# Announcement: Xcode16 Deprecation in Semaphore

DevFeed: [Announcement: Xcode16 Deprecation in Semaphore](<https://devfeed.tech/articles/announcement-xcode16-deprecation-in-semaphore-20414.md>)

Original publisher: [Read original article](<https://semaphore.io/blog/announcement-xcode16-deprecation-in-semaphore>)

Author: Pete Miloravac

Published: 2026-08-04T13:47:48Z

Content type: release

Language: en

Sources: [Semaphore Engineering](<https://devfeed.tech/sources/semaphore-engineering.md>)

Topics: [Xcode](<https://devfeed.tech/topics/xcode.md>), [macOS](<https://devfeed.tech/topics/macos.md>), [ci](<https://devfeed.tech/topics/ci.md>)

Tags: [announcement](<https://devfeed.tech/tags/announcement.md>), [ci](<https://devfeed.tech/tags/ci.md>), [deprecated](<https://devfeed.tech/tags/deprecated.md>), [end-of-life](<https://devfeed.tech/tags/end-of-life.md>), [lifecycle](<https://devfeed.tech/tags/lifecycle.md>), [macos](<https://devfeed.tech/tags/macos.md>), [operating-systems](<https://devfeed.tech/tags/operating-systems.md>), [product-news](<https://devfeed.tech/tags/product-news.md>), [yaml](<https://devfeed.tech/tags/yaml.md>)

## AI overview

Semaphore is deprecating and retiring its macOS Xcode16 build environments. Brownout periods will run from September 7 through October 4, 2026, before the environments are removed on October 5, 2026. Users are instructed to migrate pipelines to macos-xcode26 and validate them.

## Source excerpt

MacOS Xcode16 reached the end of its supported lifecycle on Semaphore. To ensure the security, reliability, and maintainability of our platform, we are announcing the deprecation and end of life of MacOS Xcode16 build environments. Semaphore users should switch to Xcode26. Why We're Deprecating Xcode16 As operating systems age, they cease to receive timely security [...] The post Announcement: Xcode16 Deprecation in Semaphore appeared first on Semaphore.