• Achieve XDG basedir spec compliance Improved XDG basedir spec compliance #554
• Store configuration in %AppData% on Windows Store gh config in %APPDATA% on windows #1944
• Transition to using os.UserHomeDir instead of go-homedir Use os.UserHomeDir() instead of homedir.Dir() #2429 (comment)
• Consider supporting something like GH_CONFIG_DIR Configuration path can come from environment. #2444
• Add command to print the location of the config file
  • Add command to edit the config gh config edit #804
• Allow storing authentication credentials in encrypted storage feat: Support for storing OAuth token in encrypted keychain #449
• Document where authentication credentials are stored Document where authentication credentials are stored #1773

It's important to note that whenever we add new logic about config file storage, we need to ensure a migration path for users who already have configuration files in the old location.