diff --git a/.appveyor.yml b/.appveyor.yml
index 7d1c970cdae0..e51feb918675 100644
--- a/.appveyor.yml
+++ b/.appveyor.yml
@@ -1,4 +1,4 @@
-version: 3.3.2.99.{build}
+version: 3.3.3.{build}
 
 image: Visual Studio 2015
 platform: x64
diff --git a/.ci/test_r_package_windows.ps1 b/.ci/test_r_package_windows.ps1
index c8f63b9c8b06..891c7cbd36e1 100644
--- a/.ci/test_r_package_windows.ps1
+++ b/.ci/test_r_package_windows.ps1
@@ -54,11 +54,13 @@ Remove-From-Path ".*PostgreSQL.*"
 Remove-From-Path ".*\\R\\.*"
 Remove-From-Path ".*R Client.*"
 Remove-From-Path ".*rtools40.*"
+Remove-From-Path ".*rtools42.*"
 Remove-From-Path ".*shells.*"
 Remove-From-Path ".*Strawberry.*"
 Remove-From-Path ".*tools.*"
 
 Remove-Item C:\rtools40 -Force -Recurse -ErrorAction Ignore
+Remove-Item C:\rtools42 -Force -Recurse -ErrorAction Ignore
 
 # Get details needed for installing R components
 #
@@ -74,11 +76,11 @@ if ($env:R_MAJOR_VERSION -eq "3") {
   $env:RTOOLS_EXE_FILE = "rtools35-x86_64.exe"
   $env:R_WINDOWS_VERSION = "3.6.3"
 } elseif ($env:R_MAJOR_VERSION -eq "4") {
-  $RTOOLS_INSTALL_PATH = "C:\rtools40"
+  $RTOOLS_INSTALL_PATH = "C:\rtools42"
   $env:RTOOLS_BIN = "$RTOOLS_INSTALL_PATH\usr\bin"
-  $env:RTOOLS_MINGW_BIN = "$RTOOLS_INSTALL_PATH\mingw64\bin"
-  $env:RTOOLS_EXE_FILE = "rtools40v2-x86_64.exe"
-  $env:R_WINDOWS_VERSION = "4.1.3"
+  $env:RTOOLS_MINGW_BIN = "$RTOOLS_INSTALL_PATH\x86_64-w64-mingw32.static.posix\bin"
+  $env:RTOOLS_EXE_FILE = "rtools42-5253-5107.exe"
+  $env:R_WINDOWS_VERSION = "4.2.1"
 } else {
   Write-Output "[ERROR] Unrecognized R version: $env:R_VERSION"
   Check-Output $false
@@ -147,7 +149,7 @@ Write-Output "Building R package"
 # R CMD check is not used for MSVC builds
 if ($env:COMPILER -ne "MSVC") {
 
-  $PKG_FILE_NAME = "lightgbm_*.tar.gz"
+  $PKG_FILE_NAME = "lightgbm_$env:LGB_VER.tar.gz"
   $LOG_FILE_NAME = "lightgbm.Rcheck/00check.log"
 
