Issues

• [Bug] Amazon Braket get_final_state_vector() changes the circuit, so execute_circuit() fails afterwards

  bugenhancement
  apache/mahout#1538 · Filter by author Howardisme opened on Oct 18, 2026
  1

• [Bug] Parameters from a previous circuit persist after create_empty_circuit() and block execution

  bugenhancement
  apache/mahout#1536 · Filter by author Howardisme opened on Oct 18, 2026
  1

• [Feature] Python 3.13 support for the qumat package

  bugdocsenhancementgood-first-issuequmat
  apache/mahout#1512 · Filter by author 400Ping opened on Oct 13, 2026
  2

• [Feature] Add missing gates to QuMat: S, S-dagger, T-dagger, CZ, Phase

  docsenhancementgood-first-issuequmat
  apache/mahout#1511 · Filter by author 400Ping opened on Oct 13, 2026
  3

  

• [Bug] create_empty_circuit() without num_qubits behaves differently per backend

  bugdocsenhancementgood-first-issuequmat
  apache/mahout#1510 · Filter by author 400Ping opened on Oct 13, 2026
  1

• [Bug] Reusing a parameter name on two gates fails on Qiskit only (name conflict adding parameter)

  bugenhancementgood-first-issuequmat
  apache/mahout#1509 · Filter by author 400Ping opened on Oct 13, 2026
  2

• [Bug] Cirq backend ignores the initialized simulator and creates its own cirq.Simulator()

  bugenhancementgood-first-issuequmat
  apache/mahout#1508 · Filter by author 400Ping opened on Oct 13, 2026
  1

  

• [Bug] Unsupported simulator_type is printed and ignored instead of raising (Cirq, Braket)

  bugenhancementgood-first-issuequmat
  apache/mahout#1507 · Filter by author 400Ping opened on Oct 13, 2026

• [Bug] Unknown backend_name leaks ModuleNotFoundError instead of a clear ValueError

  bugenhancementgood-first-issuequmat
  apache/mahout#1506 · Filter by author 400Ping opened on Oct 13, 2026
  4

• [Feature][QDP] One encode path across Python, Rust and CUDA (tracking)

  bugdocsenhancement
  apache/mahout#1477 · Filter by author ryankert01 opened on Sep 9, 2026
  3

  

• [Roadmap] Mahout Q4 2026

  apache/mahout#1473 · Filter by author 400Ping opened on Aug 16, 2026
  

• [Bug] QDP cannot read default LZ4-compressed Feather files

  bugdocsenhancementgood-first-issue
  apache/mahout#1472 · Filter by author viiccwen opened on Aug 16, 2026

• [Bug] QdpBenchmark does not validate documented builder argument ranges

  bugdocsgood-first-issue
  apache/mahout#1469 · Filter by author viiccwen opened on Aug 16, 2026
  3

  

• [Bug] Rust-backed QDP file loader ignores the configured batch limit

  bugdocsgood-first-issue
  apache/mahout#1468 · Filter by author viiccwen opened on Aug 16, 2026
  1

• [Bug] QDP CUDA file APIs cannot load documented PyTorch tensor files

  bugdocsenhancementgood-first-issue
  apache/mahout#1467 · Filter by author viiccwen opened on Aug 16, 2026
  1

• [Refactor] StreamingProducer: use VecDeque for O(1) buffer advance

  good-first-issueqdp
  apache/mahout#1436 · Filter by author 0lai0 opened on Jul 2, 2026
  2

• [Refactor] Unify batch producers via AdapterBackedProducer

  enhancement
  apache/mahout#1435 · Filter by author 0lai0 opened on Jul 2, 2026

• [Refactor] Unify PipelineIterator constructors with Source enum

  enhancement
  apache/mahout#1434 · Filter by author 0lai0 opened on Jul 2, 2026

• [Refactor] KernelElem trait to deduplicate f32/f64 stubs

  bugenhancement
  apache/mahout#1433 · Filter by author 0lai0 opened on Jul 2, 2026

• [Docs] Document Preprocessor in qumat_qdp public API

  bugdocsenhancementquestion
  apache/mahout#1432 · Filter by author 0lai0 opened on Jul 2, 2026

• [Feature] PyO3 bindings for Preprocessor

  bugdocsenhancementquestion
  apache/mahout#1431 · Filter by author 0lai0 opened on Jul 2, 2026

• [Feature] Fail fast when estimated memory exceeds VRAM

  bugenhancementquestion
  apache/mahout#1430 · Filter by author 0lai0 opened on Jul 2, 2026

• [Feature] [qdp] A end-to-end profiling system for qdp

  enhancementquestion
  apache/mahout#1410 · Filter by author ryankert01 opened on Jun 22, 2026
  

• [Feature] Qumat QMLTrainer

  enhancementquestion
  apache/mahout#1409 · Filter by author ryankert01 opened on Jun 18, 2026
  1

• [QDP] IQP encoding optimization roadmap

  enhancement
  apache/mahout#1385 · Filter by author aloha1357 opened on Jun 7, 2026