qibo 0.3.1

What's Changed

• Force pygridsynth to be hidden dependency + standard CNOT decomposition by @renatomello in #1796
• Enabling random_clifford for more than 255 qubits by @renatomello in #1798

Full Changelog: v0.3.0...v0.3.1

qibo 0.3.0

What's Changed

• Constant term in expectation_from_samples by @AlejandroSopena in #1754
• build(deps): bump urllib3 from 2.5.0 to 2.6.0 by @dependabot[bot] in #1756
• [pre-commit.ci] pre-commit autoupdate by @pre-commit-ci[bot] in #1757
• on_qubits method for gates.GeneralizedRBS by @AlejandroSopena in #1758
• Add Circuit.from_qasm_file and Circuit.to_qasm_file methods by @renatomello in #1760
• Backend refactoring by @renatomello in #1711
• Add CZ decomposition of gates.RBS by @renatomello in #1762
• Bloch sphere by @niccololaurora in #1668
• Fix Backend.eigenvectors for GPU backends by @renatomello in #1763
• Faster implementation of von_neumann_entropy by @renatomello in #1766
• Add generator to gates.RBS docstring by @renatomello in #1768
• Fix state visualization when a MeasurementOutcomes object is passed by @MatteoRobbiati in #1767
• [pre-commit.ci] pre-commit autoupdate by @pre-commit-ci[bot] in #1769
• build(deps): bump urllib3 from 2.6.1 to 2.6.3 by @dependabot[bot] in #1771
• Small fix for qiboml by @renatomello in #1770
• Small fix for qiboml jax by @renatomello in #1772
• Small quantum_info fixes for qiboml by @renatomello in #1773
• build(deps-dev): bump nbconvert from 7.16.6 to 7.17.0 by @dependabot[bot] in #1776
• Add max, min, var, and coo_matrix methods to abstract Backend by @renatomello in #1775
• Add new Hamiltonian hamiltonians.models.GPP by @renatomello in #1748
• Adding qiboopt link by @mho291 in #1778
• Add coo_matrix method to NumpyBackend by @renatomello in #1779
• Standard decomposition as default by @BrunoLiegiBastonLiegi in #1781
• Add _base_decompose method to missing gate classes by @renatomello in #1774
• Adding up_to_k_hamming_weight_encoder to models.encodings by @andre-juan in #1780
• Moving helper functions out of models.encodings by @renatomello in #1782
• [pre-commit.ci] pre-commit autoupdate by @pre-commit-ci[bot] in #1788
• Remove unnecessary controls from Hopf binary_encoder by @renatomello in #1787
• Summary stdout + typing by @renatomello in #1784
• Add transpiler to the API reference by @renatomello in #1785
• Fix unwanted error logged when circuit loaded from json file by @renatomello in #1789
• Add precision tolerance to quantum_info.metrics.fidelity by @renatomello in #1790
• Add closed_boundary argument to hamiltonians.models.TFIM by @renatomello in #1791
• Fix apply_gate in qibojit by @renatomello in #1792
• [pre-commit.ci] pre-commit autoupdate by @pre-commit-ci[bot] in #1794
• Add Clifford+T decomposition to transpiler by @renatomello in #1786

Full Changelog: v0.2.23...v0.3.0

qibo 0.2.23

What's Changed

• [pre-commit.ci] pre-commit autoupdate by @pre-commit-ci[bot] in #1744
• Add standard decompositions for RXX, RYY, and RZZ by @renatomello in #1746
• QASM support for vectorized measurements definition by @BrunoLiegiBastonLiegi in #1745
• feat: add qir exporter by @GabrielePalazzo in #1741
• [pre-commit.ci] pre-commit autoupdate by @pre-commit-ci[bot] in #1750
• Refactor the expectation value calculation structure by @BrunoLiegiBastonLiegi in #1713
• Qiskit transpiler wrapper by @BrunoLiegiBastonLiegi in #1747
• Pass backend explicitly to avoid relying on QIBO_PLATFORM by @andrea-pasquale in #1749
• build(deps-dev): bump fonttools from 4.60.1 to 4.61.0 by @dependabot[bot] in #1752
• binary_encoder refactoring by @qumaciel in #1709
• Add default wire_names if some wires are not in the connectivity graph by @scarrazza in #1755

