📱iOS 15.0 - 19A346 started being signed for 4 devices
iPhone 13 Pro, iPhone 13 Pro Max, iPhone 13 mini and iPhone 13

📱iOS 8.4.6 - 12H923 stopped being signed for 2 devices
Apple TV 3 and Apple TV 3 (2013)

📱iOS 14.7 - 18M60 stopped being signed for 2 devices
Apple TV 4 (2015) and HomePod mini

📱iOS 12.5.4 - 16H50 stopped being signed for 14 devices
iPad Air (WiFi), iPad Air (Cellular), iPad Air (China), iPad Mini 2 (WiFi), iPad Mini 2 (Cellular), iPad Mini 2 (China), iPad Mini 3 (WiFi), iPad Mini 3 (Cellular), iPad Mini 3 (China), iPhone 5s (GSM), iPhone 5s (Global), iPhone 6+, iPhone 6 and iPod touch 6

📱iOS 15.0.1 - 19A348 has been released for 48 devices
iPad Mini 5 (WiFi), iPad Mini 5 (Cellular), iPad Air 3 (WiFi), iPad Air 3 (Cellular), iPad 8 (WiFi), iPad 8 (Cellular), iPad 9 (WiFi), iPad 9 (Cellular), iPad Air 4 (WiFi), iPad Pro (12.9-inch) (5th generation), iPad Pro (12.9-inch) (5th generation), iPad Air 4 (Cellular), iPad Pro (11-inch) (3rd generation), iPad Pro (11-inch) (3rd generation), iPad Pro (11-inch) (3rd generation), iPad Pro (11-inch) (3rd generation), iPad Pro (12.9-inch) (5th generation), iPad Pro (12.9-inch) (5th generation), iPad Mini 6 (WiFi), iPad Mini 6 (Cellular), iPad Mini 4 (WiFi), iPad Mini 4 (Cellular), iPad Air 2 (WiFi), iPad Air 2 (Cellular), iPad 5 (WiFi), iPad 5 (Cellular), iPad Pro 9.7-inch (WiFi), iPad Pro 9.7-inch (Cellular), iPad Pro 12.9-inch (WiFi), iPad Pro 12.9-inch (Cellular), iPad Pro 2 (12.9-inch, WiFi), iPad 7 (WiFi), iPad 7 (Cellular), iPad Pro 2 (12.9-inch, Cellular), iPad Pro (10.5-inch, WiFi), iPad Pro (10.5-inch, Cellular), iPad 6 (WiFi), iPad 6 (Cellular), iPad Pro 3 (11-inch, WiFi), iPad Pro 4 (11-inch, Cellular), iPad Pro 4 (12.9-inch, WiFi), iPad Pro 4 (12.9-inch, Cellular), iPad Pro 3 (11-inch, WiFi, 1TB Model), iPad Pro 3 (11-inch, Cellular), iPad Pro 3 (11-inch, Cellular, 1TB Model), iPad Pro 3 (12.9-inch, WiFi), iPad Pro 3 (12.9-inch, WiFi, 1TB Model) and iPad Pro 3 (12.9-inch, Cellular)

📱iOS 15.0.1 - 19A348 has been released for 32 devices
iPad Pro 3 (12.9-inch, Cellular, 1TB Model), iPad Pro 4 (11-inch, WiFi), iPhone 8 (Global), iPhone 8 Plus (Global), iPhone X (Global), iPhone 8 (GSM), iPhone 8 Plus (GSM), iPhone X (GSM), iPhone XS, iPhone XS Max (China), iPhone XS Max, iPhone XR, iPhone 11, iPhone 11 Pro, iPhone 11 Pro Max, iPhone SE (2020), iPhone 12 mini, iPhone 12, iPhone 12 Pro, iPhone 12 Pro Max, iPhone 13 Pro, iPhone 13 Pro Max, iPhone 13 mini, iPhone 13, iPhone 6s, iPhone 6s+, iPhone SE, iPhone 7 (Global), iPhone 7 Plus (Global), iPhone 7 (GSM), iPhone 7 Plus (GSM) and iPod touch 7