   if ($env:R_BUILD_TYPE -eq "cmake") {
diff --git a/.github/workflows/cuda.yml b/.github/workflows/cuda.yml
index a8d69ddcaa33..b8ae029079db 100644
--- a/.github/workflows/cuda.yml
+++ b/.github/workflows/cuda.yml
@@ -37,17 +37,17 @@ jobs:
             compiler: gcc
             python_version: "3.10"
             cuda_version: "9.0"
-            task: cuda
-          - method: source
-            compiler: gcc
-            python_version: "3.8"
-            cuda_version: "11.7.1"
-            task: cuda_exp
-          - method: pip
-            compiler: clang
-            python_version: "3.9"
-            cuda_version: "10.0"
-            task: cuda_exp
+          #   task: cuda
+          # - method: source
+          #   compiler: gcc
+          #   python_version: "3.8"
+          #   cuda_version: "11.7.1"
+          #   task: cuda_exp
+          # - method: pip
+          #   compiler: clang
+          #   python_version: "3.9"
+          #   cuda_version: "10.0"
+          #   task: cuda_exp
     steps:
       - name: Setup or update software on host machine
         run: |
diff --git a/.github/workflows/r_package.yml b/.github/workflows/r_package.yml
index 346a26315797..c6afad807ae2 100644
--- a/.github/workflows/r_package.yml
+++ b/.github/workflows/r_package.yml
@@ -83,7 +83,7 @@ jobs:
             task: r-package
             compiler: MINGW
             toolchain: MSYS
-            r_version: 4.1
+            r_version: 4.2
             build_type: cmake
           # Visual Studio 2019
           - os: windows-2019
@@ -97,7 +97,7 @@ jobs:
             task: r-package
             compiler: MSVC
             toolchain: MSVC
-            r_version: 4.1
+            r_version: 4.2
             build_type: cmake
           ###############
           # CRAN builds #
@@ -112,7 +112,7 @@ jobs:
             task: r-package
             compiler: MINGW
             toolchain: MSYS
-            r_version: 4.1
+            r_version: 4.2
             build_type: cran
           - os: ubuntu-latest
             task: r-package
@@ -166,6 +166,7 @@ jobs:
         shell: pwsh -command ". {0}"
         run: |
           $env:BUILD_SOURCESDIRECTORY = $env:GITHUB_WORKSPACE
+          $env:LGB_VER = (Get-Content -TotalCount 1 $env:BUILD_SOURCESDIRECTORY\VERSION.txt).trim().replace('rc', '-')
           $env:TOOLCHAIN = "${{ matrix.toolchain }}"
           $env:R_VERSION = "${{ matrix.r_version }}"
           $env:R_BUILD_TYPE = "${{ matrix.build_type }}"
diff --git a/.readthedocs.yaml b/.readthedocs.yaml
index 4f85742c7f74..7d63476a0f79 100644
--- a/.readthedocs.yaml
+++ b/.readthedocs.yaml
@@ -1,10 +1,12 @@
 version: 2
+build:
+  os: "ubuntu-20.04"
+  tools:
+    python: "miniconda3-4.7"
+conda:
+  environment: docs/env.yml
 formats:
   - pdf
-python:
-  version: 3
-  install:
-    - requirements: docs/requirements.txt
 sphinx:
   builder: html
   configuration: docs/conf.py
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 109a252dfa6f..e313f58dd347 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -299,6 +299,18 @@ if(WIN32 AND MINGW)
     SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -static-libstdc++")
 endif()
 
+# Check if inet_pton is already available, to avoid conflicts with the implementation in LightGBM.
+# As of 2022, MinGW started including a definition of inet_pton.
+if(WIN32)
+  include(CheckSymbolExists)
+  list(APPEND CMAKE_REQUIRED_LIBRARIES "ws2_32")
+  check_symbol_exists(inet_pton "ws2tcpip.h" WIN_INET_PTON_FOUND)
+  if(WIN_INET_PTON_FOUND)
+    add_definitions(-DWIN_HAS_INET_PTON)
+  endif()
+  list(REMOVE_ITEM CMAKE_REQUIRED_LIBRARIES "ws2_32")
+endif()
+
 if(MSVC)
     SET(variables
         CMAKE_C_FLAGS_DEBUG
diff --git a/R-package/README.md b/R-package/README.md
index 918db731c48a..555d21c20c2f 100644
--- a/R-package/README.md
+++ b/R-package/README.md
@@ -94,6 +94,9 @@ After installing `Rtools` and `CMake`, be sure the following paths are added to
     - If you have `Rtools` 4.0, example:
         - `C:\rtools40\mingw64\bin`
         - `C:\rtools40\usr\bin`
+    - If you have `Rtools` 4.2, example:
+        - `C:\rtools42\x86_64-w64-mingw32.static.posix\bin`
+        - `C:\rtools42\usr\bin`
 * `CMake`
     - example: `C:\Program Files\CMake\bin`
 * `R`
@@ -101,6 +104,8 @@ After installing `Rtools` and `CMake`, be sure the following paths are added to
 
 NOTE: Two `Rtools` paths are required from `Rtools` 4.0 onwards because paths and the list of included software was changed in `Rtools` 4.0.
 
