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CHANGELOG.md

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Changelog

This Changelog tracks all past changes to this project as well as details about upcoming releases. The project follows Semantic Versioning with the exception that the 1.x release is still in beta with API breaking changes between minor releases. The notes below include a summary for each release, followed by details which contain one or more of the following tags:

  • added for new features.
  • changed for functionality and API changes.
  • deprecated for soon-to-be removed features.
  • removed for now removed features.
  • fixed for any bug fixes.
  • security in case of vulnerabilities.

Version 1.4 - 23 Dec 2021

Summary

Maintenance updates to code quality and implementation along with some useful utility functions and example notebooks.

Details

  • added experimental support for Runge Kutta 4 solving of EOM #144
  • changed the experiment and model classes for handling different propagation methods #144
  • changed The generator now can handle any list of devices that forms a directed graph #129
  • removed official support for Python 3.6 #156
  • added a method to HJSON dump current parameter values #149
  • added example for the log reader CLI #137
  • added human readable saving of current best point for the optimizer #140
  • fixed handling of anharmonicity in transmons with two levels #146
  • added an example notebook with entangling two-qubit gates #154
  • fixed Broken State Fidelity #135

Version 1.3 - 20 Jul 2021

Summary

Reduced coupling among different sections of the codebase by increasing the use of library style modules for all the sub-parts of the c3-toolset. Clean-ups also involved renaming the Optimizers to more intuitive names. Several performance improvements were introduced by vectorized and batched operations.

Details

  • added A Changelog as a central location for tracking releases, new features and API breaking changes
  • added Tests, Batch Processing for tf_utils, tests for from_config() and asdict() #89
  • fixed Transmon_expanded fitting of EJ EC #89
  • added More hjson functionality, including complex numbers #89
  • added fixed Sensitivity Analysis codebase with docs and examples #125
  • changed Names of Optimizers #120
  • added Tests and Cleanup of algorithms, qt_utils #124 #112
  • added Support for Python 3.9 and TF 2.4+ with more flexible dependencies #123 #95 #113 #72 #60
  • added Tests for Calibration #119
  • added fixed Model Learning codebase with docs and examples #117
  • fixed Parsing and Reading config files - Models, tasks etc #116 #103 #98 #41
  • changed Structure of libraries for model, tf_utils, propagators #99 #93
  • added High Level Introduction to library in docs #110
  • removed Tensorflow Optimizers that don't have correct integration #104 #124
  • added fixed Hamiltonian generation and a lot more #84
  • added Links to use binder #86 #37
  • added fixed Improvements in Qiskit integration #76 #68 #59 #54 #52 #50 #48 #47 #128
  • added Cutting the simulation space by excitation number #75
  • fixed Fix counting the relative phase in IQ Mixing #40
  • added Support for Parametric gates in OpenQasm style #57
  • added Simulation of cross talk between drive lines for Mutual Inductance #63
  • fixed Vulnerabilities hightlighted by CodeQL #65
  • added fixed Vectorization, FFT, Noise, Dressed States and a lot more #34
  • fixed Memory Leakage caused by use of tf.Variable #46
  • fixed Simulation of Tunable Coupler #45
  • added Nightly releases as c3-toolset-nightly with post-release checks #42 #62
  • added Tests for checking Notebooks #20

Version 1.2.3 - 16 Jul 2021

Summary

Bugfix release that addresses the memory leak due to usage of tf.Variable highlighted in #38 with the fix in #46.

Version 1.2.2 - 21 Feb 2021

Summary

Maintenance release with mostly cleanup and update of the dependencies along with some automated vulnerability checks.

Details

  • added Support for tensorflow==2.4.0, tensorflow-probability==0.12.1, tensorflow-estimator==2.4.0, tensorboard==2.4.0, numpy==1.19.5
  • fixed Cleaned up dependencies in requirements.txt and setup.py to remove unused packages
  • fixed Pin qiskit version in CI
  • added CodeQL CI analysis for checking security vulnerabilities

Version 1.2.1 - 2 Feb 2021

Hotfix for missing c3.qiskit module in the package setup.

Version 1.2 - 29 Jan 2021

Summary

Support for simulating many new physical elements as well as signal chains. Preliminary support for Qiskit programming with updated documentation.

Details

  • added Tunable Elements
  • added Robust Optimal Control
  • added Noise Simulation
  • added General Signal Generation Chain
  • added Updated Tests and Docs
  • added Updated Examples
  • added OpenQasm Qiskit support
  • added SNAIL device

Version 1.1.1 - 13 Jan 2021

Summary

This bug-fix is a mid release before the next major release 1.2 which is expected to provide enhancements for additional devices, gates and high-level programming support. In the meantime, this bug-fix addresses the following issues.

Details

  • fixed Typos in version names
  • fixed gast and tensorflow conflict due to pip resolver issues on Windows
  • added Missing Templates for PRs and Issues
  • fixed Missing rich in requirements.txt

Version 1.1 - 22 Dec 2020 - Christmas Release

Summary

This is the first major and properly packaged release of the c3-toolset library which also included a deployment to the PyPi package repository.

Details

  • added Tensorflow Optimizers - Experimental
  • added Model Parsers
  • removed Cleaned up Display and Plotting utils
  • added Granular Testing
  • added Quick Setup
  • added Configured and Selective Testing
  • added Faster CI/CD
  • added, fixed Compatibility with Windows and MacOS
  • added Better Examples and Docs
  • added pip installation configs
  • added pip-test deployment github actions