GitLab

* [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

[R-package] skip integer categorical feature check when building dataset subset (fixes #6412) (#6442)

* [python-package] Allow to pass early stopping min delta in params

* Fix test

* Add separate test

* Fix

* Add to cpp config

* Adjust test

* Adjust test

* Debug

* Revert

* Apply suggestions from code review

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

* support quantized training with categorical features on cpu

* remove white spaces

* add tests for quantized training with categorical features

* skip tests for cuda version

* fix cases when only 1 data block in row-wise quantized histogram construction with 8 inner bits

* remove useless capture

* fix compilation warnings

revert useless changes

* revert useless change

* separate functions in feature histogram into cpp file

* add feature_histogram.o in Makevars

[R-package] [c++] add tighter multithreading control, avoid global OpenMP side effects (fixes #4705, fixes #5102) (#6226)