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Pull requests: optuna/optuna
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Remove Change that breaks compatibility.
set_system_attr and system_attrs from Study and Trial
compatibility
docs: combine visualization backend examples
#6833
opened Aug 28, 2026 by
gen740
Member
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1 task done
Fix gRPC trial datetime serialization
#6832
opened Aug 28, 2026 by
gen740
Member
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1 task done
Fix FrozenTrial.__hash__ raising TypeError for every trial
#6831
opened Aug 28, 2026 by
jaideeppyne
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1 task done
Remove the kaleido dependency for unit tests
test
Unit test.
#6830
opened Aug 27, 2026 by
c-bata
Member
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1 task
Fix
get_all_study_summaries to select best_trial from feasible tr…
#6826
opened Aug 25, 2026 by
PrabinDevkota
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Make categorical NaN hashes consistent
#6824
opened Aug 23, 2026 by
nightcityblade
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1 task done
Simplify Study.enqueue_trial skip_if_exists tests
#6822
opened Aug 21, 2026 by
gen740
Member
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Use incremental indexing for GA generation tracking
enhancement
Change that does not break compatibility and not affect public interfaces, but improves performance.
#6819
opened Aug 19, 2026 by
yen-0
Contributor
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Avoid zero-sum normalization in GP initial-point selection
stale
Exempt from stale bot labeling.
#6817
opened Aug 19, 2026 by
tandede
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Add Change that does not break compatibility, but affects the public interfaces.
qConstrainedLogEHVI in GPSampler
feature
#6804
opened Aug 13, 2026 by
sawa3030
Contributor
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Add Issue/PR about behavior that is broken. Not for typos/examples/CI/test but for Optuna itself.
stale
Exempt from stale bot labeling.
QMCSampler to TestRelativeSampler coverage and clamp log-float untransform at low bound
bug
#6799
opened Aug 12, 2026 by
yen-0
Contributor
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