Safari Technology Preview now supports dark mode via `@media (prefers-color-scheme: dark)` in CSS media queries. 

Same should be supported in Electron apps to enable automatic light/dark mode switching.

shell/browser/atom_browser_client.cc
sandbox::ResultCode result = policy->AddRule(
      sandbox::TargetPolicy::SUBSYS_FILES,
      sandbox::TargetPolicy::FILES_ALLOW_ANY, L"\\??\\pipe\\crashpad_*");
  if (result != sandbox::SBOX_ALL_OK)
    return false;
  return true;
}
#endif  
std::string AtomBrowserClient::GetApplicationLocale() {
  if (BrowserThread::CurrentlyOn(BrowserThread::IO))
    return g_io_thread_application_locale.Get();
  return *g_application_locale;
}
bool AtomBrowserClient::ShouldEnableStrictSiteIsolation() {
  
  return true;
}
}