# Changelog

## v1.3.0 (Nov. 01, 2024)

*   Improve support for type annotations.
*   Improve accuracy of [upper and lower bounds estimates](#penalty-function-auto-generation) in constraint construction.
*   Change advanced parameters of {py:func}`~amplify.solve`, {py:func}`~amplify.parallel_solve`, {py:func}`~amplify.equal_to`, {py:func}`~amplify.less_equal`, {py:func}`~amplify.greater_equal` and {py:func}`~amplify.clamp` functions to keyword-only arguments for usability.
*   Support [Hitachi CMOS annealing](https://annealing-cloud.com/en) on {py:class}`~amplify.HitachiClient`.
*   Support DNP Annealing Software v1.0.3 on {py:class}`~amplify.DASClient`.
*   Support D-Wave Advantage2 Prototype 2.5.
*   Support conversion from {py:class}`~amplify.Variable` to {py:class}`~amplify.Poly`.
*   Support input/output of models with [LP](https://www.gurobi.com/documentation/current/refman/lp_format.html) and [QPLIB](https://doi.org/10.1007/s12532-018-0147-4) format files.
*   {py:class}`~amplify.Variable` can be used as a mapping key for {py:func}`~amplify.Poly.substitute`, {py:func}`~amplify.PolyArray.substitute` and {py:func}`~amplify.Constraint.is_satisfied`.
*   Support conversion from real variables to binary variables.
*   Add `compress_qpu_problem_data` attribute to {py:class}`~amplify.DWaveSamplerClient`, {py:class}`~amplify.LeapHybridSamplerClient` and {py:class}`~amplify.LeapHybridCQMSamplerClient`.
*   Add support for Python 3.13, and Python 3.8 is no longer supported.

```{dropdown} v1.3.1 (Nov. 18, 2024)

*   Fix: Prevent segmentation fault when accessing variables through {py:meth}`~amplify.Model.get_variables` or {py:attr}`~amplify.Model.variables` property on empty models.
*   Fix: Correct `total_elapsed_time` in {py:class}`~amplify.FujitsuDA4Client.SolverTiming` to reference the proper timing value.
*   Fix: Update type hints for {py:func}`~amplify.domain_wall` and {py:attr}`~amplify.VariableGenerator.array`.

```

## v1.2.0 (July 23, 2024)

*   Support TOSHIBA SQBM+ v2.0.3 on {py:class}`~amplify.ToshibaSQBM2Client`.
*   Support DNP Annealing Software v1.0.2 on {py:class}`~amplify.DASClient`.

```{dropdown} v1.2.1 (Aug. 06, 2024)

* Change supported macOS to Monterey or later.

```

## v1.1.0 (May 13, 2024)

*   Support NEC Vector Annealing Service 2.0 on {py:class}`~amplify.NECVA2Client`.
*   Improve the efficiency of the `Substitute` quadratization method and significantly reduce the number of auxiliary variables.
*   Add support for Linux ARM64.

```{dropdown} v1.1.1 (May 28, 2024)

* Fix type hints for `Result` class.

```

## v1.0.0 (Jan. 27, 2024)

*   Release version 1.0.

```{dropdown} v1.0.2 (Feb. 20, 2024)

* Add documents in English.
* Fix redundant deprecation warnings.
* Add `client.ocean` namespace for legacy compatibility.

```

```{dropdown} v1.0.3 (Mar. 01, 2024)

* Support D-Wave Advantage System 6.4.
* Support D-Wave Advantage 2 Prototype 2.2.

```

```{dropdown} v1.0.4 (Mar. 15, 2024)

* Fix a problem where SQBM request data is not sent correctly on Windows.

```

```{dropdown} v1.0.5 (Mar. 19, 2024)

* Support D-Wave Advantage 2 Prototype 2.3.

```