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CUDA: binary classification probability saturation (prob→1.0) — non-deterministic bug in col-wise histogram kernel

gpu (CUDA)Issue is related to the CUDA GPU variant.Issue is related to the CUDA GPU variant.

Status: Open.

#7231 In lightgbm-org/LightGBM;

· adorkin87 opened on Apr 17, 2026

Unclear error message when feature names only differ by whitespace ('_' vs ' ')

maintenance

Status: Open.

#7230 In lightgbm-org/LightGBM;

· Innixma opened on Apr 15, 2026

Performance regression in predict() / predict_proba() using 4.6.0

Status: Open.

#7229 In lightgbm-org/LightGBM;

· ReasunR opened on Apr 14, 2026

Host nightly packages in easier-to-install places

feature request

Status: Open.

#7227 In lightgbm-org/LightGBM;

· jameslamb opened on Apr 13, 2026

[ci] [R-package] builds with Intel compiler failing

blocking

maintenance

r-package

Status: Open.

#7221 In lightgbm-org/LightGBM;

· jameslamb opened on Apr 8, 2026

[C++] LGBM_BoosterPredictForMatSingleRow ignores start_iteration due to incomplete predictor cache key

bug

Status: Open.

#7220 In lightgbm-org/LightGBM;

· sabarinathh opened on Apr 7, 2026

[c++] Compilation on Linux fails with newer Clang

awaiting response

question

Status: Open.

#7204 In lightgbm-org/LightGBM;

· evilmucedin opened on Mar 17, 2026

Incorrect delta for huber objective

bug

Status: Open.

#7194 In lightgbm-org/LightGBM;

· thebigspin opened on Mar 11, 2026

boost_from_average does nothing for custom objectives, and BoostFromScore cannot be set through model params for custom objective

question

Status: Open.

#7193 In lightgbm-org/LightGBM;

· thebigspin opened on Mar 10, 2026

Moving to 'lightgbm-org/LightGBM'

breaking

doc

Status: Open.

#7187 In lightgbm-org/LightGBM;

· jameslamb opened on Mar 8, 2026

[python-package] model_to_string() returns empty string intermittently when early_stopping callback is used

bug

Status: Open.

#7186 In lightgbm-org/LightGBM;

· nbx-liz opened on Mar 7, 2026

✨ Set up Copilot instructions

Status: Open.

#7172 In lightgbm-org/LightGBM;

· shiyu1994 opened on Feb 27, 2026