Full Changelog: v0.2.22...v0.2.23

qibo 0.2.22

What's Changed

• Fix GeneralizedRBS decomposition + optimize RBS decomposition according to number of controls by @renatomello in #1722
• [pre-commit.ci] pre-commit autoupdate by @pre-commit-ci[bot] in #1717
• Alternative fidelities for mixed states by @renatomello in #1723
• Refactor quantum_info.random_clifford by @renatomello in #1708
• [pre-commit.ci] pre-commit autoupdate by @pre-commit-ci[bot] in #1724
• Clifford measurement fix by @BrunoLiegiBastonLiegi in #1639
• Updating publication list by @scarrazza in #1725
• Fixing u1<-> p equivalence in qasm by @andre-juan in #1735
• [pre-commit.ci] pre-commit autoupdate by @pre-commit-ci[bot] in #1737
• quantum_info module refactor and customization by @BrunoLiegiBastonLiegi in #1583
• feat: add cudaq exporter by @GabrielePalazzo in #1738
• feat: Import circuits from cudaq by @GabrielePalazzo in #1742

New Contributors

• @andre-juan made their first contribution in #1735
• @GabrielePalazzo made their first contribution in #1738

Full Changelog: v0.2.21...v0.2.22

qibo 0.2.21

What's Changed

• Permutation synthesis and Li's sparse encoder by @qumaciel in #1694
• Support simultaneously diagonalizable terms in exp_from_circuit by @BrunoLiegiBastonLiegi in #1686
• Merge and simplify common terms in a SymbolicHamiltonian after expanding by @chmwzc in #1664
• [pre-commit.ci] pre-commit autoupdate by @pre-commit-ci[bot] in #1703
• Add LABS Hamiltonian by @renatomello in #1704
• Adding gradients required for adjoint differentiation by @andrea-pasquale in #1707
• Add gates.FanOut gate by @renatomello in #1698
• Update qibojit branch by @renatomello in #1714
• Support for gate.Unitary in Clifford backend by @AlejandroSopena in #1700

New Contributors

• @qumaciel made their first contribution in #1694

Full Changelog: v0.2.20...v0.2.21

qibo 0.2.20

What's Changed

• Bump pillow from 11.2.1 to 11.3.0 by @dependabot[bot] in #1680
• Implementing Gate.on_qubits methods to work on noisy channels by @renatomello in #1646
• expectation_from_samples fix by @BrunoLiegiBastonLiegi in #1681
• Two-qubit unitary transpiler which deals with #1673 by @joan-ainaud in #1682
• Add Backend.calculate_matrix_log and Backend.calculate_matrix_sqrt + refactor Backend.calculate_matrix_exp + add quantum_info.matrix_logarithm and quantum_info.matrix_sqrt by @renatomello in #1684
• added plot state function for issue #689 by @sergiomtzlosa in #1672
• Fix to data-based mitigation methods by @BrunoLiegiBastonLiegi in #1690
• Small fix to visualize_state by @BrunoLiegiBastonLiegi in #1693

Full Changelog: v0.2.19...v0.2.20

qibo 0.2.19

What's Changed

• Remove outdated comments in gates.abstract.Gate class by @renatomello in #1634
• Remove unnecessary backend methods by @renatomello in #1636
• Bump tornado from 6.4.2 to 6.5.1 by @dependabot in #1644
• New backend specialised in Hamming-weight-preserving circuits by @renatomello in #1565
• [pre-commit.ci] pre-commit autoupdate by @pre-commit-ci in #1647
• [unitaryHack 2025] Implementation of Dicke state preparation by @AprilSweettooth in #1650
• [unitaryHack 2025] Graph state encoding by @victor-onofre in #1649
• Expectation from samples improvements by @BrunoLiegiBastonLiegi in #1660
• [UnitaryHack2025] Implement all-to-all and simple Dicke State generation circuits by @joan-ainaud in #1654
• Bump requests from 2.32.3 to 2.32.4 by @dependabot in #1665
• Casting expectation values to real in expectation_from_samples by @MatteoRobbiati in #1667
• python 3.13.5 in the CI by @BrunoLiegiBastonLiegi in #1671
• Enable TOFFOLI.decompose and add CCZ decomposition into native gate set that includes the CZ gate by @renatomello in #1670
• [unitaryHack 2025] Refactor gate decomposition to support controlled gates by @GiacomoFrn in #1653
• [unitaryHack 2025] Generalization of the transpilation of arbitrary two-qubit by @AprilSweettooth in #1656
• Minor documentation fixes in models.encodings + fix coverage by @renatomello in #1666
• Adding _check_backend to CMA optimizer by @andrea-pasquale in #1674
• Bump urllib3 from 2.4.0 to 2.5.0 by @dependabot in #1675
• Allowing circuit execution using float32 and float64 dtypes by @renatomello in #1625

