Releases · optuna/optuna · GitHub
August 18, 2025ai_discoveryinfo
This is the release note of v4.5.0. Highlights GPSampler for constrained multi-objective optimization GPSampler is now able to handle multiple objective and constraints simultaneously using the newly introduced constrained LogEHVI acquisition function. The figures below show the difference between GPSampler (LogEHVI, unconstrained) vs GPSampler (constrained LogEHVI, new feature). The 3-dimensional version of the C2DTLZ2 benchmark problem we used is a problem where some areas of the Pareto front
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