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Implement true parallelization in qpy.load and qpy.dump

mod: qpyRelated to QPY serializationRelated to QPY serialization

type: feature requestNew feature or requestNew feature or request

Status: Open.

#15710 In Qiskit/qiskit;

· ihincks opened on Feb 21, 2026

Remove target_basis argument from rust native BasisTranslator

mod: transpilerIssues and PRs related to TranspilerIssues and PRs related to Transpiler

RustThis PR or issue is related to Rust code in the repositoryThis PR or issue is related to Rust code in the repository

type: feature requestNew feature or requestNew feature or request

Status: Open.

Enhancement

#14951 In Qiskit/qiskit;

· raynelfss opened on Aug 26, 2025

Separate PyDAGCircuit and PyCircuitData

type: feature requestNew feature or requestNew feature or request

Status: Open.

#15575 In Qiskit/qiskit;

· jakelishman opened on Jan 15, 2026

Add DAG substitute op to the C API.

C APIRelated to the C APIRelated to the C API

type: feature requestNew feature or requestNew feature or request

Status: Open.

Feature request

#15192 In Qiskit/qiskit;

· kevinhartman opened on Oct 15, 2025

Make Sabre generic over analysis type

Changelog: AddedAdd an "Added" entry in the GitHub Release changelog.Add an "Added" entry in the GitHub Release changelog.

mod: transpilerIssues and PRs related to TranspilerIssues and PRs related to Transpiler

on holdCan not fix yetCan not fix yet

performance

Status: Open (in progress).

Qiskit/qiskitnumber 15799

#15799 In Qiskit/qiskit;

· jakelishman opened on Mar 12, 2026

Restrict unsafe blocks to single statements where possible.

Changelog: NoneDo not include in the GitHub Release changelog.Do not include in the GitHub Release changelog.

type: qaIssues and PRs that relate to testing and code qualityIssues and PRs that relate to testing and code quality

Status: Open (in progress).

Qiskit/qiskitnumber 15806

#15806 In Qiskit/qiskit;

· Cryoris opened on Mar 13, 2026

WIP: Expose QkObs borrowing from Python-space SparseObservable

C APIRelated to the C APIRelated to the C API

Changelog: AddedAdd an "Added" entry in the GitHub Release changelog.Add an "Added" entry in the GitHub Release changelog.

Changelog: ChangedAdd a "Changed" entry in the GitHub Release changelog.Add a "Changed" entry in the GitHub Release changelog.

on holdCan not fix yetCan not fix yet

RustThis PR or issue is related to Rust code in the repositoryThis PR or issue is related to Rust code in the repository

Status: Draft (not ready).

Qiskit/qiskitnumber 15752

#15752 In Qiskit/qiskit;

· jakelishman opened on Mar 4, 2026

Implement Param add/mul as proper methods

Changelog: NoneDo not include in the GitHub Release changelog.Do not include in the GitHub Release changelog.

RustThis PR or issue is related to Rust code in the repositoryThis PR or issue is related to Rust code in the repository

Status: Open (in progress).

Qiskit/qiskitnumber 15032

#15032 In Qiskit/qiskit;

· Cryoris opened on Sep 19, 2025

Add Delay to the Target C API

C APIRelated to the C APIRelated to the C API

mod: transpilerIssues and PRs related to TranspilerIssues and PRs related to Transpiler

type: feature requestNew feature or requestNew feature or request

Status: Open.

Feature request

#14536 In Qiskit/qiskit;

· raynelfss opened on Jun 4, 2025

Allow Annotations on PackedInstruction

type: feature requestNew feature or requestNew feature or request

Status: Open.

#15574 In Qiskit/qiskit;

· jakelishman opened on Jan 15, 2026

Implement a builder-like constructor for Target

Changelog: NoneDo not include in the GitHub Release changelog.Do not include in the GitHub Release changelog.

RustThis PR or issue is related to Rust code in the repositoryThis PR or issue is related to Rust code in the repository

Status: Open (in progress).

Qiskit/qiskitnumber 14308

#14308 In Qiskit/qiskit;

· raynelfss opened on May 6, 2025

Implement alternative Clone for PackedInstruction.

Changelog: NoneDo not include in the GitHub Release changelog.Do not include in the GitHub Release changelog.

mod: circuitRelated to the core of the `QuantumCircuit` class or the circuit libraryRelated to the core of the `QuantumCircuit` class or the circuit library

RustThis PR or issue is related to Rust code in the repositoryThis PR or issue is related to Rust code in the repository

Status: Open (in progress).

Qiskit/qiskitnumber 14680

#14680 In Qiskit/qiskit;

· raynelfss opened on Jun 30, 2025

Add heuristic for non-symbolic value calculations in SymbolExpr

Status: Open (in progress).

Qiskit/qiskitnumber 14686

#14686 In Qiskit/qiskit;

· doichanj opened on Jul 3, 2025

Optimize and multithread remove diagonal before measure pass

Changelog: NoneDo not include in the GitHub Release changelog.Do not include in the GitHub Release changelog.

