What I'm seeing, although I've updated to iOS/iPadOS 17.1.1 is iOS/iPadOS 15.8 on my SE (2016) and iPad 4 Mini. Usually with the Current two versions (iOS17, iOS 16) the last versions would have become unsupported but not this time.
https://support.apple.com/en-sg/HT201222
https://support.apple.com/en-sg/HT201222