LightGBM · Issues· 519 open
Open on GitHubLocally synced open issues (discussions stay on GitHub)
- #2302
Feature Requests & Voting Hub
help wantedfeature requestUpdated Sep 17, 2026 - #7441
GPU build fails to compile: boost/compute/detail/sha1.hpp incompatible with modern Boost (unsigned int[5] vs unsigned char[20] digest signature)
Updated Sep 16, 2026 - #7438
Out-of-bounds read via unvalidated out-of-range left_child/right_child node indices during ordinary tree traversal
Updated Sep 14, 2026 - #7437
Out-of-bounds read via unchecked categorical-split threshold indexing cat_boundaries_
Updated Sep 14, 2026 - #7432
JSONDecodeError on model load when trained with ignore_column
Updated Sep 10, 2026 - #7231
CUDA: binary classification probability saturation (prob→1.0) — non-deterministic bug in col-wise histogram kernel
gpu (CUDA)Updated Sep 9, 2026 - #7428
[RFC] Leaf/Depth Based Feature Masks
questionfeature requestUpdated Sep 8, 2026 - #7355
[RFC] stop using conda for Python CI jobs
awaiting reviewmaintenanceUpdated Sep 8, 2026 - #7327
[python-package] Speed up 'import lightgbm' (Summer 2026 edition)
efficiencymaintenanceUpdated Sep 7, 2026 - #6983
Built-in R2 (R-squared) metric
feature requestUpdated Sep 1, 2026 - #7417
[CUDA] Training crashes when a categorical feature has more than 256 categories (illegal memory access / invalid argument)
Updated Sep 1, 2026 - #4539
[ci] warnings from cppcheck
help wantedmaintenanceUpdated Aug 31, 2026 - #7412
[RFC] macOS Intel (x86_64) support
questionmaintenanceUpdated Aug 29, 2026 - #3481
[R-package] confusing error when using lgb.train() with an unknown metric
questionr-packagegood first issueUpdated Aug 26, 2026 - #7122
[CUDA] SIGFPE (Floating point exception) with discrete data when n_unique_values * n_features exceeds threshold
buggpu (CUDA)Updated Aug 23, 2026