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xgboost4j-spark-gpu fails to run on multi-GPU server with GPUs in exclusive process mode and spark-rapids plugin

Status: Open.

#11884 In dmlc/xgboost;

· eordentlich opened on Dec 18, 2025

Variables not in any trees have positive gain/cover/weight

status: need update

Status: Open.

#11879 In dmlc/xgboost;

· jhaneyrf opened on Dec 16, 2025

Confusing error when multiple dataframe columns have the same name

status: need update

Status: Open.

#11876 In dmlc/xgboost;

· Yura52 opened on Dec 15, 2025

CUDA OOM when training XGBoost with DaskQuantileDMatrix on high-dimensional dataset

feature-request

Status: Open.

#11874 In dmlc/xgboost;

· SkqLiao opened on Dec 14, 2025

Behaviour of <code>base_margin</code> during prediction

Status: Open.

#11872 In dmlc/xgboost;

· bblodfon opened on Dec 12, 2025

[CI] Simplify CI scripts

Status: Open.

#11870 In dmlc/xgboost;

· hcho3 opened on Dec 12, 2025

Flaky tests.

Status: Open.

#11867 In dmlc/xgboost;

· trivialfis opened on Dec 12, 2025

3.1.3 release tracker

Status: Open.

#11860 In dmlc/xgboost;

· trivialfis opened on Dec 11, 2025

Training a model with zero iterations

type: bug

Status: Open.

#11854 In dmlc/xgboost;

· be-marc opened on Dec 10, 2025

Storing xgboost models in data.tables fails

Status: Open.

#11849 In dmlc/xgboost;

· be-marc opened on Dec 8, 2025

Suggestion for new hyperparameter: Regularize tree depth

Status: Open.

#11845 In dmlc/xgboost;

· mgross opened on Dec 4, 2025

Logic bug in WQSummary::FixError: Error metrics (err_mingap, etc.) are calculated after assignment, resulting in zero

Status: Open.

#11821 In dmlc/xgboost;

· Mibu287 opened on Nov 19, 2025