Changelog

All notable changes to this project will be documented in this file.

The format is based on a mixture of Keep a Changelog and Common Changelog. This project adheres to Semantic Versioning, with the exception that minor releases may include breaking changes.

Unreleased

Added

• ✨ Add Iterative Quantum Phase Estimation (IQPE) benchmark (#925) (@johanneswittmann9)

Fixed

• 🐛 Make IQM Crystal device connectivity bidirectional (#914) (@flowerthrower)

2.2.2 - 2026-04-20

Fixed

• 🚸 Fix compatibility with Qiskit 2.4 (#895) (@burgholzer)

2.2.1 - 2026-03-23

Rerelease of 2.2.0: no code changes. The CD pipeline failed for v2.2.0 and release artifacts are immutable, so this patch version republishes the same release contents.

2.2.0 - 2026-03-23

If you are upgrading: please see UPGRADING.md.

Added

• ✨ Add support for compiling if_test for all gatesets and devices (#805) (@adnathanail)

• ✨ Add benchmark for dynamical GHZ state generation (#816) (@TomasVF)

• ✨ Add Shor’s 9 Qubit Code benchmark (#803) (@adnathanail)

• ✨ Add 7 Qubit Steane Code benchmark (#814) (@adnathanail)

Changed

• 🏷️ Replace mypy with ty for static type checking (#794) (@burgholzer)

• ⬆️ Increase minimum Qiskit version to 2.0.0 (#803) (@adnathanail)

Fixed

• 🐛 Fixed num_state_qubits calculation in multiplier and vbe_ripple_carry_adder circuits (#865) (@simon1hofmann)

2.1.0 - 2025-10-18

If you are upgrading: please see UPGRADING.md.

Added

• 👷 Enable testing on Python 3.14 (#705) (@denialhaag)

Changed

• ✨ Expose seed of graphstate generation (#731) (@ystade)

Fixed

• 🐛 Fix layout preservation and ensure native gate compliance for mirror circuit generation (#709) (@soroushfathi, @burgholzer)

Removed

• 🔥 Drop support for Python 3.9 (#671) (@denialhaag)

2.0.1 - 2025-07-28

Changed

• 🎨 Rename CLI from mqt.bench.cli to mqt-bench (#625) (@burgholzer, @nquetschlich)

• 📝 Rewrite the usage documentation to include the CLI (#625) (@burgholzer, @nquetschlich)

2.0.0 - 2025-06-24

If you are upgrading: please see UPGRADING.md.

Added

• ✨ Add mirror circuit option for all benchmarks (#577, #603) (@CreativeBinBag, @burgholzer, @nquetschlich)

• ✨ Add arithmetic benchmarks (#586) (@simon1hofmann, @burgholzer)

• ✨ Add registry for benchmarks, devices, and native gatesets (#585, #572) (@simon1hofmann, @burgholzer)

• ✨ Add symbolic parameters for variational benchmarks (#581) (@nquetschlich, @burgholzer)

• ✨ Add distinct get_benchmark function per level (#571) (@simon1hofmann, @burgholzer)

• ✨ Add HHL algorithm (#582) (@nquetschlich, @burgholzer)

• ✨ Add support for compiling to the Clifford+T gateset (#555) (@simon1hofmann, @burgholzer, @nquetschlich)

• ✨ Add two benchmarks from BMW’s QUARK framework (#541) (@fkiwit)

• ✨ Add support for exporting to OpenQASM 3 (#518) (@simon1hofmann, @burgholzer, @nquetschlich)

• ✨ Add support for exporting to Qiskit’s QPY (#518) (@simon1hofmann, @burgholzer, @nquetschlich)

• ✨ Add Bernstein-Vazirani algorithm (#505) (@simon1hofmann, @burgholzer, @nquetschlich)

Changed

• ✨ Call transpile for optimization at the target-independent level (#580) (@simon1hofmann, @burgholzer)

• 🎨 Adjust supported IonQ Devices and update all Calibration Data (#570) (@nquetschlich, @burgholzer)

• 🎨 Correct the Rigetti gateset to only support RX gate with specific and not arbitrary angles and updated the calibration data (#570) (@nquetschlich, @burgholzer)

• ✨ Switch device and gateset representation to Qiskit’s Target (#560) (@burgholzer, @nquetschlich)

• 📝 Update and modernize project documentation (#566) (@simon1hofmann)

• 📝 Add CHANGELOG and UPGRADING info (#567) (@simon1hofmann)

• 🎨 Shorten and improve the generation logic of the Shor benchmark (#548) (@simon1hofmann)

• 🚚 Rebrand and move to MQT GitHub organization (#544) (@simon1hofmann)

• ✨ Re-add Python 3.9 support (#531) (@simon1hofmann)

• 🎨 Rename random circuit and VQE ansatz circuit benchmarks (#508) (@simon1hofmann, @nquetschlich)

• 🎨 Re-implement amplitude estimation without Qiskit Application modules (#506) (@simon1hofmann, @burgholzer, @nquetschlich)

Removed

• 🔥 Remove Generation Logic for Webpage (#538) (@nquetschlich)

• 🔥 Remove TKET-related functionality (#519, #510) (@simon1hofmann)

• 🔥 Remove Qiskit Application-based benchmarks (#507) (@simon1hofmann, @nquetschlich)

• 🔥 Remove benchviewer and evaluation modules (#504) (@burgholzer, @nquetschlich)

1.1.9 - 2024-12-01

📚 Refer to the GitHub Release Notes for previous changelogs.