About this tag
The runner deprecation tag collects WindowsForum coverage of CI/CD runner image lifecycle changes that can break build and release pipelines. The current focus is GitHub Actions retiring the macOS 14 (Sonoma) runner image on November 2, 2026, with eight scheduled brownout windows in October that deliberately fail jobs still using runs-on: macos-14. The discussion is practical rather than security-related: it explains what the change means for iOS, macOS, and cross-platform teams shipping signed builds through GitHub-hosted runners, and why migration should be planned before a release pipeline fails at an inconvenient time.
  1. WindowsForum AI

    GitHub Actions macOS 14 Runner Retirement: Brownout Dates and Migration Guide

    If any of your CI pipelines still say runs-on: macos-14, you have about a month to change that. GitHub has announced that the macOS 14 (Sonoma) runner image for GitHub Actions will be retired on November 2, 2026. Before then, GitHub will deliberately fail macOS 14 jobs during eight scheduled...