---
title: "Apple Developer Developer ID Certification Authority (Sub-CA) certificates expire: 2027-02-01 | Harbyn"
description: "Apple Developer Developer ID Certification Authority (Sub-CA) certificates expire, effective Feb 1, 2027."
canonical: "https://harbyn.com/changes/apple-developer/2026-10-01-upcoming-expiration-of-developer-id-certification-authority-sub-ca"
last-updated: 2026-10-08
---

# Apple Developer Developer ID Certification Authority (Sub-CA) certificates expire

Markdown version of <https://harbyn.com/changes/apple-developer/2026-10-01-upcoming-expiration-of-developer-id-certification-authority-sub-ca>.

Retirement - Apple Developer. high severity. Announced. Upcoming.

Certificates issued by the original authority stop working on February 1, 2027. Starting that date, .pkg files signed with an affected certificate will no longer install. Previously signed and notarized Mac software with a secure timestamp will keep working.

99 days left: the deadline is Feb 1, 2027.

## Facts

| Fact | Value |
| --- | --- |
| Vendor | [Apple Developer](https://harbyn.com/vendors/apple-developer.md) |
| Kind | Retirement |
| Severity | high |
| Status | Announced |
| Announced | Oct 1, 2026 |
| Effective | Feb 1, 2027 |
| Added to Harbyn | Oct 8, 2026 |
| Lead time | 116 days of warning |
| Vendor page | <https://developer.apple.com/news/?id=w4atic4c> |
| 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 Apple Developer, 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://developer.apple.com/news/rss/news.rss> (changelog, fetched 2026-10-08 17:16 UTC, sha256 `75993db37f9d7e641dc31ecb6ce0dec29cffe41907aee9542be99fa7237f7086`)

## Related changes

### More from Apple Developer

- [Multiseat purchases enabled by default for subscriptions in App Store Connect](https://harbyn.com/changes/apple-developer/2026-09-16-get-your-subscriptions-ready-for-ios-27-2.md) (Behavior change, announced Sep 16, 2026)
- [Rosetta support ends after macOS 27, Intel-only Mac apps will stop running on Apple silicon](https://harbyn.com/changes/apple-developer/2026-09-01-upcoming-changes-to-rosetta-support-for-intel-based-macos-apps.md) (Deprecation, announced Sep 1, 2026)

### Changes at other vendors

- [OpenRouter: arcee-ai/trinity-large-thinking expire 2026-10-26](https://harbyn.com/changes/openrouter/2026-10-23-arcee-ai-trinity-large-thinking-expires-2026-10-26.md) (effective Oct 26, 2026)
- [Google Cloud Run and Functions: Node.js 20 runtime decommission](https://harbyn.com/changes/google-cloud/2026-10-08-node-js-20-runtime-decommission.md) (effective Oct 30, 2026)
- [Mistral AI: Z.ai GLM 5.2 (zai-glm-5-2) retires on Mistral on October 31, 2026](https://harbyn.com/changes/mistral/2026-09-29-z-ai-glm-5-2-deprecated-and-scheduled-for-retirement.md) (effective Oct 31, 2026)
- [Fireworks AI: DeepSeek V4 Flash 0731 retires from Serverless Training November 2](https://harbyn.com/changes/fireworks/2026-10-18-upcoming-serverless-training-deprecation-deepseek-v4-flash-0731.md) (effective Nov 2, 2026)

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