Issue #19241 has been updated by hsbt (Hiroshi SHIBATA). Status changed from Open to Third Party's Issue Can you file this to https://github.com/oneclick/rubyinstaller2/? ---------------------------------------- Bug #19241: Ractor will change Windows System Power Mode https://bugs.ruby-lang.org/issues/19241#change-100706 * Author: jakit (Jakit Liang) * Status: Third Party's Issue * Priority: Normal * ruby -v: ruby 3.1.3p185 (2022-11-24 revision 1a6b16756e) [x64-mingw-ucrt] * Backport: 2.7: UNKNOWN, 3.0: UNKNOWN, 3.1: UNKNOWN ---------------------------------------- ## Problem Just start `irb`: ``` % irb irb(main):001:0> ``` And you can see Windows Power mode will change to `High Performance` ## Version `ruby 3.1.3p185 (2022-11-24 revision 1a6b16756e) [x64-mingw-ucrt]` And other version of 3.x also have this problem. ## Expected Please not change user's system settings. -- https://bugs.ruby-lang.org/