New requirement for apps using Sign in with Apple for account creation

What changed

Starting January 1, 2026, developers based in the Republic of Korea must provide a server‑to‑server notification endpoint when registering a new Services ID, or updating an existing Services ID, to associate their websi…

Why it matters for App Store teams

It may affect SDK, Xcode, API, platform, or release-engineering workflows.

Recommended follow-up

1. Read Apple's original “New requirement for apps using Sign in with Apple for account creation” announcement and record the affected platforms, storefronts and any effective date.
2. It may affect SDK, Xcode, API, platform, or release-engineering workflows.
3. Assign an owner, record the baseline and verify the affected flow. Treat subsequent ranking or rating changes as observations, not proof that this announcement caused them.