watchOS had a bumpy first few years. Some poor decisions and perhaps a premature initial launch forced significant design changes to be in order right away. It wasn't until last year's watchOS 4 release that it finally felt like the waters had calmed. Apple seemed to have solidified the brunt of its focus around fitness and audio, while also debuting a healthy backdrop of first-party apps, new watch faces, and machine learning features. The Siri watch face was the big addition for both of those last two categories, and while its initial introduction was underwhelming, the ideas behind it were intriguing. The redesigned Workout and Music apps along with background audio during workouts were excellent additions to the Apple Watch's core foundation. All things considered, Apple pushed a great update last year, and it only got better as the year progressed.

While it didn't ship in time for watchOS 4's launch in September, streaming from Apple Music was released late the next month in watchOS 4.1. The ability to stream music in the background during workouts freed runners and other athletes from being tied to their phones while they exercised. Paired with the redesigned Workout app – which put live statistics front and center while keeping Now Playing and workout controls just a swipe away – watchOS 4 established a truly better fitness experience for Apple's smartwatch.

The audio story that Apple told last year felt much less complete. Despite receiving a significant amount of attention in Apple's marketing efforts, the Apple Watch's music improvements seemed almost strictly geared toward workouts. Background audio was limited to workout apps and withheld from the platform as a whole, the first-party Now Playing screen continued to monopolize possession of volume controls, and the Music app only gave manual access to preselected songs instead of the full music library on your iPhone¹. Audio on the Apple Watch had received some strong improvements, but the scope of those positive consequences felt unnecessarily limited.

Thankfully, Apple seems to agree. This year's watchOS 5 update, released today for all Apple Watches Series 1 and later, fills in the gaps of the watchOS audio feature set. Third-party audio apps can now run in the background, and full audio controls including volume adjustment via the Digital Crown have been made available to them. watchOS 5 also introduces the first-party Podcasts app, which supports automatic syncing of new episodes that you're subscribed to and streaming of any show in the iTunes podcast directory.

Beyond audio, watchOS 5 also builds on the solid fitness foundation with activity competitions, expanded Workout types, automatic workout detection, and advanced running statistics. Siri has continued to receive attention as well, introducing third-party integrations to the Siri watch face and a raise-to-speak feature which truncates the inveterate "Hey Siri" prefix for the first time on any platform. A new Walkie-Talkie app marks the first return to novelty Apple Watch communication methods since Digital Touch, but this time I think Apple might have tapped into a legitimate, albeit niche use case. Top things off with improved notifications, the introduction of web content, and NFC-powered student ID cards and we have a substantial watchOS update on our hands.

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It is difficult to reconcile a critical appraisal of the Apple Watch with the product’s commercial success. To examine the most popular watch in the world¹ and find it wanting seems wrong; yet as Apple’s bombastic smartwatch kicks off its third year, its history implores ignominy.

The integration of hardware and software is a keystone in Apple’s foundation. Every game-changing product they’ve released over the years has used this as a core advantage over the competition. Yet despite the Cupertino company’s proven track record, the last three years of Apple Watch have demonstrated a consistent struggle to get this right.

Apple has certainly iterated on unsuccessful hardware and software ideas in the past, but never quite so publicly. The Apple Watch feels like a device that was rushed a little too early to market. Apple knew that it had something good, but it didn’t yet know which areas the device would really excel in.

One of the most interesting pieces of this product’s story is that all signs point to Apple having gotten the hardware of the Apple Watch exactly right, at least in terms of its direction. The original Apple Watch was underpowered and lacking some technology that Apple simply couldn’t fit into it at the time, but the idea was there. In subsequent hardware iterations Apple has significantly increased the processing power, added vital new sensors, improved battery life, and shipped LTE. In this time the case design has remained unchanged (other than growing slightly thicker), and the input methods have persisted exactly. It may have taken until the latest Series 3 release for Apple to fulfill its initial vision for the Apple Watch hardware, but that vision has remained unshaken since the beginning.

The same cannot be said for the Apple Watch software.

Apple’s smartwatch operating system has had a rocky first few years. watchOS 1 was fundamentally broken in several ways, and probably should never have shipped. watchOS 2 was an attempt to shore up and replace the poor foundations under the hood, but it left the substandard user interface to fester in production for over a year. With last year’s release of watchOS 3, Apple took its best shot at rethinking cardinal pieces of that interface.

watchOS 3 was a huge improvement over the blunders that came before it. As I wrote in my watchOS 3 review last year, Apple did great work with the update to cut away the excess and hone the OS to something simpler and more straightforward. It was a significant course correction which set a far better trajectory, but it didn’t get us all the way there.

In a lot of ways it feels like watchOS 3 was the true watchOS 1. Where Apple left off with the smartwatch operating system last year was really the point where it should have started. Nothing was complete, but almost every piece felt primed for improvement rather than necessitating reinvention. In the wake of that update, Apple has been at a crossroads. With the foundations of watchOS finally feeling solid, Apple could either continue to drive the platform forward, or leave it on a slow-moving autopilot.

Yesterday marked the release of watchOS 4 — our first opportunity to see the hope kindled by watchOS 3 borne out — and I’m pleased to report that Apple has succeeded in maintaining the platform’s momentum. Every area that this year’s update focuses on has seen fantastic improvements, and I’ve found myself interacting with my Apple Watch more than ever before. My only disappointment is that the scope of watchOS 4 isn’t quite as far-reaching as last year’s update.

The big themes of watchOS 4 are fitness and music, and Apple has done some excellent work in these departments. New activity goals, completely overhauled Workout and Music apps, auto-launch of audio apps, a Now Playing Complication, and more are all excellent upgrades. As always there is still room for improvement, but many of these features are making the leap for the first time from options on my Apple Watch which I mostly ignore to real features which I find consistently useful in my daily life.

There’s a lot to dig into here with the choices made and the new features added. Let’s dive in and find out what Apple has in store for the next year of Apple Watch.

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