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, 4641d7c).
  • Examples and docs are updated.
• Refactor History object (0bce580).
  • 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 (ecd5928).
• Change objective value of failed trials from MAXINT to np.inf (da88bd2).
• 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).