Apple ships final Xcode 27 (27A266a) unchanged from RC; no security content disclosed

Apple released the final Xcode 27 (build 27A266a) on 2026-09-14, the identical build number to the release candidate posted 2026-09-09, and neither announcement lists any security fixes or CVEs.

Apple moved Xcode 27 from release candidate to final release in five days. The RC, build 27A266a, was listed on Apple's developer releases page on 2026-09-09 with no security notes, CVEs, or vulnerability details. On 2026-09-14, Apple published the final Xcode 27 on its developer news feed carrying the same build number, 27A266a, indicating the RC shipped unchanged as the final version. The final announcement contained only download and release-note links and described no security content. Based on the available reports, this is a routine developer tool release with no disclosed security changes.

• Product: Xcode 27, build 27A266a
• Release candidate (27A266a) listed on Apple's developer releases page on 2026-09-09
• Final Xcode 27 (27A266a) announced via Apple's developer news feed on 2026-09-14
• Final build number is identical to the RC build, meaning the RC shipped as the final release
• No security fixes, CVEs, or vulnerability details appear in either the RC listing or the final announcement
• The final release notice contained only download and release-note links