Darius Baruo
Sep 19, 2025 17:59
GitHub pronounces the deprecation of the macOS 13 runner picture by December 4, 2025, with scheduled brownouts to lift consciousness of the change.
GitHub has introduced its determination to retire the macOS 13 runner picture by December 4, 2025, as a part of its ongoing updates to the GitHub Actions platform. In response to The GitHub Weblog, this transfer is aimed toward encouraging customers to transition to newer macOS variations and architectures.
Scheduled Brownout Intervals
To make sure customers are conscious of the upcoming change, GitHub will quickly fail jobs that make the most of the macOS 13 runner throughout scheduled brownout durations. These brownouts are slated for the next dates and instances:
- November 4, 14:00 UTC to November 5, 00:00 UTC
- November 11, 14:00 UTC to November 12, 00:00 UTC
- November 18, 14:00 UTC to November 19, 00:00 UTC
- November 25, 14:00 UTC to November 26, 00:00 UTC
Migration Suggestions
As a part of the deprecation course of, GitHub has outlined a number of migration paths for customers. Workflows which can be structure agnostic are inspired to transition to arm64 labels akin to macos-15, macos-latest, or macos-14. For these requiring x86_64 (Intel) structure, new labels like macos-15-intel have been launched to assist normal runner customers.
Way forward for macOS x86_64 (Intel) Structure
The announcement additionally highlighted the broader deprecation of x86_64 (Intel) structure by Apple. GitHub plans to stop assist for this structure on macOS after the retirement of the macOS 15 runner picture in Fall 2027. Customers are suggested to start migrating to arm64-based (Apple Silicon) runners to make sure compatibility with future updates.
For detailed data on label modifications and migration methods, customers can go to the runner photos repository on GitHub’s platform. This transition displays the continuing shift in direction of extra trendy architectures and the necessity for builders to adapt to evolving technological requirements.
Picture supply: Shutterstock


