```{eval-rst} .. currentmodule:: pytket.extensions.qiskit ``` # Changelog ## 0.59.0 (November 2024) - Updated pytket version requirement to 1.34.0. - Fix handling of non-default registers when selecting bits in results. - Update default compilation to use `Qiskit` `SabreLayoutPassManager` as a `CustomPass`. - Fix handling of non-default registers when selecting bits in results. - The {py:func}`tk_to_qiskit` converter gives a warning if the input {py:class}`~pytket.circuit.Circuit` contains [implicit qubit permutations](https://docs.quantinuum.com/tket/user-guide/manual/manual_circuit.html#implicit-qubit-permutations). ## 0.58.0 (October 2024) - Updated pytket version requirement to 1.33.1. - Require qiskit >= 1.2.4. - Require qiskit-ibm-runtime >= 0.30.0. - Require qiskit-aer >= 0.15.1. ## 0.57.0 (October 2024) - Updated pytket version requirement to 1.33. - Added handling of generalised controlled gates to {py:func}`qiskit_to_tk` and {py:func}`tk_to_qiskit`. The `control_state` is handled directly instead of using additional `X` gates. - A controlled {py:class}`UnitaryGate` will now be converted to a pytket controlled unitary box by {py:func}`qiskit_to_tk` instead of a controlled {py:class}`~pytket.circuit.CircBox` with a unitary box inside. ## 0.56.0 (September 2024) - Added {py:class}`AerDensityMatrixBackend` simulator. This simulator has the option to support a {py:class}`NoiseModel`. - Fix conversion of symbols into qiskit. - Require qiskit >= 1.2.0. - Add conversion of controlled unitary gates from qiskit to tket. - Initialize `TketAutoPass` with a `BackendV2`. - Update `TketBackend` to derive from `BackendV2`. - Fix to allow `AerBackend` to work with multi-controlled Z gates. ## 0.55.0 (July 2024) - Updated pytket version requirement to 1.30. ## 0.54.1 (June 2024) - Relax version requirements on dependencies by removing upper bounds. - Fix status reporting when running on hardware. ## 0.54.0 (June 2024) - User can pass a `SamplerOptions` instance (from `qiskit-ibm-runtime`) via a keyword argument to both an `IBMQBackend` constructor and an instance method `IBMQBackend.process_circuits`. - Remove dependency on deprecated qiskit-ibm-provider. - Remove support for deprecated "ibmq_qasm_simulator" backend. - Forbid circuits with incomplete classical registers in `tk_to_qiskit()`. - Updated pytket version requirement to 1.29. - Update qiskit-ibm-runtime version requirement to 0.24.1. - Update qiskit version requirement to 1.1. - Update qiskit-aer version requirement to 0.14.2. - When constructing an Aer backend with a name for which more than one is available, emit a warning and pick the first in the list. ## 0.53.0 (April 2024) - Updated pytket version requirement to 1.27. - Update qiskit-ibm-runtime version requirement to 0.23. ## 0.52.0 (April 2024) - Update pytket version requirement to 1.26. - Update qiskit-aer version requirement to 0.14. - Update conversion to qiskit to use symengine for symbolic circuits - Add `IBMQBackend.default_compilation_pass_offline` for offline compilation given config and props objects. - Add `DirectednessPredicate` to IBMQBackend - Default compilation pass of IBMQBackend will keep ECR gates in the direction required by the backend. ## 0.51.0 (March 2024) - Update qiskit-ibm-runtime version requirement to 0.22. - remove all remote simulators - rename `IBMQLocalEmulatorBackend` to `IBMQEmulatorBackend` - `IBMQEmulatorBackend` will now run locally - add support for contextual optimisation on local emulator ## 0.50.0 (March 2024) - Update qiskit-algorithms version requirement to 0.3. ## 0.49.0 (March 2024) - Update pytket version requirement to 1.25. - Update qiskit version requirement to 1.0. - Update qiskit-ibm-provider version requirement to 0.10. - Update qiskit-ibm-runtime version requirement to 0.21. - Add `IBMQLocalEmulatorBackend` for running local emulation of `IBMQBackend` using `AerBackend` with a noise model. ## 0.48.1rc1 - Fix: use correct `instance` with `IBMQEmulatorBackend`. ## 0.48.0 (January 2024) - Updated pytket version requirement to 1.24. - Python 3.12 support added, 3.9 dropped. - fix conditional bit in pytket to qiskit conversion - fix symbolic conversion of parameter in conversion ## 0.47.0 (January 2024) - Update qiskit-ibm-runtime version to 0.17.0. - Update qiskit-ibm-provider version to 0.8.0. - Updated pytket version requirement to 1.23. ## 0.46.0 (November 2023) - Updated pytket version