Changelog: PerformancePerformance improvements without API and semantic changes.Performance improvements without API and semantic changes.

mod: transpilerIssues and PRs related to TranspilerIssues and PRs related to Transpiler

performance

RustThis PR or issue is related to Rust code in the repositoryThis PR or issue is related to Rust code in the repository

Status: Open (in progress).

Qiskit/qiskitnumber 14723

#14723 In Qiskit/qiskit;

· mtreinish opened on Jul 10, 2025

Refactor/abstract qubit sparse pauli-type interfaces

mod: primitivesRelated to the Primitives moduleRelated to the Primitives module

mod: quantum infoRelated to the Quantum Info module (States & Operators)Related to the Quantum Info module (States & Operators)

Status: Open (in progress).

Qiskit/qiskitnumber 14901

#14901 In Qiskit/qiskit;

· DanPuzzuoli opened on Aug 13, 2025

Make builtin qasm2.CustomClassical extensions Rust-native

Changelog: NoneDo not include in the GitHub Release changelog.Do not include in the GitHub Release changelog.

mod: qasm2Relating to OpenQASM 2 import or exportRelating to OpenQASM 2 import or export

Status: Open (in progress).

Qiskit/qiskitnumber 15560

#15560 In Qiskit/qiskit;

· jakelishman opened on Jan 13, 2026

Remove phase from CircuitData::with_capacity

Changelog: NoneDo not include in the GitHub Release changelog.Do not include in the GitHub Release changelog.

mod: circuitRelated to the core of the `QuantumCircuit` class or the circuit libraryRelated to the core of the `QuantumCircuit` class or the circuit library

on holdCan not fix yetCan not fix yet

RustThis PR or issue is related to Rust code in the repositoryThis PR or issue is related to Rust code in the repository

type: qaIssues and PRs that relate to testing and code qualityIssues and PRs that relate to testing and code quality

Status: Open (in progress).

Qiskit/qiskitnumber 15571

#15571 In Qiskit/qiskit;

· jakelishman opened on Jan 14, 2026

Change SparseObservable.canonicalize to HashMap/Vec internals

Changelog: AddedAdd an "Added" entry in the GitHub Release changelog.Add an "Added" entry in the GitHub Release changelog.

mod: quantum infoRelated to the Quantum Info module (States & Operators)Related to the Quantum Info module (States & Operators)

on holdCan not fix yetCan not fix yet

performance

Status: Open (in progress).

Qiskit/qiskitnumber 15582

#15582 In Qiskit/qiskit;

· jakelishman opened on Jan 19, 2026

Remove libpython dependency on standalone libqiskit build

C APIRelated to the C APIRelated to the C API

RustThis PR or issue is related to Rust code in the repositoryThis PR or issue is related to Rust code in the repository

type: feature requestNew feature or requestNew feature or request

Status: Open.

#14240 In Qiskit/qiskit;

· mtreinish opened on Apr 23, 2025

Update Sabre extended-set tracking to be layer-based

Status: Open.

#14913 In Qiskit/qiskit;

· jakelishman opened on Aug 14, 2025

Use Rust-native Error types for all Rust native structs.

RustThis PR or issue is related to Rust code in the repositoryThis PR or issue is related to Rust code in the repository

type: feature requestNew feature or requestNew feature or request

Status: Open.

Enhancement

#15026 In Qiskit/qiskit;

· raynelfss opened on Sep 18, 2025

Expose transpile from qiskit.transpiler

good first issueGood for newcomersGood for newcomers

mod: transpilerIssues and PRs related to TranspilerIssues and PRs related to Transpiler

type: feature requestNew feature or requestNew feature or request

Status: Open.

#15067 In Qiskit/qiskit;

· jakelishman opened on Sep 24, 2025

Enable a multi-IR pipeline for bicycle compilation

fault tolerancerelated to fault tolerance compilationrelated to fault tolerance compilation

type: epicA theme of work that contain sub-tasksA theme of work that contain sub-tasks

Status: Open.

#15860 In Qiskit/qiskit;

· Cryoris opened on Mar 24, 2026

Add QubitSparsePauli.equal_indices checking if another qubit sparse pauli is non-trival on the same qubits

mod: quantum infoRelated to the Quantum Info module (States & Operators)Related to the Quantum Info module (States & Operators)

type: feature requestNew feature or requestNew feature or request

Status: Open.

#15883 In Qiskit/qiskit;

· DanPuzzuoli opened on Mar 26, 2026

Add a method to QubitSparsePauliList to get a sublist that anti-commutes with a given QubitSparsePauli

mod: quantum infoRelated to the Quantum Info module (States & Operators)Related to the Quantum Info module (States & Operators)

type: feature requestNew feature or requestNew feature or request

Status: Open.

#15882 In Qiskit/qiskit;

· DanPuzzuoli opened on Mar 26, 2026