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v0.8.4 - Sep 9, 2024

Major Changes

  • support early stop for all advisors (#98)
  • compatible with python3.11 (#95)

v0.8.3 - Apr 27, 2024

Major Changes

  • rewrite safeopt. (#90)

Bug Fixes

  • Fix bug in RandomAdvisor.

v0.8.2 - Mar 5, 2024

Major Changes

  • Update pytest (#81).
  • Update early stopping algorithm.
  • Enhance documentation.
  • Drop support for Python 3.7 (end of life on 2023-06-27).

Bug Fixes

  • Fix bug in distributed optimizer on Windows (#61).
  • Fix bug in async parallel optimizer.
  • Fix several bugs.

API Changes

  • Update API for AcquisitionFunctionMaximizer (#75).

v0.8.1 - Mar 8, 2023

Bug Fixes

  • Fix several bugs in transfer learning.
  • Fix several bugs & improve usability of HTMLVisualizer (#58).
  • Update time limit function to support multi-platform and multi-version of python. Update API. (#59)

API Changes

  • Optimizer: runtime_limit -> max_runtime. time_limit_per_trial -> max_runtime_per_trial (#59).

Minor Changes

  • Update html theme for docs.

v0.8.0 - Dec 18, 2022

Highlights

  • Add HTML visualization for the optimization process (#48).
    • Provide basic charts for objectives and constraints.
    • Provide advanced functions, including surrogate fitting analysis and hyperparameter importance analysis.
  • Update transfer learning (#54).
    • API change: for transfer learning data, user should provide a List[History] as transfer_learning_history, instead of a OrderedDict[config, perf] as history_bo_data (#54, 4641d7cf).
    • Examples and docs are updated.
  • Refactor History object (0bce5800).
    • Rename HistoryContainer to History.
    • Simplify data structure and provide convenient APIs.
    • Rewrite all methods, including data obtaining, plotting, saving/loading, etc.

Backwards Incompatible Changes

  • API change: objs are renamed to objectives. num_objs are renamed to num_objectives (ecd5928a).
  • Change objective value of failed trials from MAXINT to np.inf (da88bd24).
  • Drop support for Python 3.6 (end of life on Dec 23, 2021).

Other Changes

  • Add BlendSearch, LineBO and SafeOpt (experimental) (#40).
  • Add color logger. Provide fine-grained control of logging options (e.g., log level).
  • Rewrite python packaging of the project (#55).
  • Update Markdown parser in docs to myst-parser. recommonmark is deprecated.
  • Add pytest for examples.
  • Use GitHub Actions for CI/CD.

Bug Fixes

  • Fix error return type of generic advisor and update sampler (Thanks @yezoli) (#44).
  • Consider constraints in plot_convergence (#47).

v0.7.18 - Nov 14, 2022

  • Add ConditionedSpace to support complex conditions between hyperparameters (#37).
  • Numerous bug fixes.

v0.0.1 - May 2, 2019

Project started.