The Web streams spec requires promise creation at numerous points — often in hot paths and often invisible to users. Each read() call doesn't just return a promise; internally, the implementation creates additional promises for queue management, pull() coordination, and backpressure signaling.
It still comes in 11-inch and 13-inch sizes and otherwise looks identical to the previous generation. The only other significant change is the switch to Apple's N1 networking chip, which rolled out in the iPhone 17 and iPad Pro last fall. This is Apple's home-brewed Wi-Fi and Bluetooth chip, which supports the latest Wi-Fi 7 and Bluetooth 6 standards, not to mention Thread support for smart home control. It also has Apple's custom C1X modem on the cellular models, meaning sub-6 5G support that's more energy efficient than the modem inside the previous iPad Air.
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