v0.1.0

This is OpenQAOA's first major release! V0.1.0 contains many new features and quite a few breaking changes :)

notice: the license has been changed from apache 2.0 to MIT

What's Changed

• New Features

  • The code underwent a considerable refactoring effort. The most noticeable change is in the new openqaoa-core and openqaoa-plugins.
  • New backend: OpenQAOA is now compatible with Azure by @shahidee44 in #167
  • New circuit Ansatz: now OQ allows for the Alternating Operator Ansatz by @shahidee44 in #85
  • New backend: analytical formula for p=1 by @kidiki in #147
  • Shot Adaptative optimizers by @raulconchello in #123
  • Supporting PennyLane optimizers by @raulconchello in #101
  • Refactor of the result objects for RQAOA / QAOA by @raulconchello in #122
  • JSON dumps methods for RQAOA / QAOA by @raulconchello in #122

• Bug fixes

  • Bugfix: QPU qubit overflow by @shahidee44 in #108
  • fix: Spelling of Oxford Quantum Circuits by @christianbmadsen in #141
  • Bugfix vanishing RQAOA instances after elimination by @kidiki in #158

New Contributors

• @christianbmadsen made their first contribution in #141
• @kidiki made their first contribution in #157

Full Changelog: v0.0.4...v0.1.0

v0.0.4

This release brings improvements to RQAOA workflow and AWS authentication, and a bugfix to TSP problem class.

What's Changed

• Refactor
  • Authentication Refactor by @shahidee44 in #126
  • RQAOA workflow by @raulconchello in #109
• Fixes
  • Bugfix to Traveling Salesman QUBO Formulation by @Adirlou in #89
  • Use sparse.linalg.expm for exponentiation of sparse matrices (for sci… by @shaohenc in #121
• Docs
  • Fixing the docs by @Q-lds in #113
  • couple of cosmetic fixes to docs by @vishal-ph in #128

New Contributors

• @Adirlou made their first contribution in #89

Full Changelog: v0.0.3...v0.0.4

v0.0.3

A release to fix two QPU-related bugs

What's Changed

• Fixes
  • Now save_intermediate works for backends with no jobid #110
  • Fix a bug that prevented the correct usage of Rigetti's QPUs when on QCS #116
• Docs
  • Add community examples containing:
    • MVP bipartite graph examples #104
    • Docplex and general application tutorials #90

New Contributors

• @MaldoAlberto made their first contribution in #90
• @krankgeflugel made their first contribution in #104
  Full Changelog: v0.0.2...v0.0.3

v0.0.2

What's Changed

• Dev
  • OpenQAOA integrates with Amazon Braket!
  • New plotting functions to visualise the most probable bit strings
  • Introduced a lowest_cost_bitstrings function
  • Now it is possible to write a problem statement in DOcplex and have it automatically converted into an OpenQAOA QUBO
  • Unbalanced penalisation strategy for slack variables
• Code
  • New FAQ in the documentation
  • Distinct GitHub actions for dev and main branch testing
  • GitHub actions for publishing
  • GitHub actions for code quality and security
• Fixes
  • qiskit Backend seed simulator fix
  • CVaR bug fix
  • Fix knapsack generation bug
  • Gatemap bug fix

OpenQAOA reference paper uploaded to the arxiv

New Contributors

• @alejomonbar made their first contribution in #72
• @raulconchello made their first contribution in #86
• @EmilianoG-byte made their first contribution in #82

Full Changelog: v0.0.1...v0.0.2

v0.0.1

Initial public release of OpenQAOA

What's Changed

• Pytest markers for intensive test
• Fixed typos in readme and documentation

New Contributors

• @KilianPoirier made their first contribution in #49

v0.0.1-beta

OpenQAOA's first public release! Let the open beta begin!