+NOTE: `Rtools42` takes a very different approach to the compiler toolchain than previous releases, and how you install it changes what is required to build packages. See ["Howto: Building R 4.2 and packages on Windows"](https://cran.r-project.org/bin/windows/base/howto-R-4.2.html).
+
 #### Windows Toolchain Options
 
 A "toolchain" refers to the collection of software used to build the library. The R package can be built with three different toolchains.
diff --git a/R-package/configure b/R-package/configure
index 79470dc515aa..f94bf5831774 100755
--- a/R-package/configure
+++ b/R-package/configure
@@ -1,6 +1,6 @@
 #! /bin/sh
 # Guess values for system-dependent variables and create Makefiles.
-# Generated by GNU Autoconf 2.69 for lightgbm 3.3.2.
+# Generated by GNU Autoconf 2.69 for lightgbm 3.3.3.
 #
 #
 # Copyright (C) 1992-1996, 1998-2012 Free Software Foundation, Inc.
@@ -576,8 +576,8 @@ MAKEFLAGS=
 # Identity of this package.
 PACKAGE_NAME='lightgbm'
 PACKAGE_TARNAME='lightgbm'
-PACKAGE_VERSION='3.3.2'
-PACKAGE_STRING='lightgbm 3.3.2'
+PACKAGE_VERSION='3.3.3'
+PACKAGE_STRING='lightgbm 3.3.3'
 PACKAGE_BUGREPORT=''
 PACKAGE_URL=''
 
@@ -1182,7 +1182,7 @@ if test "$ac_init_help" = "long"; then
   # Omit some internal or obsolete options to make the list less imposing.
   # This message is too long to be a string in the A/UX 3.1 sh.
   cat <<_ACEOF
-\`configure' configures lightgbm 3.3.2 to adapt to many kinds of systems.
+\`configure' configures lightgbm 3.3.3 to adapt to many kinds of systems.
 
 Usage: $0 [OPTION]... [VAR=VALUE]...
 
@@ -1244,7 +1244,7 @@ fi
 
 if test -n "$ac_init_help"; then
   case $ac_init_help in
-     short | recursive ) echo "Configuration of lightgbm 3.3.2:";;
+     short | recursive ) echo "Configuration of lightgbm 3.3.3:";;
    esac
   cat <<\_ACEOF
 
@@ -1311,7 +1311,7 @@ fi
 test -n "$ac_init_help" && exit $ac_status
 if $ac_init_version; then
   cat <<\_ACEOF
-lightgbm configure 3.3.2
+lightgbm configure 3.3.3
 generated by GNU Autoconf 2.69
 
 Copyright (C) 2012 Free Software Foundation, Inc.
@@ -1328,7 +1328,7 @@ cat >config.log <<_ACEOF
 This file contains any messages produced by compilers while
 running configure, to aid debugging if configure makes a mistake.
 