📱iOS 14.8 - 18H17 stopped being signed for 72 devices
iPad Mini 5 (WiFi), iPad Mini 5 (Cellular), iPad Air 3 (WiFi), iPad Air 3 (Cellular), iPad 8 (WiFi), iPad 8 (Cellular), iPad Air 4 (WiFi), iPad Pro (12.9-inch) (5th generation), iPad Pro (12.9-inch) (5th generation), iPad Air 4 (Cellular), iPad Pro (11-inch) (3rd generation), iPad Pro (11-inch) (3rd generation), iPad Pro (11-inch) (3rd generation), iPad Pro (11-inch) (3rd generation), iPad Pro (12.9-inch) (5th generation), iPad Pro (12.9-inch) (5th generation), iPad Mini 4 (WiFi), iPad Mini 4 (Cellular), iPad Air 2 (WiFi), iPad Air 2 (Cellular), iPad 5 (WiFi), iPad 5 (Cellular), iPad Pro 9.7-inch (WiFi), iPad Pro 9.7-inch (Cellular), iPad Pro 12.9-inch (WiFi), iPad Pro 12.9-inch (Cellular), iPad Pro 2 (12.9-inch, WiFi), iPad 7 (WiFi), iPad 7 (Cellular), iPad Pro 2 (12.9-inch, Cellular), iPad Pro (10.5-inch, WiFi), iPad Pro (10.5-inch, Cellular), iPad 6 (WiFi), iPad 6 (Cellular), iPad Pro 3 (11-inch, WiFi), iPad Pro 4 (11-inch, Cellular), iPad Pro 4 (12.9-inch, WiFi), iPad Pro 4 (12.9-inch, Cellular), iPad Pro 3 (11-inch, WiFi, 1TB Model), iPad Pro 3 (11-inch, Cellular), iPad Pro 3 (11-inch, Cellular, 1TB Model), iPad Pro 3 (12.9-inch, WiFi), iPad Pro 3 (12.9-inch, WiFi, 1TB Model), iPad Pro 3 (12.9-inch, Cellular), iPad Pro 3 (12.9-inch, Cellular, 1TB Model), iPad Pro 4 (11-inch, WiFi), iPhone 8 (Global), iPhone 8 Plus (Global), iPhone X (Global), iPhone 8 (GSM), iPhone 8 Plus (GSM), iPhone X (GSM), iPhone XS, iPhone XS Max (China), iPhone XS Max, iPhone XR, iPhone 11, iPhone 11 Pro, iPhone 11 Pro Max, iPhone SE (2020), iPhone 12 mini, iPhone 12, iPhone 12 Pro, iPhone 12 Pro Max, iPhone 6s, iPhone 6s+, iPhone SE, iPhone 7 (Global), iPhone 7 Plus (Global), iPhone 7 (GSM), iPhone 7 Plus (GSM) and iPod touch 7

