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Remove <code>enable_categorical</code> parameter by making it True as default.

Status: Open.

#12014 In dmlc/xgboost;

· trivialfis opened on Feb 14, 2026

Customizable worker port for the collective implementation.

Status: Open.

#12008 In dmlc/xgboost;

· trivialfis opened on Feb 10, 2026

Pyspark maintenance issues

Status: Open.

#12001 In dmlc/xgboost;

· RAMitchell opened on Feb 9, 2026

Resuming training from checkpoint occasionally causes drop in accuracy

Status: Open.

#11982 In dmlc/xgboost;

· jamesram415 opened on Feb 2, 2026

Add Window testing of latest CCCL

Status: Open.

#11969 In dmlc/xgboost;

· jakirkham opened on Jan 28, 2026

[RFC] Add interpretability API as xgboost.interpret module functions

status: RFC

Status: Open.

#11947 In dmlc/xgboost;

· RAMitchell opened on Jan 22, 2026

train on CUDA and load on CPU but got an EXC_BAD_ACCESS crash

Status: Open.

#11944 In dmlc/xgboost;

· warscape opened on Jan 21, 2026

Find similar observations using leaf node matching

Status: Open.

#11919 In dmlc/xgboost;

· mfdel opened on Jan 11, 2026

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

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