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darrh00 对于 macOS 的软件,已经安装的可以继续用。安装、更新需要新证书。
developer.apple.com/support/certificates/Developer ID Application Certificate (Mac applications)
If your certificate expires, users can still download, install, and run versions of your Mac applications that were signed with this certificate. However, you will need a new certificate to sign updates and new applications. If your certificate is revoked, users will no longer be able to install applications that have been signed with this certificate. If your Mac application utilizes a Developer ID provisioning profile to take advantage of advanced capabilities such as CloudKit and push notifications, you must ensure your Developer ID provisioning profile is valid in order for installed versions of your application to run. Read more.
Developer ID Installer Certificate (Mac applications)
If your certificate expires, users can no longer launch installer packages for your Mac applications that were signed with this certificate. Previously installed apps will continue to run however new installations will not be possible until you have re-signed your installer package with a valid Developer ID Installer certificate. If your certificate is revoked, users will no longer be able to install applications that have been signed with this certificate.