macOS Release Notes
Learn about changes to the macOS SDK.
Overview
Release notes provide details on API changes, known issues, fixes, workarounds, and deprecations for recent software releases.
Bug Reporting
For issues not mentioned in release notes, send feedback through Feedback Assistant.
When writing your report, please include the full version number in the title and in the description. This looks like “14 (23A_xxxx_).” You can find the full version number in About this Mac > macOS (click on it for expanded version numbers). For more information, visit Bug Reporting.
Topics
macOS 27
macOS 26
macOS Tahoe 26.6 Release NotesmacOS Tahoe 26.5 Release NotesmacOS Tahoe 26.4 Release NotesmacOS Tahoe 26.3 Release NotesmacOS Tahoe 26.2 Release NotesmacOS Tahoe 26.1 Release NotesmacOS Tahoe 26 Release Notes
macOS 15
macOS Sequoia 15.6 Release NotesmacOS Sequoia 15.5 Release NotesmacOS Sequoia 15.4 Release NotesmacOS Sequoia 15.3 Release NotesmacOS Sequoia 15.2 Release NotesmacOS Sequoia 15.1 Release NotesmacOS Sequoia 15 Release Notes
macOS 14
macOS Sonoma 14.6 Release NotesmacOS Sonoma 14.5 Release NotesmacOS Sonoma 14.4 Release NotesmacOS Sonoma 14.3 Release NotesmacOS Sonoma 14.2 Release NotesmacOS Sonoma 14.1 Release NotesmacOS Sonoma 14 Release Notes
macOS 13
macOS Ventura 13.5 Release NotesmacOS Ventura 13.4 Release NotesmacOS Ventura 13.3 Release NotesmacOS Ventura 13.2 Release NotesmacOS Ventura 13.1 Release NotesmacOS Ventura 13 Release Notes
macOS 12
macOS Monterey 12.5 Release NotesmacOS Monterey 12.4 Release NotesmacOS Monterey 12.3 Release NotesmacOS Monterey 12.2 Release NotesmacOS Monterey 12.1 Release NotesmacOS Monterey 12.0.1 Release Notes
macOS 11
macOS Big Sur 11.5 Release NotesmacOS Big Sur 11.4 Release NotesmacOS Big Sur 11.3 Release NotesmacOS Big Sur 11.2 Release NotesmacOS Big Sur 11.1 Release NotesmacOS Big Sur 11.0.1 Release NotesmacOS Big Sur 11.0.1 Universal Apps Release NotesmacOS Big Sur 11.0.1 iOS & iPadOS Apps on Mac Release Notes
macOS 10.15
macOS Catalina 10.15.6 Release NotesmacOS Catalina 10.15.5 Release NotesmacOS Catalina 10.15.4 Release NotesmacOS Catalina 10.15.3 Release NotesmacOS Catalina 10.15.2 Release NotesmacOS Catalina 10.15.1 Release NotesmacOS Catalina 10.15 Release Notes
macOS 10.14
macOS Mojave 10.14.6 Release NotesmacOS Mojave 10.14.5 Release NotesmacOS Mojave 10.14.4 Release NotesmacOS Mojave 10.14.3 Release NotesmacOS Mojave 10.14.2 Release NotesmacOS Mojave 10.14 Release Notes
AppKit
AppKit Release Notes for macOS Sonoma 14AppKit Release Notes for macOS Ventura 13AppKit Release Notes for macOS Monterey 12AppKit Release Notes for macOS Big Sur 11AppKit Release Notes for macOS 10.14