Apple launched macOS 27 Golden Gate on 15 September 2026. Reviewers highlighted new Siri AI features and a record-breaking security patch covering 261 CVEs. Reviewers pointed to new Siri AI features plus a record security patch covering 261 CVEs. MacRumors and Mashable published guides listing 7 or 10 features to try. TechCrunch reported that the new Siri targets AI productivity apps. The update is called Golden Gate.

Separately, Winchester City Mill installed a sluice gate. The Hampshire Chronicle reported the installation on 15 September 2026. The sluice gate supports the mill's flour production revival.