Issues

• [Question]: Metadata preservation in modifier pass

  C-questionS-needs-triage
  Quantinuum/tket2#2115 · Filter by author nicolaassolini-qntm opened on Oct 30, 2026

• [Question]: When we should panic in the Modifier Resolver Pass?

  C-question
  Quantinuum/tket2#2101 · Filter by author nicolaassolini-qntm opened on Oct 28, 2026
  2

  

• [Bug](NormalizeCFGs): Nondeterministic 'invalid node in get_optype'

  C-bugfixS-needs-triage
  Quantinuum/tket2#2097 · Filter by author acl-cqc opened on Oct 26, 2026

• 💥 Unsoundness check fail on main

  Quantinuum/tket2#2096 · Filter by author hugrbot opened on Oct 26, 2026
  

• [Bug]: Applying routing and mapping pytket passes fail with PyTK1DecodeError

  C-bugfixS-needs-triage
  Quantinuum/tket2#2095 · Filter by author ferbetanzo opened on Oct 23, 2026

• [Bug]: applying ComposePhasePolyBoxes pass with min_size 0, 1, 2 fails

  C-bugfixS-needs-triage
  Quantinuum/tket2#2093 · Filter by author ferbetanzo opened on Oct 22, 2026

• [Bug]: program semantics change when applying CliffordSimp(allow_swaps=True)

  C-bugfixS-needs-triage
  Quantinuum/tket2#2092 · Filter by author ferbetanzo opened on Oct 22, 2026

• [Bug]: GreedyPauliSimp fails a predicate check for a simple Guppy program

  C-bugfix
  Quantinuum/tket2#2091 · Filter by author CalMacCQ opened on Oct 21, 2026
  1

• QSystem rebasing hides quantum operations from force_order, causing qubit exhaustion

  Quantinuum/tket2#2090 · Filter by author doug-q opened on Oct 21, 2026

• [Bug]: github.event.pull_request.merge_commit_sha can be stale

  C-bugfixS-needs-triage
  Quantinuum/tket2#2073 · Filter by author doug-q opened on Oct 9, 2026
  1

  

• 💥 Unsoundness check fail on main

  Quantinuum/tket2#2063 · Filter by author hugrbot opened on Oct 5, 2026
  1

• Remove redundant UnpackTuple --> MakeTuple pairs in Normalize pass

  C-feature-requestS-needs-triage
  Quantinuum/tket2#2061 · Filter by author cqc-alec opened on Oct 2, 2026
  2

  

• [Bug]: qis-compiler cannot compile >64k unique CX call sites

  C-bugfixS-needs-triage
  Quantinuum/tket2#2048 · Filter by author cgh-qtnm opened on Sep 25, 2026
  1

• Require copyable payloads for futures Dup and Free

  Quantinuum/tket2#2045 · Filter by author doug-q opened on Sep 25, 2026
  

• [Maintenance]: update guppy_optimization examples to guppy 1.1

  Quantinuum/tket2#2044 · Filter by author acl-cqc opened on Sep 25, 2026

• [Feature][pg-libs]: Implement FastTMerge

  A-pg-libsC-feature-requestS-needs-triage
  Quantinuum/tket2#2036 · Filter by author vvandaele opened on Sep 23, 2026

• [pg-libs] Remove duplication between Op::BlackBox and GateType::BlackBox

  A-pg-libs
  Quantinuum/tket2#2028 · Filter by author yao-cqc opened on Sep 22, 2026

• [pg-libs] Try different cost heuristics in pg-greey-synth

  A-pg-libs
  Quantinuum/tket2#2008 · Filter by author yao-cqc opened on Sep 17, 2026

• [pg-libs] Support conditional global phase

  A-pg-libs
  Quantinuum/tket2#2006 · Filter by author yao-cqc opened on Sep 16, 2026

• [pg-libs] SIMD performance investigation

  A-pg-libs
  Quantinuum/tket2#2005 · Filter by author yao-cqc opened on Sep 16, 2026

• [pg-libs] Investigate and improve GatePool performance in pg-greedy-synth

  A-pg-libs
  Quantinuum/tket2#2004 · Filter by author yao-cqc opened on Sep 16, 2026

• [pg-libs] Investigate memory usage in PackedPGSlice in pg-greedy-synth

  A-pg-libs
  Quantinuum/tket2#2003 · Filter by author yao-cqc opened on Sep 16, 2026

• [pg-libs] Improve conditional and blackbox handling in pg-greedy-synth

  A-pg-libs
  Quantinuum/tket2#2002 · Filter by author yao-cqc opened on Sep 16, 2026

• [pg-libs] Use SerialCircuit as a conversion target in pg-tk converter

  A-pg-libs
  Quantinuum/tket2#2001 · Filter by author yao-cqc opened on Sep 16, 2026

• Add encoder/decoder for pauli exponentials

  Quantinuum/tket2#1999 · Filter by author cqc-alec opened on Sep 16, 2026