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predict.xgboost silently ignores predcontrib = T

Status: Open.

#12211 In dmlc/xgboost;

· Kodiologist opened on May 13, 2026

XGBoost silent process kill with sparse polars Categorical codes

Status: Open.

#12177 In dmlc/xgboost;

· fingoldo opened on Apr 21, 2026

[CI] Slim down test suites in linux-amd64-cpu and linux-amd64-mgpu

Status: Open.

#12154 In dmlc/xgboost;

· hcho3 opened on Apr 10, 2026

[CI] Require manual approval to run certain CI workflows

Status: Open.

#12153 In dmlc/xgboost;

· hcho3 opened on Apr 10, 2026

[CI] Analysis of recent increase in CI costs

Status: Open.

#12152 In dmlc/xgboost;

· hcho3 opened on Apr 10, 2026

RFC: Revisit Default Hyperparameters for Tree Learning in XGBoost

Status: Open.

#12131 In dmlc/xgboost;

· RAMitchell opened on Mar 26, 2026

RFC: Honest categorical splitting for partition-based categorical features

Status: Open.

#12130 In dmlc/xgboost;

· RAMitchell opened on Mar 26, 2026

[epic] Use custom CUDA stream for the entire codebase.

Status: Open.

#12122 In dmlc/xgboost;

· trivialfis opened on Mar 23, 2026

GPU memory usage when only using CPU.

Status: Open.

#12116 In dmlc/xgboost;

· oOTWK opened on Mar 22, 2026

[doc] Enhance documentation for distributed training.

Status: Open.

#12045 In dmlc/xgboost;

· trivialfis opened on Feb 26, 2026

Pyspark maintenance issues

Status: Open.

#12001 In dmlc/xgboost;

· RAMitchell opened on Feb 9, 2026

Add Window testing of latest CCCL

Status: Open.

#11969 In dmlc/xgboost;

· jakirkham opened on Jan 28, 2026