packages/PECOS#1638 · Filter by author github-actions opened on Nov 11, 2026
  1

• PyMatching bridge drops the supplied edge weight when an error probability is also given

  PECOS-packages/PECOS#1628 · Filter by author ciaranra opened on Nov 9, 2026

• Event-driven Union-Find growth: stale events and inherited cluster radius

  PECOS-packages/PECOS#1626 · Filter by author ciaranra opened on Nov 9, 2026
  1

• Trunk CI red: Python test / linting on dev (nightly)

  buggithub_actionsseverity:high
  PECOS-packages/PECOS#1621 · Filter by author github-actions opened on Nov 8, 2026
  4

• Trunk CI red: Python test / linting on dev

  buggithub_actionsseverity:high
  PECOS-packages/PECOS#1620 · Filter by author github-actions opened on Nov 6, 2026
  6

• StabActive run_batch: cap live lanes rather than shots per chunk

  enhancementrust
  PECOS-packages/PECOS#1611 · Filter by author ciaranra opened on Nov 5, 2026

• Selene plugin CI lane does not run on simulator-backend-only changes

  enhancementgithub_actions
  PECOS-packages/PECOS#1610 · Filter by author ciaranra opened on Nov 5, 2026

• Verify gate calls before they reach simulators on every path; add verified calls for direct simulator use

  bugrustseverity:low
  PECOS-packages/PECOS#1605 · Filter by author ciaranra opened on Nov 4, 2026

• pecos-neo crosstalk does not collapse the affected qubit or use its state, unlike the engines

  bugrustseverity:critical
  PECOS-packages/PECOS#1573 · Filter by author ciaranra opened on Nov 1, 2026

• Rust Selene compiler pin is stuck at tket2 96865e91 by Windows path lengths

  enhancementrust
  PECOS-packages/PECOS#1541 · Filter by author ciaranra opened on Oct 31, 2026

• TimingRunner.total_time is never accumulated, so threshold and speed helpers report zero time

  bugpythonseverity:medium
  PECOS-packages/PECOS#1537 · Filter by author ciaranra opened on Oct 30, 2026

• CoinToss.run_circuit rejects removed_locations, so CoinToss fails under the Standard runner

  bugpythonseverity:high
  PECOS-packages/PECOS#1536 · Filter by author ciaranra opened on Oct 30, 2026

• Legacy HybridEngine never clears leaked qubits on unleak (string compared with a set)

  bugpythonseverity:low
  PECOS-packages/PECOS#1535 · Filter by author ciaranra opened on Oct 30, 2026