Apple rolled out macOS 27 Golden Gate on 15 September 2026. Reviewers noted new Siri AI features and a record-breaking security patch covering 261 CVEs. Reviewers pointed to new Siri AI features and a record security patch covering 261 CVEs. MacRumors and Mashable released guides listing 7 or 10 options to try. TechCrunch said that the new Siri takes on AI productivity apps. The update is named Golden Gate.

Separately, Winchester City Mill fitted a sluice gate. The Hampshire Chronicle reported the installation on 15 September 2026. The sluice gate is meant to bolster the mill's flour production revival.