watchOS 9 may get low-power mode and new atrial fibrillation feature

The Apple Watch may get an always-available low-power mode in the upcoming watchOS 9, which is also expected to expand its existing health features.

Apple is expected to launch watchOS 9 at WWDC in June, and a new report says it will include health and battery-powered features, as well as cosmetic updates to the Watch.

watchOS 9 will introduce a new low-power mode. Currently, the Apple Watch can enter Power Reserve mode at the user's option, and automatically when the battery drops to 10%.

Power Reserve turns off all Apple Watch features except the time. Under watchOS 9, Low Power Mode will allow the Watch to continue running certain apps.

The new mode is likely to be similar to the low-power feature on the iPhone, which, among other things, reduces screen brightness. watchOS 9 may also expand current health features related to atrial fibrillation. While it's uncertain whether this version will be released, when it does it will be used to monitor how often a person is in atrial fibrillation over a specific period of time.

There will be no long-awaited blood pressure monitoring function. However, the new report also claims that Apple will add more workout types to the Apple Watch, as well as additional running metrics.

Apple’s upcoming watchOS 9 is also expected to update many of the current watch faces in some way. Even if Apple does announce watchOS 9 at WWDC, which it almost certainly will, there will inevitably be some features that won't be announced until the "Apple Watch Series 8" launches. Apple is expected to launch three new models in 2022 and retire the Apple Watch Series 3.

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