-It was created by lightgbm $as_me 3.3.2, which was
+It was created by lightgbm $as_me 3.3.3, which was
 generated by GNU Autoconf 2.69.  Invocation command line was
 
   $ $0 $@
@@ -2398,7 +2398,7 @@ cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
 # report actual input values of CONFIG_FILES etc. instead of their
 # values after options handling.
 ac_log="
-This file was extended by lightgbm $as_me 3.3.2, which was
+This file was extended by lightgbm $as_me 3.3.3, which was
 generated by GNU Autoconf 2.69.  Invocation command line was
 
   CONFIG_FILES    = $CONFIG_FILES
@@ -2451,7 +2451,7 @@ _ACEOF
 cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
 ac_cs_config="`$as_echo "$ac_configure_args" | sed 's/^ //; s/[\\""\`\$]/\\\\&/g'`"
 ac_cs_version="\\
-lightgbm config.status 3.3.2
+lightgbm config.status 3.3.3
 configured by $0, generated by GNU Autoconf 2.69,
   with options \\"\$ac_cs_config\\"
 
diff --git a/R-package/configure.win b/R-package/configure.win
index dfbaa3fc0377..40886ec7b5dd 100755
--- a/R-package/configure.win
+++ b/R-package/configure.win
@@ -66,6 +66,31 @@ then
     LGB_CPPFLAGS="${LGB_CPPFLAGS} -DMM_MALLOC=1"
 fi
 
+#############
+# INET_PTON #
+#############
+
+ac_inet_pton="no"
+
+cat > conftest.cpp <<EOL
+#include <ws2tcpip.h>
+int main() {
+  int (*fptr)(int, const char*, void*);
+  fptr = &inet_pton;
+  return 0;
+}
+EOL
+
+${CXX} ${CXXFLAGS} ${CPPFLAGS} -o conftest conftest.cpp 2>/dev/null && ./conftest && ac_inet_pton="yes"
+rm -f ./conftest
+rm -f ./conftest.cpp
+echo "checking whether INET_PTON works...${ac_inet_pton}"
+
+if test "${ac_inet_pton}" = "yes";
+then
+    LGB_CPPFLAGS="${LGB_CPPFLAGS} -DWIN_HAS_INET_PTON=1"
+fi
+
 # Generate Makevars.win from Makevars.win.in
 sed -e \
     "s/@LGB_CPPFLAGS@/$LGB_CPPFLAGS/" \
diff --git a/R-package/src/install.libs.R b/R-package/src/install.libs.R
index 9f839e2c1d73..bc6ed37a7f17 100644
--- a/R-package/src/install.libs.R
+++ b/R-package/src/install.libs.R
@@ -1,5 +1,6 @@
 # User options
 use_gpu <- FALSE
+make_args_from_build_script <- character(0L)
 
 # For Windows, the package will be built with Visual Studio
 # unless you set one of these to TRUE
@@ -22,6 +23,11 @@ if (!(R_int_UUID == "0310d4b8-ccb1-4bb8-ba94-d36a55f60262"
   warning("Warning: unmatched R_INTERNALS_UUID, may not run normally.")
 }
 
+# Get some paths
+source_dir <- file.path(R_PACKAGE_SOURCE, "src", fsep = "/")
+build_dir <- file.path(source_dir, "build", fsep = "/")
+inst_dir <- file.path(R_PACKAGE_SOURCE, "inst", fsep = "/")
+
 # system() will not raise an R exception if the process called
 # fails. Wrapping it here to get that behavior.
 #
@@ -31,7 +37,7 @@ if (!(R_int_UUID == "0310d4b8-ccb1-4bb8-ba94-d36a55f60262"
     on_windows <- .Platform$OS.type == "windows"
     has_processx <- suppressMessages({
       suppressWarnings({
-        require("processx")  # nolint
+        require("processx")  # nolint: undesirable_function
       })
     })
     if (has_processx && on_windows) {
@@ -64,7 +70,8 @@ if (!(R_int_UUID == "0310d4b8-ccb1-4bb8-ba94-d36a55f60262"
 # try to generate Visual Studio build files
 .generate_vs_makefiles <- function(cmake_args) {
   vs_versions <- c(
-    "Visual Studio 16 2019"
+    "Visual Studio 17 2022"
+    , "Visual Studio 16 2019"
     , "Visual Studio 15 2017"
     , "Visual Studio 14 2015"
   )
@@ -94,7 +101,7 @@ if (!(R_int_UUID == "0310d4b8-ccb1-4bb8-ba94-d36a55f60262"
 
