App Store receipt signing certificate is being updated
Developers need to adjust custom receipt validation code
Apple plans update to App Store signing intermediate certificate.
Starting January 24, 2025, if your app performs on-device receipt validation and doesn't support a SHA-256 algorithm, your app will fail to validate the receipt. If your app prevents customers from accessing the app or premium content when receipt validation fails, your customers may lose access to their content.
Any custom receipt validation code should be adjusted, if needed.
Apple Developer: