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[RFC] New public API(s) exposing build info?

awaiting review

feature request

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

gpu (OpenCL)Issue is related to the OpenCL-based GPU variant.Issue is related to the OpenCL-based GPU variant.

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

question

Status: Open.

#7273 In lightgbm-org/LightGBM;

· jameslamb opened on May 14, 2026

[cuda] Current CMakeLists.txt is not compatible with CUDA 13.x

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

maintenance

Status: Open.

#7270 In lightgbm-org/LightGBM;

· vm-quant opened on May 12, 2026

[ci] [python-package] scikit-learn tests fail on pyarrow.ChunkedArray inputs

blockingCI will be unsuccessful until this is resolved.CI will be unsuccessful until this is resolved.

maintenance

Status: Open.

#7269 In lightgbm-org/LightGBM;

· jameslamb opened on May 12, 2026

[ci] [docs] docs builds broken: "In pkgdown/_pkgdown.yml, 1 topic missing from index: "lgb.interprete"

r-package

Status: Open.

#7267 In lightgbm-org/LightGBM;

· jameslamb opened on May 11, 2026

Enable CI Support for ppc64le (IBM Power) Architecture

feature

Status: Open.

#7262 In lightgbm-org/LightGBM;

· sandeepgupta12 opened on May 7, 2026

[ci] conda installs produces thousands of empty lines in logs

maintenance

Status: Open.

#7259 In lightgbm-org/LightGBM;

· jameslamb opened on May 4, 2026

[python-package] LGBMClassifier.fit(X=Dataset) - accept a pre-built Dataset to enable efficient weight/label change

feature request

Status: Open.

#7241 In lightgbm-org/LightGBM;

· fingoldo opened on Apr 22, 2026

Feature Request: LightGBM Integration with Spark Connect ML - Architecture Proposal

awaiting response

feature request

Status: Open.

#7237 In lightgbm-org/LightGBM;

· shadowinlife opened on Apr 21, 2026

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

[python-package] Performance regression in predict() / predict_proba() using 4.6.0

question

Status: Open.

#7229 In lightgbm-org/LightGBM;

· ReasunR opened on Apr 14, 2026

[python-package] Host nightly packages in easier-to-install places

feature request

Status: Open.

#7227 In lightgbm-org/LightGBM;

· jameslamb opened on Apr 13, 2026