After a period of beta testing, Philips Hue customers can now take advantage of HomeKit's new Adaptive Lighting feature in the company's smart Ambiance lighting products.

According to the Dutch blog iCulture, a firmware upgrade version 1941132070 or higher is required to enable HomeKit adaptive lighting support for White and Color Ambiance smart bulbs and White Ambiance lamps in all shapes. Open the Hue app on your iOS device and choose Settings. Now tap Software Update, then choose Update to update your Hue Bridge.

Then open the Home app and tap a banner that displays the Philips lights that now work with Adaptive Lighting, and then choose the specific lights for which you want to enable the feature.

Adaptive Lighting is a new HomeKit feature that was introduced alongside iOS 14, iPadOS 14, watchOS 7 and macOS Big Sur earlier this summer. With Adaptive Lighting, your HomeKit bridges automatically adjust the color of accepted bulbs based on criteria such as warmer light in the morning and less blue light in the evening.

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This allows you to relax in the morning with warmer colors, stay focused at noon with cooler colors, and relax at night by eliminating the blue light, with subtle transitions between changes.

It's basically Night Shift for smart lighting.