requirement to 1.22. - Add support for circuits with barriers in the Aer simulators. - Update qiskit version to 0.45.0. - Update qiskit-ibm-runtime version to 0.15.1. - Update qiskit-aer version to 0.13.0. - Update qiskit-ibm-provider version to 0.7.2. - Introduce dependency on qiskit-algorithms. - Seed given to `process_circuits()` will be automatically incremented for the different circuit batches submitted. - Fix {py:class}`RuntimeError` caused by the use of custom gates in `qiskit_to_tk` [#200](https://github.com/CQCL/pytket-qiskit/issues/200). ## 0.45.0 (October 2023) - Updated pytket version requirement to 1.21. - Implement crosstalk noise model for AerBackend. - Don't include `SimplifyInitial` in default passes; instead make it an option to `process_circuits()`. ## 0.44.0 (September 2023) - Fix to add include Measure, Reset and Conditional operations to the supported operations of {py:class}`AerStateBackend`. - Update qiskit-ibm-runtime version to 0.12.0. - Update qiskit-ibm-provider version to 0.7.0. - Update pytket version requirement to 1.19. ## 0.43.0 (August 2023) - Update qiskit version to 0.44. - Update qiskit-aer version to 0.12.2. - Update qiskit-ibm-runtime version to 0.11.3. - Update qiskit-ibm-provider version to 0.6.3. - Add option to specify the maximum number of qubits supported by Aer backends (defaults to 40). ## 0.42.0 (August 2023) - Update pytket version requirement to 1.18. ## 0.41.0 (July 2023) - Update pytket version requirement to 1.17. - Fix conversion of qiskit `UnitaryGate` to and from pytket (up to 3 qubits). - Fix handling of qiskit controlled gates in the {py:meth}`qiskit_to_tk` converter. - Handle CCZ and CSX gates in circuit converters. ## 0.40.0 (June 2023) - IBM devices are now accessed using the [qiskit-ibm-provider](https://github.com/Qiskit/qiskit-ibm-provider) instead of the deprecated {py:class}`IBMQ`. This allows the newest IBM devices and simulators to be accessed through `pytket-qiskit`. See the updated documentation on [credentials](https://docs.quantinuum.com/tket/extensions/pytket-qiskit/index.html#access-and-credentials). - The parameters `hub`, `group` and `project` are no longer handled as separate arguments in {py:class}`IBMQBackend` and {py:meth}`IBMQBackend.available_devices`. Use `"instance=f"{hub}/{group}/{project}"` instead. - Added support for the {X, SX, Rz, ECR} in the default compilation pass for {py:class}`IBMQBackend` and {py:class}`IBMQEmulatorBackend`. This is the set of gates used by some of the new IBM devices. - Fix to the {py:meth}`tk_to_qiskit` converter to prevent cancellation of redundant gates when converting to qiskit. - Handle qiskit circuits with {py:class}`Initialize` and {py:class}`StatePreparation` instructions in the {py:meth}`qiskit_to_tk` converter. The {py:meth}`tk_to_qiskit` converter now handles {py:class}`StatePreparationBox`. - Fix handling of control state in {py:meth}`qiskit_to_tk`. - Update qiskit version to 0.43.1 - Update qiskit-ibm-runtime version to 0.11.1 - Update qiskit-ibm-provider version to 0.6.1 - Update pytket version to 1.16 ## 0.39.0 (May 2023) - Updated pytket version requirement to 1.15. - The {py:meth}`IBMQBackend.get_compiled_circuit` method now allows for optional arguments to override the default settings in the {py:class}`NoiseAwarePlacement`. ## 0.38.0 (April 2023) - Fix to ensure that the {py:class}`IBMBackend` and {py:class}`IBMQEmulatorBackend` both properly enforce {py:class}`MaxNQubitsPredicate`. - Update qiskit version to 0.42. - Updated pytket version requirement to 1.14. ## 0.37.1 (March 2023) - Fix backend settings for AerStateBackend and AerUnitaryBackend ## 0.37.0 (March 2023) - Fix faulty information in `AerBackend().backend_info` - Updated pytket version requirement to 1.13. ## 0.36.0 (February 2023) - Update qiskit version to 0.41. - Fix order of Pauli terms when converting from `QubitPauliOperator`. ## 0.35.0 (February 2023) - Automatically use IBMQ token if saved in pytket config and not saved in qiskit config. - Update qiskit version to 0.40. - Update code to remove some deprecation warnings. - Work around <https://github.com/Qiskit/qiskit-terra/issues/7865>. ## 0.34.0 (January 2023) - Handle more multi-controlled gates in `tk_to_qiskit` and `qiskit_to_tk` converters (including CnY and CnZ). - Drop support for Python 3.8; add support for 3.11. - Fix ordering of registers in statevector simulation results. - Remove `reverse_index` argument in `tk_to_qiskit()`. - Updated pytket version requirement to 1.11. ## 0.33.0 (December 2022) - Fix handling of parameter when converting `PauliEvolutionGate` to `QubitPauliOperator`. - Updated pytket version requirement to 1.10. ## 0.32.0 (December 2022) - Use `qiskit_ibm_runtime` services for sampling on `IBMQBackend` and `IBMQEmulatorBackend`. Note that shots tables (ordered lists of results) are no longer available from these backends. (`BackendResult.get_shots()` will fail; use `get_counts()` instead.) - Fix incorrect circuit permutation handling for `AerUnitaryBackend` and `AerStateBackend`. ## 0.31.0 (November 2022) - Update `TketBackend` to support `FullyConnected` architecture. - Fix the issue that some qiskit methods can't retrieve results from `TketJob`. - Updated pytket version requirement to 1.9. - Handle `OpType.Phase` when converting to qiskit. - Change default optimization level in `default_compilation_pass()` to 2. ## 0.30.0 (November 2022) - Update qiskit version to 0.39. - `tk_to_qiskit` now performs a rebase pass prior to conversion. Previously an error was returned if a `Circuit` contained gates such as `OpType.ZZMax` which have no exact replacement in qiskit. Now the unsupported gate will be implemented in terms of gates supported in qiskit rather than returning an error. - Updated pytket version requirement to 1.8. ## 0.29.0 (October 2022) - Add post-routing `KAKDecomposition` to default pass with `optimisation_level` = 2. - Add support for `ECRGate` in `tk_to_qiskit` conversion. - Update qiskit version to 0.38. - Updated pytket version requirement to 1.7. ## 0.28.0 (August 2022) - Improve result retrieval speed of `AerUnitaryBackend` and `AerStateBackend`. - Update qiskit version to 0.37. - Updated pytket version requirement to 1.5. ## 0.27.0 (July 2022) - Updated pytket version requirement to 1.4. ## 0.26.0 (June 2022) - Updated pytket version requirement to 1.3. ## 0.25.0 (May 2022) - Updated pytket version requirement to 1.2. ## 0.24.0 (April 2022) - Fix two-qubit unitary conversions. - Update qiskit version to 0.36. - Updated pytket version requirement to 1.1. ## 0.23.0 (March 2022) - Removed `characterisation` property of backends. (Use `backend_info` instead.) - Updated pytket version requirement to 1.0. ## 0.22.2 (February 2022) - Fixed {py:meth}`IBMQEmulatorBackend.rebase_pass`. ## 0.22.1 (February 2022) - Added {py:meth}`IBMQEmulatorBackend.rebase_pass`. ## 0.22.0 (February 2022) - Qiskit version updated to 0.34. - Updated pytket version requirement to 0.19. - Drop support for Python 3.7; add support for 3.10. ## 0.21.0 (January 2022) - Qiskit version updated to 0.33. - Updated pytket version requirement to 0.18. ## 0.20.0 (November 2021) - Qiskit version updated to 0.32. - Updated pytket version requirement to 0.17. ## 0.19.0 (October 2021) - Qiskit version updated to 0.31. - Removed deprecated {py:meth}`AerUnitaryBackend.get_unitary`. Use {py:meth}`AerUnitaryBackend.run_circuit` and {py:meth}`pytket.backends.backendresult.BackendResult.get_unitary` instead. - Updated pytket version requirement to 0.16. ## 0.18.0 (September 2021) - Qiskit version updated to 0.30. - Updated pytket version requirement to 0.15. ## 0.17.0 (September 2021) - Updated pytket version requirement to 0.14. ## 0.16.1 (July 2021) - Fix slow/high memory use {py:meth}`AerBackend.get_operator_expectation_value` ## 0.16.0 (July 2021) - Qiskit version updated to 0.28. - Use provider API client to check job status without retrieving job in IBMQBackend. - Updated pytket version requirement to 0.13. ## 0.15.1 (July 2021) - Fixed bug in backends when n_shots argument was passed as list. ## 0.15.0 (June 2021) - Updated pytket version requirement to 0.12. ## 0.14.0 (unreleased) - Qiskit version updated to 0.27. ## 0.13.0 (May 2021) - Updated pytket version requirement to 0.11. ## 0.12.0 (unreleased) - Qiskit version updated to 0.26. - Code rewrites to avoid use of deprecated qiskit methods. - Restriction to hermitian operators for expectation values in `AerBackend`. ## 0.11.0 (May 2021) - Contextual optimisation added to default compilation passes (except at optimisation level 0). - Support for symbolic parameters in rebase pass. - Correct phase when rebasing. - Ability to preserve UUIDs of qiskit symbolic parameters when converting. - Correction to error message. ## 0.10.0 (April 2021) - Support for symbolic phase in converters.