 # Move in CMakeLists.txt
 write_succeeded <- file.copy(
-  "../inst/bin/CMakeLists.txt"
+  file.path(inst_dir, "bin", "CMakeLists.txt")
   , "CMakeLists.txt"
   , overwrite = TRUE
 )
@@ -102,10 +109,6 @@ if (!write_succeeded) {
   stop("Copying CMakeLists.txt failed")
 }
 
-# Get some paths
-source_dir <- file.path(R_PACKAGE_SOURCE, "src", fsep = "/")
-build_dir <- file.path(source_dir, "build", fsep = "/")
-
 # Prepare building package
 dir.create(
   build_dir
@@ -120,7 +123,7 @@ use_visual_studio <- !(use_mingw || use_msys2)
 # to create R.def from R.dll
 if (WINDOWS && use_visual_studio) {
   write_succeeded <- file.copy(
-    "../../inst/make-r-def.R"
+    file.path(inst_dir, "make-r-def.R")
     , file.path(build_dir, "make-r-def.R")
     , overwrite = TRUE
   )
@@ -132,7 +135,7 @@ if (WINDOWS && use_visual_studio) {
 # Prepare installation steps
 cmake_args <- NULL
 build_cmd <- "make"
-build_args <- "_lightgbm"
+build_args <- c("_lightgbm", make_args_from_build_script)
 lib_folder <- file.path(source_dir, fsep = "/")
 
 # add in command-line arguments
@@ -194,7 +197,7 @@ if (WINDOWS) {
     cmake_args <- c(cmake_args, "-G", shQuote(windows_makefile_generator))
     .run_shell_command("cmake", c(cmake_args, ".."), strict = FALSE)
     build_cmd <- windows_build_tool
-    build_args <- "_lightgbm"
+    build_args <- c("_lightgbm", make_args_from_build_script)
   } else {
     visual_studio_succeeded <- .generate_vs_makefiles(cmake_args)
     if (!isTRUE(visual_studio_succeeded)) {
@@ -203,7 +206,7 @@ if (WINDOWS) {
       cmake_args <- c(cmake_args, "-G", shQuote(windows_makefile_generator))
       .run_shell_command("cmake", c(cmake_args, ".."), strict = FALSE)
       build_cmd <- windows_build_tool
-      build_args <- "_lightgbm"
+      build_args <- c("_lightgbm", make_args_from_build_script)
     } else {
       build_cmd <- "cmake"
       build_args <- c("--build", ".", "--target", "_lightgbm", "--config", "Release")
diff --git a/R-package/tests/testthat/test_basic.R b/R-package/tests/testthat/test_basic.R
index 5aff8e2c2d2c..49260024f30f 100644
--- a/R-package/tests/testthat/test_basic.R
+++ b/R-package/tests/testthat/test_basic.R
@@ -1251,7 +1251,18 @@ test_that("lgb.train() supports non-ASCII feature names", {
     data = matrix(rnorm(400L), ncol =  4L)
     , label = rnorm(100L)
   )
-  feature_names <- c("F_零", "F_一", "F_二", "F_三")
+  # content below is equivalent to
+  #
+  #  feature_names <- c("F_零", "F_一", "F_二", "F_三")
+  #
+  # but using rawToChar() to avoid weird issues when {testthat}
+  # sources files and converts their encodings prior to evaluating the code
+  feature_names <- c(
+    rawToChar(as.raw(c(0x46, 0x5f, 0xe9, 0x9b, 0xb6)))
+    , rawToChar(as.raw(c(0x46, 0x5f, 0xe4, 0xb8, 0x80)))
+    , rawToChar(as.raw(c(0x46, 0x5f, 0xe4, 0xba, 0x8c)))
+    , rawToChar(as.raw(c(0x46, 0x5f, 0xe4, 0xb8, 0x89)))
+  )
   bst <- lgb.train(
     data = dtrain
     , nrounds = 5L
diff --git a/R-package/tests/testthat/test_dataset.R b/R-package/tests/testthat/test_dataset.R
index 4207e4f241ca..145a57d77dc6 100644
--- a/R-package/tests/testthat/test_dataset.R
+++ b/R-package/tests/testthat/test_dataset.R
@@ -247,6 +247,10 @@ test_that("lgb.Dataset: Dataset should be able to construct from matrix and retu
 })
 
