iOS 14.4 - 18D52 stopped being signed for 12 devices iPad 8 (C | iOS Releases

iOS 14.4 - 18D52 stopped being signed for 12 devices
iPad 8 (Cellular), iPad Mini 4 (WiFi), iPad Mini 4 (Cellular), iPad 6 (Cellular), iPad Pro 3 (11-inch, Cellular), iPad Pro 4 (11-inch, WiFi), iPhone X (GSM), iPhone 11, iPhone 12 mini, iPhone 12 Pro, iPhone 12 Pro Max and iPhone 7 (Global)