📱iOS 15.0 - 19A346 stopped being signed for 80 devices
iPad Mini 5 (WiFi), iPad Mini 5 (Cellular), iPad Air 3 (WiFi), iPad Air 3 (Cellular), iPad 8 (WiFi), iPad 8 (Cellular), iPad 9 (WiFi), iPad 9 (Cellular), iPad Air 4 (WiFi), iPad Pro (12.9-inch) (5th generation), iPad Pro (12.9-inch) (5th generation), iPad Air 4 (Cellular), iPad Pro (11-inch) (3rd generation), iPad Pro (11-inch) (3rd generation), iPad Pro (11-inch) (3rd generation), iPad Pro (11-inch) (3rd generation), iPad Pro (12.9-inch) (5th generation), iPad Pro (12.9-inch) (5th generation), iPad Mini 6 (WiFi), iPad Mini 6 (Cellular), iPad Mini 4 (WiFi), iPad Mini 4 (Cellular), iPad Air 2 (WiFi), iPad Air 2 (Cellular), iPad 5 (WiFi), iPad 5 (Cellular), iPad Pro 9.7-inch (WiFi), iPad Pro 9.7-inch (Cellular), iPad Pro 12.9-inch (WiFi), iPad Pro 12.9-inch (Cellular), iPad Pro 2 (12.9-inch, WiFi), iPad 7 (WiFi), iPad 7 (Cellular), iPad Pro 2 (12.9-inch, Cellular), iPad Pro (10.5-inch, WiFi), iPad Pro (10.5-inch, Cellular), iPad 6 (WiFi), iPad 6 (Cellular), iPad Pro 3 (11-inch, WiFi), iPad Pro 4 (11-inch, Cellular), iPad Pro 4 (12.9-inch, WiFi), iPad Pro 4 (12.9-inch, Cellular), iPad Pro 3 (11-inch, WiFi, 1TB Model), iPad Pro 3 (11-inch, Cellular), iPad Pro 3 (11-inch, Cellular, 1TB Model), iPad Pro 3 (12.9-inch, WiFi), iPad Pro 3 (12.9-inch, WiFi, 1TB Model), iPad Pro 3 (12.9-inch, Cellular), iPad Pro 3 (12.9-inch, Cellular, 1TB Model), iPad Pro 4 (11-inch, WiFi), iPhone 8 (Global), iPhone 8 Plus (Global), iPhone X (Global), iPhone 8 (GSM), iPhone 8 Plus (GSM), iPhone X (GSM), iPhone XS, iPhone XS Max (China), iPhone XS Max, iPhone XR, iPhone 11, iPhone 11 Pro, iPhone 11 Pro Max, iPhone SE (2020), iPhone 12 mini, iPhone 12, iPhone 12 Pro, iPhone 12 Pro Max, iPhone 13 Pro, iPhone 13 Pro Max, iPhone 13 mini, iPhone 13, iPhone 6s, iPhone 6s+, iPhone SE, iPhone 7 (Global), iPhone 7 Plus (Global), iPhone 7 (GSM), iPhone 7 Plus (GSM) and iPod touch 7

📱iOS 15.0.2 - 19A404 has been released for 80 devices
iPad Mini 5 (WiFi), iPad Mini 5 (Cellular), iPad Air 3 (WiFi), iPad Air 3 (Cellular), iPad 8 (WiFi), iPad 8 (Cellular), iPad 9 (WiFi), iPad 9 (Cellular), iPad Air 4 (WiFi), iPad Pro (12.9-inch) (5th generation), iPad Pro (12.9-inch) (5th generation), iPad Air 4 (Cellular), iPad Pro (11-inch) (3rd generation), iPad Pro (11-inch) (3rd generation), iPad Pro (11-inch) (3rd generation), iPad Pro (11-inch) (3rd generation), iPad Pro (12.9-inch) (5th generation), iPad Pro (12.9-inch) (5th generation), iPad Mini 6 (WiFi), iPad Mini 6 (Cellular), iPad Mini 4 (WiFi), iPad Mini 4 (Cellular), iPad Air 2 (WiFi), iPad Air 2 (Cellular), iPad 5 (WiFi), iPad 5 (Cellular), iPad Pro 9.7-inch (WiFi), iPad Pro 9.7-inch (Cellular), iPad Pro 12.9-inch (WiFi), iPad Pro 12.9-inch (Cellular), iPad Pro 2 (12.9-inch, WiFi), iPad 7 (WiFi), iPad 7 (Cellular), iPad Pro 2 (12.9-inch, Cellular), iPad Pro (10.5-inch, WiFi), iPad Pro (10.5-inch, Cellular), iPad 6 (WiFi), iPad 6 (Cellular), iPad Pro 3 (11-inch, WiFi), iPad Pro 4 (11-inch, Cellular), iPad Pro 4 (12.9-inch, WiFi), iPad Pro 4 (12.9-inch, Cellular), iPad Pro 3 (11-inch, WiFi, 1TB Model), iPad Pro 3 (11-inch, Cellular), iPad Pro 3 (11-inch, Cellular, 1TB Model), iPad Pro 3 (12.9-inch, WiFi), iPad Pro 3 (12.9-inch, WiFi, 1TB Model), iPad Pro 3 (12.9-inch, Cellular), iPad Pro 3 (12.9-inch, Cellular, 1TB Model), iPad Pro 4 (11-inch, WiFi), iPhone 8 (Global), iPhone 8 Plus (Global), iPhone X (Global), iPhone 8 (GSM), iPhone 8 Plus (GSM), iPhone X (GSM), iPhone XS, iPhone XS Max (China), iPhone XS Max, iPhone XR, iPhone 11, iPhone 11 Pro, iPhone 11 Pro Max, iPhone SE (2020), iPhone 12 mini, iPhone 12, iPhone 12 Pro, iPhone 12 Pro Max, iPhone 13 Pro, iPhone 13 Pro Max, iPhone 13 mini, iPhone 13, iPhone 6s, iPhone 6s+, iPhone SE, iPhone 7 (Global), iPhone 7 Plus (Global), iPhone 7 (GSM), iPhone 7 Plus (GSM) and iPod touch 7

