iOS 26.3 was a decidedly small update. It introduced a new tool to transfer data to Android, and gave some iPhones the ability to hide precise location data from cellular networks. But beyond some other small changes and security patches, that’s all there was to write home about. iOS 26.4 is a different story. The update, which is currently in beta testing, adds a number of interesting new features to compatible iPhones, especially if you’re an Apple Music user.
As with all beta software, iOS 26.4 is currently in testing, which means these features are subject to change at any time. It’s possible some won’t make it to the official release of iOS 26.4, while others could look different than they do now. While you can install the iOS 26.4 beta at any time by enrolling your device in the beta program, do so at your own discretion. I’d recommend using a secondary device to test this software if you can, but either way, make sure the device in question is fully backed up to a computer before installing the beta.
Playlist Playground lets you generate playlists with AI
The latest trend in streaming services seems to be AI-generated playlists. YouTube Music recently rolled out the option, while Spotify offers a couple different takes on the feature. The idea is to tell the AI what type of music you want to listen to, whether that be a specific artist or genre, or just a concept or mood (e.g., “Make me a playlist for drinking coffee on a lazy Sunday morning”).
Now Apple Music is the latest service to introduce such a feature. The first iOS 26.4 beta comes with “Playlist Playground,” which works about how you’d expect. You tell Apple Music’s AI what you want to hear, and it generates a playlist with 25 different songs. You can adjust the playlist if you don’t like the result, as well as edit the title, cover image, and description.
Apple Music gets a visual overhaul
In addition to Playlist Playground, Apple Music’s UI is also changing in iOS 26.4. You’ll see new full-page artwork when listening to music, as well as redesigned albums and playlists that adjust their colors based on the artwork. Plus, there’s now a “Concerts Near You” feature that helps you find shows in your area, based on the music you like to listen to.
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iOS 26.4 finally introduces end-to-end encryption for RCS
RCS support is the best thing to happen to the iPhone in a long time. It makes texting Android users about the same as texting iPhone users, which has not been the case for most of iMessage’s history. But while most of the standard perks rolled in with the update, including functioning group chats and high-quality image sharing, one key feature did not: end-to-end encryption (E2EE).
Without (E2EE), your messages can be intercepted and read by those with the skills to do so. With E2EE, they cannot. It’s a major security feature that’s key to both iMessage and RCS, and one of the reasons you shouldn’t send messages over SMS, as it doesn’t support E2EE. Not all Android setups support E2EE over RCS, but it’s still a bummer that the iPhone’s Messages app doesn’t either.
What do you think so far?
That’s now changing. With the first iOS 26.4 beta, Apple is now testing E2EE for RCS. You’ll find the option in Settings, though Apple notes that not all devices or carriers support it. Someday soon, however, iPhone users texting Android users over RCS will be able to enjoy the added security benefits of E2EE.
Apple changed how you choose wallpaper packs on iPhone
With iOS 26.4, Apple changed the Wallpapers settings menu. Before, you could select from pre-downloaded wallpaper packs on your iPhone; now, you can choose which packs you want to download instead. It’s a small change, but an interesting one at that. It seems Apple doesn’t want to assume you’re interested in all of its wallpaper options anymore, and instead would rather pick and choose the ones you want to try. Apple also made similar changes to picking watch faces in the Apple Watch app.
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Your iPhone’s Reminders now has an “Urgent” section
If you ever label reminders as “urgent” on your iPhone, you’ll find them in a new location. Now, when you open Reminders, you’l find an Urgent section, alongside other options like Today, All, and Scheduled.
macOS 26.4 introduces a Charge Limit feature on Mac
While this isn’t an iOS feature, it is a key new change in the first macOS 26.4 beta. Apple is now testing a “charge limit” feature on Mac, similar to the charge limit feature that already exists on iOS; when your device is plugged in for a long period of time, it will limit how much the battery can charge to. You can set the cap as low as 80%, or as high as 100%. The idea is, by limiting the charge level, you reduce how often the battery completes a full charge cycle, which can prolong its lifespan and delay aging. The “younger” your battery is, the longer it’ll last between charges, so enthusiasts like to use these features to maximize how much battery life they can get out of their devices.
