ruby -v
ruby 3.3.0 (2023-12-25 revision 5124f9ac75) [x64-mingw-ucrt]
gem -v
3.5.3

Edition	Windows 11 Pro
Version	24H2
Installed on	‎09/‎02/‎2024
OS build	26052.1000
Experience	Windows Feature Experience Pack 1000.26052.1000.0

❯ gem install github_changelog_generator
Fetching rainbow-3.1.1.gem
Fetching faraday-net_http-3.1.0.gem
Fetching sawyer-0.9.2.gem
Fetching public_suffix-5.0.4.gem
Fetching octokit-4.25.1.gem
Fetching faraday-2.9.0.gem
Fetching addressable-2.8.6.gem
Fetching multi_json-1.15.0.gem
Fetching faraday-http-cache-2.5.1.gem
Fetching traces-0.11.1.gem
Fetching protocol-http-0.26.1.gem
Fetching protocol-hpack-1.4.2.gem
Fetching protocol-http2-0.16.0.gem
Fetching protocol-http1-0.18.0.gem
Fetching timers-4.3.5.gem
Fetching io-event-1.4.3.gem
Fetching fiber-annotation-0.2.0.gem
Fetching fiber-local-1.0.0.gem
Fetching console-1.23.4.gem
Fetching async-2.8.1.gem
Fetching async-pool-0.4.0.gem
Fetching async-io-1.41.0.gem
Fetching async-http-0.63.0.gem
Fetching async-http-faraday-0.13.1.gem
Fetching concurrent-ruby-1.2.3.gem
Fetching i18n-1.14.1.gem
Fetching github_changelog_generator-1.16.4.gem
Fetching tzinfo-2.0.6.gem
Fetching connection_pool-2.4.1.gem
Fetching activesupport-7.1.3.gem
Successfully installed rainbow-3.1.1
Successfully installed faraday-net_http-3.1.0
Successfully installed faraday-2.9.0
Successfully installed public_suffix-5.0.4
Successfully installed addressable-2.8.6
Successfully installed sawyer-0.9.2
Successfully installed octokit-4.25.1
Successfully installed multi_json-1.15.0
Successfully installed faraday-http-cache-2.5.1
Successfully installed traces-0.11.1
Successfully installed protocol-http-0.26.1
Successfully installed protocol-hpack-1.4.2
Successfully installed protocol-http2-0.16.0
Successfully installed protocol-http1-0.18.0
Successfully installed timers-4.3.5
Temporarily enhancing PATH for MSYS/MINGW...
Building native extensions. This could take a while...
ERROR:  Error installing github_changelog_generator:
        ERROR: Failed to build gem native extension.

    current directory: C:/Ruby33-x64/lib/ruby/gems/3.3.0/gems/io-event-1.4.3/ext
C:/Ruby33-x64/bin/ruby.exe extconf.rb
checking for rb_ext_ractor_safe()... yes
checking for &rb_fiber_transfer()... yes
checking for -luring... no
checking for sys/epoll.h... no
checking for sys/event.h... no
checking for sys/eventfd.h... no
checking for rb_io_descriptor()... yes
checking for &rb_process_status_wait()... yes
checking for rb_fiber_current()... yes
checking for &rb_fiber_raise()... yes
checking for epoll_pwait2()... no
checking for ruby/io/buffer.h... yes
creating extconf.h
creating Makefile

current directory: C:/Ruby33-x64/lib/ruby/gems/3.3.0/gems/io-event-1.4.3/ext
make DESTDIR\= sitearchdir\=./.gem.20240215-15336-uz2oa7 sitelibdir\=./.gem.20240215-15336-uz2oa7 clean

current directory: C:/Ruby33-x64/lib/ruby/gems/3.3.0/gems/io-event-1.4.3/ext
make DESTDIR\= sitearchdir\=./.gem.20240215-15336-uz2oa7 sitelibdir\=./.gem.20240215-15336-uz2oa7
generating IO_Event-x64-mingw-ucrt.def
compiling ./io/event/event.c
In file included from ./io/event/event.c:22:
./io/event/selector/selector.h:37:10: fatal error: sys/wait.h: No such file or directory
   37 | #include <sys/wait.h>
      |          ^~~~~~~~~~~~
compilation terminated.
make: *** [Makefile:248: event.o] Error 1

make failed, exit code 2

Gem files will remain installed in C:/Ruby33-x64/lib/ruby/gems/3.3.0/gems/io-event-1.4.3 for inspection.
Results logged to C:/Ruby33-x64/lib/ruby/gems/3.3.0/extensions/x64-mingw-ucrt/3.3.0/io-event-1.4.3/gem_make.out