---
title: "GitHub Intel-based Mac support deprecation: 2026-12 | Harbyn"
description: "GitHub Intel-based Mac support deprecation, effective Dec 2026."
canonical: "https://harbyn.com/changes/github/2026-10-19-codeql-changes-for-macos-27-xcode-27-and-swift-6-4"
last-updated: 2026-10-25
---

# GitHub Intel-based Mac support deprecation

Markdown version of <https://harbyn.com/changes/github/2026-10-19-codeql-changes-for-macos-27-xcode-27-and-swift-6-4>.

Deprecation - GitHub. low severity. Announced. Upcoming.

CodeQL support for Intel-based Macs will be deprecated in mid-December 2026.

About 37 days left: the deadline is Dec 2026 (the vendor named the month, not the day).

## Facts

| Fact | Value |
| --- | --- |
| Vendor | [GitHub](https://harbyn.com/vendors/github.md) |
| Kind | Deprecation |
| Severity | low |
| Status | Announced |
| Announced | Oct 19, 2026 |
| Effective | Dec 2026 (month only; the vendor gave no day) |
| Added to Harbyn | Oct 25, 2026 |
| Lead time | 37 days of warning |
| Vendor page | <https://github.blog/changelog/2026-10-19-codeql-changes-for-macos-27-xcode-27-and-swift-6-4> |
| Review | Reviewed by a person, extracted by a model |

## Find it in your code

```sh
npx harbyn scan
```

This change names no identifier the scanner can match line by line, so the scan tells you whether your repository uses GitHub, from its packages and API hosts. Nothing leaves your machine.

## Sources

Where this event comes from: the page we read, when we read it, and the hash of that snapshot.

- <https://github.blog/changelog/feed/> (changelog, fetched 2026-10-19 16:29 UTC, sha256 `395df307c0a7a172c29d14b552129c517d7d24e6f03ea4b5565db971db6bc89c`)

## Related changes

### More from GitHub

- [CodeQL tracing and Swift support changes](https://harbyn.com/changes/github/2026-10-19-codeql-changes-for-macos-27-xcode-27-and-swift-6-4-2.md) (Breaking change, announced Oct 19, 2026)
- [GitHub Copilot models deprecated](https://harbyn.com/changes/github/2026-10-19-github-copilot-models-deprecated-on-october-19-2026.md) (Deprecation, effective Oct 19, 2026)
- [Some Git over HTTPS may temporarily require authentication](https://harbyn.com/changes/github/2026-10-19-some-git-over-https-may-temporarily-require-authentication.md) (Behavior change, announced Oct 19, 2026)
- [Dismissal-request webhooks include request number](https://harbyn.com/changes/github/2026-10-20-updates-to-github-secret-scanning.md) (Behavior change, announced Oct 20, 2026)

### Changes at other vendors

- [AWS Lambda: Python 3.10 runtime deprecation](https://harbyn.com/changes/aws-lambda/2026-10-08-python-3-10-runtime-deprecation.md) (effective Oct 31, 2026)
- [Jira / Atlassian Cloud: Atlassian Analytics dashboard subscriptions being removed](https://harbyn.com/changes/atlassian-jira/2026-08-10-atlassian-analytics-dashboard-subscriptions-being-removed.md) (effective Nov 2, 2026)
- [Google Cloud Run and Functions: .NET 8 runtime deprecation](https://harbyn.com/changes/google-cloud/2026-10-08-net-8-runtime-deprecation.md) (effective Nov 10, 2026)
- [Supabase: @supabase/server framework adapters are deprecated and will be removed on December 1, 2026](https://harbyn.com/changes/supabase/2026-10-05-framework-adapters-in-supabase-server-are-deprecated.md) (effective Dec 1, 2026)

[All upcoming deadlines](https://harbyn.com/deadlines.md)
