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[WIP] Compress sparse observable

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

Status: Open (in progress).

Qiskit/qiskitnumber 14073

#14073 In Qiskit/qiskit;

· alexanderivrii opened on Mar 23, 2025

[WIP] Pauli evolve in rust

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

fault tolerancerelated to fault tolerance compilationrelated to fault tolerance compilation

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

Status: Draft (not ready).

Qiskit/qiskitnumber 14677

#14677 In Qiskit/qiskit;

· ShellyGarion opened on Jun 30, 2025

[WIP] Make RVGate a standard gate

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

Status: Open (in progress).

Qiskit/qiskitnumber 15171

#15171 In Qiskit/qiskit;

· mtreinish opened on Oct 13, 2025

Add precompiled library for standalone C API to github release page

C APIRelated to the C APIRelated to the C API

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

Status: Open.

Feature request

#14437 In Qiskit/qiskit;

· mtreinish opened on May 22, 2025

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

Port PauliEvolutionGate to Rust

Status: Open.

#15450 In Qiskit/qiskit;

· Cryoris opened on Dec 16, 2025

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

QPY dump and load in Rust

Status: Open (in progress).

Qiskit/qiskitnumber 15749

#15749 In Qiskit/qiskit;

· gadial opened on Mar 4, 2026

[WIP] Split PyDAGCircuit from DAGCircuit

Changelog: NoneDo not include in the GitHub Release changelog.Do not include 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 15301

#15301 In Qiskit/qiskit;

· mtreinish opened on Nov 5, 2025

Make Optimize1qGatesDecomposition multithreaded

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

on holdCan not fix yetCan not fix yet

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: Draft (not ready).

Qiskit/qiskitnumber 15567

#15567 In Qiskit/qiskit;

· mtreinish opened on Jan 14, 2026

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

Add evolve method to QubitSparsePauli and PhasedQubitSparsePauli

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.

#15798 In Qiskit/qiskit;

· ShellyGarion opened on Mar 12, 2026

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

Add internal evolve methods by Clifford gates

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

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

Status: Open (in progress).

Qiskit/qiskitnumber 15813

#15813 In Qiskit/qiskit;

· ShellyGarion opened on Mar 15, 2026

Improve commutation checking of Pauli product rotations and measurements

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

fault tolerancerelated to fault tolerance compilationrelated to fault tolerance compilation

performance

Status: Open (in progress).

Qiskit/qiskitnumber 15815

#15815 In Qiskit/qiskit;

· alexanderivrii opened on Mar 16, 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

Add new multithreaded TwoQubitPeepholeOptimization pass

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

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 13419

#13419 In Qiskit/qiskit;

· mtreinish opened on Nov 10, 2024

qs_decomposition deprecations

synthesis

type: feature requestNew feature or requestNew feature or request

Status: Open.

Enhancement

#15004 In Qiskit/qiskit;

· mtreinish opened on Sep 11, 2025

Deprecate opt_a1, opt_a2, and non-decomposer callables in qs_decomposition (Qiskit 2.3)

Community PRPRs from contributors that are not 'members' of the Qiskit repoPRs from contributors that are not 'members' of the Qiskit repo

synthesis

Status: Open (in progress).

Qiskit/qiskitnumber 15235

#15235 In Qiskit/qiskit;

· AbdullahKazi500 opened on Oct 22, 2025

Enable CommutativeOptimization in the default transpiler pipeline

performance

Status: Open.

Enhancement

#15452 In Qiskit/qiskit;

· Cryoris opened on Dec 16, 2025

Add CommutativeOptimization to transpiler pipeline

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

Status: Open (in progress).

Qiskit/qiskitnumber 15464

#15464 In Qiskit/qiskit;

· alexanderivrii opened on Dec 18, 2025

Add SparseObservable.to_matrix, migrate from SparsePauliOp

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)

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 15022

#15022 In Qiskit/qiskit;

· aaryav-3 opened on Sep 17, 2025

Expose qk_{circuit, dag}_global_phase in the C API

C APIRelated to the C APIRelated to the C API

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

type: feature requestNew feature or requestNew feature or request

Status: Open.

Feature request

#15324 In Qiskit/qiskit;

· raynelfss opened on Nov 11, 2025