GitLab

* Update README.md

* Update README.md
Co-authored-by: James Lamb <jaylamb20@gmail.com>

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Co-authored-by: James Lamb <jaylamb20@gmail.com>

Update badge for Link checks workflow

[python-package] Correctly recognize LGBMClassifier(num_class=2, objective="multiclass") as multiclass classification (#6524)

* Update README.rst

* Update README.rst

* [docs] update and simplify installation docs

* Apply suggestions from code review
Co-authored-by: Nikita Titov <nekit94-08@mail.ru>

* remove more references to CMake and GLIBC versions

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Co-authored-by: Nikita Titov <nekit94-08@mail.ru>

[ci] [R-package] add CI jobs covering more CRAN "additional checks", fix R_NO_REMAP warnings (fixes #6369) (#6523)

* [ci] [R-package] add CI jobs testing newer compilers

* set up vignette-processing dependencies

* remove tinytex

* set up pandoc

* allow NOTEs, one more R_NO_REMAP guard

* restore other CI

* one more R_NO_REMAP guard

* fail builds producing more than 1 NOTE

* update approach for running R CMD check

* fix filepath

* fix paths

* fix variable name

* echo lines

* fix piping

* fix file extension

* clean up

* make R CMD check stricter

[python-package] respect 'verbose' setting when using custom objective function (fixes #6014) (#6428)

Co-authored-by: Nikita Titov <nekit94-08@mail.ru>

fix documentation for quantized training

[python-package] Add `feature_names_in_` attribute for scikit-learn estimators (fixes #6279) (#6310)