📱iOS 15.0.1 - 19A348 stopped being signed for 80 devices
iPad Mini 5 (WiFi), iPad Mini 5 (Cellular), iPad Air 3 (WiFi), iPad Air 3 (Cellular), iPad 8 (WiFi), iPad 8 (Cellular), iPad 9 (WiFi), iPad 9 (Cellular), iPad Air 4 (WiFi), iPad Pro (12.9-inch) (5th generation), iPad Pro (12.9-inch) (5th generation), iPad Air 4 (Cellular), iPad Pro (11-inch) (3rd generation), iPad Pro (11-inch) (3rd generation), iPad Pro (11-inch) (3rd generation), iPad Pro (11-inch) (3rd generation), iPad Pro (12.9-inch) (5th generation), iPad Pro (12.9-inch) (5th generation), iPad Mini 6 (WiFi), iPad Mini 6 (Cellular), iPad Mini 4 (WiFi), iPad Mini 4 (Cellular), iPad Air 2 (WiFi), iPad Air 2 (Cellular), iPad 5 (WiFi), iPad 5 (Cellular), iPad Pro 9.7-inch (WiFi), iPad Pro 9.7-inch (Cellular), iPad Pro 12.9-inch (WiFi), iPad Pro 12.9-inch (Cellular), iPad Pro 2 (12.9-inch, WiFi), iPad 7 (WiFi), iPad 7 (Cellular), iPad Pro 2 (12.9-inch, Cellular), iPad Pro (10.5-inch, WiFi), iPad Pro (10.5-inch, Cellular), iPad 6 (WiFi), iPad 6 (Cellular), iPad Pro 3 (11-inch, WiFi), iPad Pro 4 (11-inch, Cellular), iPad Pro 4 (12.9-inch, WiFi), iPad Pro 4 (12.9-inch, Cellular), iPad Pro 3 (11-inch, WiFi, 1TB Model), iPad Pro 3 (11-inch, Cellular), iPad Pro 3 (11-inch, Cellular, 1TB Model), iPad Pro 3 (12.9-inch, WiFi), iPad Pro 3 (12.9-inch, WiFi, 1TB Model), iPad Pro 3 (12.9-inch, Cellular), iPad Pro 3 (12.9-inch, Cellular, 1TB Model), iPad Pro 4 (11-inch, WiFi), iPhone 8 (Global), iPhone 8 Plus (Global), iPhone X (Global), iPhone 8 (GSM), iPhone 8 Plus (GSM), iPhone X (GSM), iPhone XS, iPhone XS Max (China), iPhone XS Max, iPhone XR, iPhone 11, iPhone 11 Pro, iPhone 11 Pro Max, iPhone SE (2020), iPhone 12 mini, iPhone 12, iPhone 12 Pro, iPhone 12 Pro Max, iPhone 13 Pro, iPhone 13 Pro Max, iPhone 13 mini, iPhone 13, iPhone 6s, iPhone 6s+, iPhone SE, iPhone 7 (Global), iPhone 7 Plus (Global), iPhone 7 (GSM), iPhone 7 Plus (GSM) and iPod touch 7

