Pull requests: optuna/optuna
Pull requests list
Make Change that does not break compatibility and not affect public interfaces, but improves performance.
TPESampler the default sampler for multi-objective optimization
enhancement
#6766
opened Jul 23, 2026 by
not522
Member
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Add importance evaluator test cases to optuna.testing
test
Unit test.
#6765
opened Jul 22, 2026 by
y0z
Member
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Extend parallel coordinate plots to conditional, multi-objective, and constrained studies
feature
Change that does not break compatibility, but affects the public interfaces.
#6763
opened Jul 21, 2026 by
y0z
Member
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Use UTC consistently for trial datetimes in storages
#6755
opened Jul 17, 2026 by
gen740
Member
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Add Change that does not break compatibility, but affects the public interfaces.
set_constraint method to Trial
feature
#6754
opened Jul 17, 2026 by
not522
Member
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Avoid to persist CMA-ES optimizer in the Change that breaks compatibility.
trial.system_attrs
compatibility
fix: remove deprecated positional-arg compatibility from study and trial APIs
compatibility
Change that breaks compatibility.
#6747
opened Jul 8, 2026 by
yen-0
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Separate Scott Parzen from TPE Parzen (followup of PED-ANOVA refactoring)
#6743
opened Jul 5, 2026 by
nabenabe0928
Contributor
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ProTip!
Updated in the last three days: updated:>2026-07-20.