"watchOS 11 May Not Support Apple Watch Series 4"
Apple's upcoming watchOS 11 update is rumored to drop support for the 2018 Apple Watch Series 4, making it the oldest currently supported Apple smartwatch. The full device compatibility list for watchOS 11 is said to include newer models such as the Apple Watch Series 5, 6, 7, 8, 9, SE, and Ultra. Apple is expected to preview watchOS 11 and other next-generation software updates at WWDC on June 10, with the updates likely releasing to the public in the fall.