New Contributors

• @AprilSweettooth made their first contribution in #1650
• @victor-onofre made their first contribution in #1649
• @joan-ainaud made their first contribution in #1654
• @GiacomoFrn made their first contribution in #1653

Full Changelog: v0.2.18...v0.2.19

qibo 0.2.18

What's Changed

• review plot out of bounds qubit number - bug #1497 by @sergiomtzlosa in #1623
• pytest --gpu-only fix + GPU backends shots sampling by @BrunoLiegiBastonLiegi in #1616
• Making functions in models.encodings backend-aware by @renatomello in #1622
• Enhanced gates.Unitary draw with matplotlib by @sergiomtzlosa in #1618
• Add sparse_encoder to models.encodings by @renatomello in #1591
• Drop noise_model.py by @renatomello in #1629
• Downgrade sympy dependency by @renatomello in #1628

Full Changelog: v0.2.17...v0.2.18

qibo 0.2.17

What's Changed

• SymbolicHamiltonian refactor by @BrunoLiegiBastonLiegi in #1548
• Include T gate in qibo.matrices by @renatomello in #1596
• Remove while loop in error_sensitive_circuit by @AlejandroSopena in #1597
• Fix gates.GeneralizedRBS.apply method by @renatomello in #1594
• [pre-commit.ci] pre-commit autoupdate by @pre-commit-ci in #1600
• Matrix representation of gates.GeneralizedRBS independent of qubit order by @AlejandroSopena in #1599
• Migrating to Numpy 2.0 by @BrunoLiegiBastonLiegi in #1582
• Support Python 3.13 by @alecandido in #1484
• Fix clustering bug when plotting single-qubit circuits by @sergiomtzlosa in #1608
• Add binary_encoder parameterized in hyperspherical coordinates by @renatomello in #1584
• Implementing function to visualize states in UI module by @MatteoRobbiati in #1605
• bug fix #1609 by @sergiomtzlosa in #1610
• custom labels for plot_circuit drawing function - issue #1611 by @sergiomtzlosa in #1612
• Use qibojit main for tests by @alecandido in #1619
• Fix Circuit.get_parameters(format="flatlist") in the presence of 0-dimensional tensors by @renatomello in #1614
• Add Lanczos algorithm to quantum_info.linalg_operations by @renatomello in #1604
• Make backend.samples_to_binary use the backend's engine by @BrunoLiegiBastonLiegi in #1615

Full Changelog: v0.2.16...v0.2.17

qibo 0.2.16

What's Changed

• Bump jinja2 from 3.1.4 to 3.1.5 by @dependabot in #1557
• Improving docstrings in final qubit mapping, w/ {logical: physical} by @GuillermoAbadLopez in #1563
• Add hamming_weight_encoder to models.encodings by @renatomello in #1560
• [pre-commit.ci] pre-commit autoupdate by @pre-commit-ci in #1568
• Fix StarConnectivtyPlacer/Router._check_star_connectivity for len(nodes)>5 by @GuillermoAbadLopez in #1567
• Add nontrivial entangling layers to models.encodings.entangling_layer by @renatomello in #1559
• Fix transpiler tests failing in the master branch by @renatomello in #1569
• Selfhosted GPU workflow and GPU Tests fixes by @BrunoLiegiBastonLiegi in #1561
• Modify models.encodings.hamming_weight_encoder to upload data in the lexicographical order by @renatomello in #1572
• Fix docstring of gates.PRX by @renatomello in #1571
• [pre-commit.ci] pre-commit autoupdate by @pre-commit-ci in #1574
• Updating cuquantum version by @andrea-pasquale in #1573
• Cupy matrices by @BrunoLiegiBastonLiegi in #1558
• Adding wire_names to circuit.raw and from_dict by @BrunoLiegiBastonLiegi in #1576
• Changed the directory to selfhosted tests to $(mktemp -d) by @BrunoLiegiBastonLiegi in #1578
• Selfhosted GPU tests restricted to GPU backends only by @BrunoLiegiBastonLiegi in #1579

New Contributors

• @GuillermoAbadLopez made their first contribution in #1563

Full Changelog: v0.2.15...v0.2.16