 test_that("cpp errors should be raised as proper R errors", {
+  testthat::skip_if(
+    Sys.getenv("COMPILER", "") == "MSVC"
+    , message = "Skipping on Visual Studio"
+  )
   data(agaricus.train, package = "lightgbm")
   train <- agaricus.train
   dtrain <- lgb.Dataset(
diff --git a/VERSION.txt b/VERSION.txt
index 477254331794..619b53766848 100644
--- a/VERSION.txt
+++ b/VERSION.txt
@@ -1 +1 @@
-3.3.2
+3.3.3
diff --git a/build-cran-package.sh b/build-cran-package.sh
index 02342daf3895..f49b71555639 100755
--- a/build-cran-package.sh
+++ b/build-cran-package.sh
@@ -30,7 +30,7 @@
 set -e
 
 # Default values of arguments
-BUILD_VIGNETTES=true
+BUILD_VIGNETTES=false
 LGB_R_EXECUTABLE=R
 
 while [ $# -gt 0 ]; do
diff --git a/build_r.R b/build_r.R
index 64ca29989db9..6d197cb091ee 100644
--- a/build_r.R
+++ b/build_r.R
@@ -39,7 +39,7 @@ TEMP_SOURCE_DIR <- file.path(TEMP_R_DIR, "src")
 }
 parsed_args <- .parse_args(args)
 
-SKIP_VIGNETTES <- "--no-build-vignettes" %in% parsed_args[["flags"]]
+SKIP_VIGNETTES <- TRUE
 USING_GPU <- "--use-gpu" %in% parsed_args[["flags"]]
 USING_MINGW <- "--use-mingw" %in% parsed_args[["flags"]]
 USING_MSYS2 <- "--use-msys2" %in% parsed_args[["flags"]]
diff --git a/docs/conf.py b/docs/conf.py
index f52ac278cc8f..c97bf7c7fd62 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -25,7 +25,6 @@
 from shutil import copytree
 from subprocess import PIPE, Popen
 from typing import Any, List
-from unittest.mock import Mock
 
 import sphinx
 from docutils.nodes import reference
@@ -40,12 +39,6 @@
 
 INTERNAL_REF_REGEX = compile(r"(?P<url>\.\/.+)(?P<extension>\.rst)(?P<anchor>$|#)")
 
-# -- mock out modules
-MOCK_MODULES = ['numpy', 'scipy', 'scipy.sparse',
-                'sklearn', 'matplotlib', 'pandas', 'graphviz', 'dask', 'dask.distributed']
-for mod_name in MOCK_MODULES:
-    sys.modules[mod_name] = Mock()
-
 
 class InternalRefTransform(Transform):
     """Replaces '.rst' with '.html' in all internal links like './[Something].rst[#anchor]'."""
@@ -99,7 +92,22 @@ def run(self) -> List:
     "inherited-members": True,
     "show-inheritance": True,
 }
-
+# mock out modules
+autodoc_mock_imports = [
+    'dask',
+    'dask.distributed',
+    'datatable',
+    'graphviz',
+    'matplotlib',
+    'numpy',
+    'pandas',
+    'scipy',
+    'scipy.sparse',
+]
+try:
+    import sklearn
+except ImportError:
+    autodoc_mock_imports.append('sklearn')
 # hide type hints in API docs
 autodoc_typehints = "none"
 
