At WWDC 2025, Apple announced it was replacing the sequential numbering for OS versions and with year numbers. So instead of watchOS 12, I’ve spent the past two weeks with the public beta of watchOS 26. The naming scheme shift is subtle, but helpful — which is how I’d describe the upgrades the new software brings to the Apple Watch. The AI-powered Workout Buddy better contextualizes your Fitness data and an added gesture gives the watch a fun trick that’s actually helpful. Other upgrades — including better smart replies and the Liquid Glass treatment — all combine to make the watch work and look a bit better than it did before. It’s not a game-changing shift, like other OS 26 releases, but it manages to make a great watch a touch better.
Luminous Liquid Glass
Every Apple operating system got the Liquid Glass treatment this year, including watchOS 26. The change is less noticeable on the Apple Watch than on the iPhone or iPad, though. You’ll notice the semi-transparent buttons and flowy movement when entering your password and opening the control center — the icons look like they’re surrounded in little drops of water, which is quite pretty. You’ll see it on the Photos watch face, too, especially if you select the “glass” color for the time readout.
The Liquid Glass treatment for the Photos watch face. (Amy Skorheim for Engadget)
The Smart Stack now has a liminal glow and the app icons are likewise a touch more luminous than before. The effect is subtle and nicely unifies the look of the watch and its companion iPhone. Like all design upgrades, Liquid Glass made me feel like I was using a new watch — though, like everything, the novelty wore off after a week or two.
Revamped Workout app combines AI stats with a DJ
In addition to the Buddy, the Workout app has a new look with icons in each of the four corners of the screen that give you easier access to adjust your data view, play music, set goals and tweak Buddy settings. My favorite new feature is in the music menu and it’s limited to Apple Music for now. If you tap the music icon, you have the option to auto-play music. From there, you can also select “Picked for you” or “Choose media.” The former will select music that matches the type of workout you’re doing and what you like to listen to. As someone who gets derailed from pretty much all my tasks when I have to interact with my phone, I appreciate anything that can make decisions for me and prevent me from reaching for it.
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I was presented with peppy beats that matched the cadence of my run, from bands and artists that were familiar as well as new-to-me selections that fit my tastes. Unfortunately, it didn’t always work correctly. Sometimes I’d get no music, other times the music would play but the Workout Buddy would fall silent. I realize I’m testing a public beta of watchOS 26, so I’m holding out hope the feature will work at launch. Because when it worked, it was glorious.
The new Workout app layout. (Amy Skorheim for Engadget)
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