Repository Issue Activity (beta)

#7259 [ci] conda installs produces thousands of empty lines in logs

#6792 [python-package] `Booster.refit()` segfaults when label only contains 1 class

#5579 Consider switching from fast_double_parser to fast_float

#6841 Training crashes when `"monotone_constraints_method"` is set to `"advanced"`

#7365 [ci] [R-package] R linting failing with errors about '<<-' uses

#7194 Incorrect delta for huber objective

#7352 [R-package] CRAN requires a new release by July 30

#7031 [python-package] expand test coverage

#7189 Org change: work tracking

#7295 [ci] [dask] Dask tests on macOS are very expensive

#6748 [python-package] factor out positional indexing for eval result tuples

#7363 [ci] SWIG Windows jobs failing: "End of Central Directory record could not be found"

#7367 [ci] [R-package] add a CI job ensuring tests pass when suggested dependencies are unavailable

#7357 [c++] Out-of-bounds write (and read) when loading and predicting with an untrusted text model

#7362 [python-package] Crash on import with PYTHONOPTIMIZE=2

#6966 [ci] [CUDA] all CUDA CI failing: "no device found"

#6938 Using Python trained LightGBM model to predict on Spark DataFrame (in Databricks)

#6947 [ci] Azure DevOps and GitHub Actions dropping windows-2019 support

#6860 [python-package] [R-package] every test catching an error should check for a specific error message

#7354 [ci] Python tests failing (Windows + MSVC only): "DLL load failed while importing pyexpat"

#2302 Feature Requests & Voting Hub

#7361 feature: generalize built-in categorical encoding (not specific to "pandas")

#7034 [RFC] rename 'master' branch to 'main'?

#7327 [python-package] Speed up 'import lightgbm' (Summer 2026 edition)

#7355 [RFC] stop using conda for Python CI jobs