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Pull requests: dmlc/xgboost
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Use bounded-step curvature for Tweedie objectives
#12538
opened Sep 4, 2026 by
RAMitchell
Member
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[obj] Use the absolute-residual pseudo-Hessian |p - y| for multiclass softmax
#12537
opened Sep 4, 2026 by
RAMitchell
Member
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Draft
Guard append_m_sparse against empty partitions
#12532
opened Sep 3, 2026 by
Nityahapani
Contributor
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Fix broken dtype set-membership check in pandas_transform_data
#12511
opened Aug 29, 2026 by
Nityahapani
Contributor
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Validate Booster.feature_names the same way DMatrix does
#12508
opened Aug 28, 2026 by
Nityahapani
Contributor
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[jvm-packages] Add opt-in sparse DMatrix construction for Spark vectors
#12503
opened Aug 27, 2026 by
xiaoh1024
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[doc] Update staled document about multi output.
#12463
opened Aug 14, 2026 by
trivialfis
Member
•
Draft
Add imbalanced classification demo (scale_pos_weight)
#12460
opened Aug 14, 2026 by
Nityahapani
Contributor
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Initialize learner model state from training data
#12455
opened Aug 13, 2026 by
RAMitchell
Member
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Draft
Use the target's real cache line size in the hist builder
#12453
opened Aug 13, 2026 by
bryceweiner
Contributor
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Detect CPU cache sizes on Apple Silicon
#12452
opened Aug 13, 2026 by
bryceweiner
Contributor
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[CI] Run the macOS Python tests on Apple Silicon as well
#12451
opened Aug 13, 2026 by
bryceweiner
Contributor
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Fix tweedie-nloglik returning -inf at tweedie_variance_power=1
#12449
opened Aug 13, 2026 by
erikhhald
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Add Python and R tabs to the AFT survival tutorial
#12393
opened Jul 31, 2026 by
natsu0529
Contributor
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Replace the name
num_output_group with the number of targets.
#12353
opened Jul 23, 2026 by
trivialfis
Member
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Hoist from_array_interface wrapper class to module scope to avoid per-call reference cycles
#12344
opened Jul 22, 2026 by
amitaypgy
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docs: add recent XGBoost competition winning solutions
#12323
opened Jul 18, 2026 by
aiedwardyi
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Fix integer overflow in dump for split thresholds beyond int32 range
#12289
opened Jul 6, 2026 by
momomuchu
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[Doc] Add Kaggle Playground Series S6E5 winning solution
#12267
opened Jun 25, 2026 by
Ppp2048
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