@@ -142,7 +150,7 @@ def run(self) -> List:
 #
 # This is also used if you do content translation via gettext catalogs.
 # Usually you set "language" from the command line for these cases.
-language = None
+language = 'en'
 
 # List of patterns, relative to source directory, that match files and
 # directories to ignore when looking for source files.
@@ -254,18 +262,6 @@ def generate_r_docs(app: Sphinx) -> None:
         The application object representing the Sphinx process.
     """
     commands = f"""
-    /home/docs/.conda/bin/conda create \
-        -q \
-        -y \
-        -c conda-forge \
-        -n r_env \
-            r-base=4.1.0=hb67fd72_2 \
-            r-data.table=1.14.0=r41hcfec24a_0 \
-            r-jsonlite=1.7.2=r41hcfec24a_0 \
-            r-matrix=1.3_4=r41he454529_0 \
-            r-pkgdown=1.6.1=r41hc72bb7e_0 \
-            r-roxygen2=7.1.1=r41h03ef668_0
-    source /home/docs/.conda/bin/activate r_env
     export TAR=/bin/tar
     cd {CURR_PATH.parent}
     export R_LIBS="$CONDA_PREFIX/lib/R/library"
@@ -290,6 +286,7 @@ def generate_r_docs(app: Sphinx) -> None:
     cd {CURR_PATH.parent}
     """
     try:
+        print("Building R-package documentation")
         # Warning! The following code can cause buffer overflows on RTD.
         # Consider suppressing output completely if RTD project silently fails.
         # Refer to https://github.com/svenevs/exhale
@@ -303,6 +300,7 @@ def generate_r_docs(app: Sphinx) -> None:
             raise RuntimeError(output)
         else:
             print(output)
+            print("Done building R-package documentation")
     except BaseException as e:
         raise Exception(f"An error has occurred while generating documentation for R-package\n{e}")
 
diff --git a/docs/env.yml b/docs/env.yml
new file mode 100644
index 000000000000..69bcd92fbdc3
--- /dev/null
+++ b/docs/env.yml
@@ -0,0 +1,18 @@
+name: docs-env
+channels:
+  - nodefaults
+  - conda-forge
+dependencies:
+  - breathe
+  - python=3.9
+  - r-base=4.1.3
+  - r-data.table=1.14.2
+  - r-jsonlite=1.7.2
+  - r-knitr=1.37
+  - r-matrix=1.4_0
+  - r-pkgdown=1.6.1
+  - r-rmarkdown=2.11
+  - r-roxygen2=7.2.1
+  - scikit-learn
+  - sphinx
+  - "sphinx_rtd_theme>=0.5"
diff --git a/src/network/socket_wrapper.hpp b/src/network/socket_wrapper.hpp
index e4d63c434fc4..ba5d7de95817 100644
--- a/src/network/socket_wrapper.hpp
+++ b/src/network/socket_wrapper.hpp
@@ -60,11 +60,8 @@ const int INVALID_SOCKET = -1;
 #endif
 
 #ifdef _WIN32
-#ifndef _UCRT
-// Recent MinGW has inet_pton, which then causes compiler error in
-// combination with this replacement.
-#ifndef _MSC_VER
-// not using visual studio in windows
+// existence of inet_pton is checked in CMakeLists.txt and configure.win, then stored in WIN_HAS_INET_PTON
+#ifndef WIN_HAS_INET_PTON
 inline int inet_pton(int af, const char *src, void *dst) {
   struct sockaddr_storage ss;
   int size = sizeof(ss);
@@ -89,7 +86,6 @@ inline int inet_pton(int af, const char *src, void *dst) {
 }
 #endif
 #endif
-#endif
 
 #define MALLOC(x) HeapAlloc(GetProcessHeap(), 0, (x))
 #define FREE(x) HeapFree(GetProcessHeap(), 0, (x))