MacOS Golden Gate
23rd major version of the macOS operating system
macOS Golden Gate (version 27) is the twenty-third major release of Apple's macOS operating system. The successor to macOS Tahoe, it was announced on June 8, 2026, at WWDC 2026, and it was released on September 14, 2026. It is the first version of macOS to run exclusively on Macs with Apple silicon and the last version with full Rosetta 2 functionality.
It is named after the Golden Gate, a strait between the Presidio of San Francisco and the Marin Headlands, which connects the San Francisco Bay and the Pacific Ocean.
Development
The development of the then-unnamed macOS 27 was confirmed by Apple at Worldwide Developers Conference (WWDC) 2025 during its Platforms State of the Union event when it outlined the conclusion of the Mac transition to Apple silicon. Apple stated that macOS 27 would drop support for Intel processors and be the last version with full Rosetta 2 functionality.
macOS Golden Gate was formally announced at WWDC on June 8, 2026. The first developer beta was released the same day. The name "Golden Gate" (specifically "GoldenGate", no spaces) was also previously used as the internal code name for macOS Big Sur.
Features
Apple said that macOS 27 Golden Gate focuses on refining features introduced in the previous release based on user feedback.
The public source identifies “MacOS Golden Gate” as 23rd major version of the macOS operating system. This brief keeps that definition visible, then builds a research path around MacOS, Golden and Gate.
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Named sources, stable identifiers and responsible institutions provide the strongest route from overview to verifiable evidence. The source revision retrieved here is dated Sep 22, 2026. The linked authority identifier is Q139601515. None of the 2 selected statements returned an explicit reference. The first chronological checks are 2026 and 2025.
The absence of detail may reflect summary conventions rather than a lack of surviving documentation. The lead is largely declarative, so disagreement and counter-evidence require a deliberate search beyond the opening account. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.
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This entry incorporates text from “MacOS Golden Gate” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.