Issues

• [samplers/catcmawm] log=True and float step are ignored: log-scale params collapse to the lower bound, stepped floats fall back to the independent sampler

  optuna/optunahub-registry#423 · Filter by author jbogocz opened on Oct 5, 2026
  2

• Add a sampler for optimization over a fixed candidate set

  optuna/optunahub-registry#408 · Filter by author deeb01 opened on Aug 22, 2026
  2

• [samplers/meta_learn_tpe] Add kwargs for group, constant_liar?

  optuna/optunahub-registry#390 · Filter by author seijieng opened on Jun 24, 2026
  1

• [samplers/auto_sampler] Question about dynamic switching of samplers

  contribution-welcomenew-package
  optuna/optunahub-registry#257 · Filter by author ayaanhossain opened on Apr 2, 2025
  2

• Want a single-objective version of RGPE and TSTR

  contribution-welcomenew-package
  optuna/optunahub-registry#166 · Filter by author nabenabe0928 opened on Oct 18, 2024
  3

• Add simple GA-based sampler

  contribution-welcomenew-package
  optuna/optunahub-registry#121 · Filter by author toshihikoyanase opened on Jul 31, 2024
  3

• Add multi-armed bandit-based sampler

  contribution-welcomenew-package
  optuna/optunahub-registry#113 · Filter by author nabenabe0928 opened on Jul 30, 2024
  1

• Add a visualization package for CMA-ES

  contribution-welcomenew-package
  optuna/optunahub-registry#112 · Filter by author c-bata opened on Jul 30, 2024
  1

• Support "Bounding Box-based Multi-objective Bayesian Optimization of Risk Measures under Input Uncertainty"

  contribution-welcomenew-package
  optuna/optunahub-registry#76 · Filter by author HideakiImamura opened on Jun 21, 2024
  2