📱iOS 6.0 - 19P548 has been released for 16 devices
iBridge2,1, iBridge2,10, iBridge2,12, iBridge2,14, iBridge2,15, iBridge2,16, iBridge2,19, iBridge2,20, iBridge2,21, iBridge2,22, iBridge2,3, iBridge2,4, iBridge2,5, iBridge2,6, iBridge2,7 and iBridge2,8

📱iOS 15.1 - 19J572 has been released for 2 devices
Apple TV 4 (2015) and HomePod mini

📱iOS 15.1 - 19B74 has been released for 79 devices
iPad Mini 5 (WiFi), iPad Mini 5 (Cellular), iPad Air 3 (WiFi), iPad Air 3 (Cellular), iPad 8 (WiFi), iPad 8 (Cellular), iPad 9 (WiFi), iPad 9 (Cellular), iPad Air 4 (WiFi), iPad Pro (12.9-inch) (5th generation), iPad Pro (12.9-inch) (5th generation), iPad Air 4 (Cellular), iPad Pro (11-inch) (3rd generation), iPad Pro (11-inch) (3rd generation), iPad Pro (11-inch) (3rd generation), iPad Pro (11-inch) (3rd generation), iPad Pro (12.9-inch) (5th generation), iPad Pro (12.9-inch) (5th generation), iPad Mini 6 (Cellular), iPad Mini 4 (WiFi), iPad Mini 4 (Cellular), iPad Air 2 (WiFi), iPad Air 2 (Cellular), iPad 5 (WiFi), iPad 5 (Cellular), iPad Pro 9.7-inch (WiFi), iPad Pro 9.7-inch (Cellular), iPad Pro 12.9-inch (WiFi), iPad Pro 12.9-inch (Cellular), iPad Pro 2 (12.9-inch, WiFi), iPad 7 (WiFi), iPad 7 (Cellular), iPad Pro 2 (12.9-inch, Cellular), iPad Pro (10.5-inch, WiFi), iPad Pro (10.5-inch, Cellular), iPad 6 (WiFi), iPad 6 (Cellular), iPad Pro 3 (11-inch, WiFi), iPad Pro 4 (11-inch, Cellular), iPad Pro 4 (12.9-inch, WiFi), iPad Pro 4 (12.9-inch, Cellular), iPad Pro 3 (11-inch, WiFi, 1TB Model), iPad Pro 3 (11-inch, Cellular), iPad Pro 3 (11-inch, Cellular, 1TB Model), iPad Pro 3 (12.9-inch, WiFi), iPad Pro 3 (12.9-inch, WiFi, 1TB Model), iPad Pro 3 (12.9-inch, Cellular), iPad Pro 3 (12.9-inch, Cellular, 1TB Model), iPad Pro 4 (11-inch, WiFi), iPhone 8 (Global), iPhone 8 Plus (Global), iPhone X (Global), iPhone 8 (GSM), iPhone 8 Plus (GSM), iPhone X (GSM), iPhone XS, iPhone XS Max (China), iPhone XS Max, iPhone XR, iPhone 11, iPhone 11 Pro, iPhone 11 Pro Max, iPhone SE (2020), iPhone 12 mini, iPhone 12, iPhone 12 Pro, iPhone 12 Pro Max, iPhone 13 Pro, iPhone 13 Pro Max, iPhone 13 mini, iPhone 13, iPhone 6s, iPhone 6s+, iPhone SE, iPhone 7 (Global), iPhone 7 Plus (Global), iPhone 7 (GSM), iPhone 7 Plus (GSM) and iPod touch 7

📱iOS 15.1 - 19B75 has been released for 1 device
iPad Mini 6 (WiFi)

📱iOS 15.1.1 - 19J581 has been released for 1 device
Apple TV 4 (2015)

📱iOS 5.5 - 18P4759a stopped being signed for 16 devices
iBridge2,1, iBridge2,10, iBridge2,12, iBridge2,14, iBridge2,15, iBridge2,16, iBridge2,19, iBridge2,20, iBridge2,21, iBridge2,22, iBridge2,3, iBridge2,4, iBridge2,5, iBridge2,6, iBridge2,7 and iBridge2,8

📱iOS 15 - 19J346 stopped being signed for 2 devices
Apple TV 4 (2015) and HomePod mini

📱iOS 15.0.2 - 19A404 stopped being signed for 80 devices
iPad Mini 5 (WiFi), iPad Mini 5 (Cellular), iPad Air 3 (WiFi), iPad Air 3 (Cellular), iPad 8 (WiFi), iPad 8 (Cellular), iPad 9 (WiFi), iPad 9 (Cellular), iPad Air 4 (WiFi), iPad Pro (12.9-inch) (5th generation), iPad Pro (12.9-inch) (5th generation), iPad Air 4 (Cellular), iPad Pro (11-inch) (3rd generation), iPad Pro (11-inch) (3rd generation), iPad Pro (11-inch) (3rd generation), iPad Pro (11-inch) (3rd generation), iPad Pro (12.9-inch) (5th generation), iPad Pro (12.9-inch) (5th generation), iPad Mini 6 (WiFi), iPad Mini 6 (Cellular), iPad Mini 4 (WiFi), iPad Mini 4 (Cellular), iPad Air 2 (WiFi), iPad Air 2 (Cellular), iPad 5 (WiFi), iPad 5 (Cellular), iPad Pro 9.7-inch (WiFi), iPad Pro 9.7-inch (Cellular), iPad Pro 12.9-inch (WiFi), iPad Pro 12.9-inch (Cellular), iPad Pro 2 (12.9-inch, WiFi), iPad 7 (WiFi), iPad 7 (Cellular), iPad Pro 2 (12.9-inch, Cellular), iPad Pro (10.5-inch, WiFi), iPad Pro (10.5-inch, Cellular), iPad 6 (WiFi), iPad 6 (Cellular), iPad Pro 3 (11-inch, WiFi), iPad Pro 4 (11-inch, Cellular), iPad Pro 4 (12.9-inch, WiFi), iPad Pro 4 (12.9-inch, Cellular), iPad Pro 3 (11-inch, WiFi, 1TB Model), iPad Pro 3 (11-inch, Cellular), iPad Pro 3 (11-inch, Cellular, 1TB Model), iPad Pro 3 (12.9-inch, WiFi), iPad Pro 3 (12.9-inch, WiFi, 1TB Model), iPad Pro 3 (12.9-inch, Cellular), iPad Pro 3 (12.9-inch, Cellular, 1TB Model), iPad Pro 4 (11-inch, WiFi), iPhone 8 (Global), iPhone 8 Plus (Global), iPhone X (Global), iPhone 8 (GSM), iPhone 8 Plus (GSM), iPhone X (GSM), iPhone XS, iPhone XS Max (China), iPhone XS Max, iPhone XR, iPhone 11, iPhone 11 Pro, iPhone 11 Pro Max, iPhone SE (2020), iPhone 12 mini, iPhone 12, iPhone 12 Pro, iPhone 12 Pro Max, iPhone 13 Pro, iPhone 13 Pro Max, iPhone 13 mini, iPhone 13, iPhone 6s, iPhone 6s+, iPhone SE, iPhone 7 (Global), iPhone 7 Plus (Global), iPhone 7 (GSM), iPhone 7 Plus (GSM) and iPod touch 7

📱iOS 15.1.1 - 19J582 has been released for 1 device
HomePod mini

📱iOS 12.0.1 - 21A559 has been released for 9 devices
MacBook Air (M1, Late 2020), MacBook Pro (M1, Late 2020), MacBook Pro (M1 Pro, 16-inch, 2021), MacBook Pro (M1 Max, 16-inch, 2021), MacBook Pro (M1 Pro, 14-inch, 2021), MacBook Pro (M1 Max, 14-inch, 2021), Mac Mini (M1, Late 2020), iMac 24-inch (M1, Two Ports, 2021) and iMac 24-inch (M1, Four Ports, 2021)