Apple has released the fourth developer beta of iOS 26.4, continuing testing of the upcoming iPhone software update as the company moves toward a public release. The build focuses primarily on bug fixes, performance improvements, and final refinements, while the broader iOS 26.4 update introduces several new features across Apple Music, messaging, security, and system apps.
Developers can download the update through the Software Update section in Settings. The release arrives roughly a week after the previous beta, signaling that the update is approaching the final stage of testing.
Apple Music Gains AI Playlist Tools and New Interface
One of the most visible changes in iOS 26.4 is a redesigned Apple Music interface for albums and playlists. The updated layout emphasizes full‑screen artwork and simplified navigation for browsing music collections.
Apple Music also introduces a feature called Playlist Playground. The tool uses AI to generate playlists based on a text prompt, allowing users to describe a mood, activity, or theme and receive a generated song list.
Another addition is a Concerts Near You feature that highlights upcoming live shows based on a user’s listening history and location.
Apple Testing End‑to‑End Encryption for RCS Messaging
Apple is also testing end‑to‑end encryption for Rich Communication Services (RCS) messaging. RCS is the modern messaging protocol designed to replace traditional SMS and MMS.
The encryption testing includes conversations between iPhones as well as messages sent between iPhone and Android devices. Once fully implemented, the change would extend stronger message security to cross‑platform conversations.
Podcasts App Expands Support for Video Shows
The Podcasts app is gaining native video podcast support. The update allows creators to publish video episodes directly within Apple Podcasts while keeping compatibility with existing features such as recommendations and editorial curation.
Video podcasts will also support monetization tools available within the Podcasts ecosystem.
New System Features and Security Changes
Several smaller system‑level changes are included across the iOS 26.4 beta cycle.
Apple has enabled Stolen Device Protection by default in certain cases, expanding protections designed to prevent unauthorized access to sensitive data if a device is stolen.
The update also introduces a new ambient music widget and adds an average bedtime metric in the Sleep app for improved sleep tracking insights.
Developers can now view Personal Hotspot data usage on a per‑device basis, giving users more detailed insight into how connected devices consume mobile data.
Adds New Emoji Characters
The fourth beta introduces several new emoji characters based on the Unicode 17 update. New additions include a trombone, treasure chest, distorted face, Bigfoot‑style creature, fight cloud, orca, and landslide symbol.
Apple also added new skin tone variations for the people wrestling and dancers with bunny ears emoji, along with a gender‑neutral option for the ballet dancer emoji.
Apple typically introduces new emoji during spring software updates after the Unicode Consortium finalizes the standard.
Regional Policy Changes Under Testing
The iOS 26.4 beta cycle also includes policy‑related changes. In the United Kingdom, Apple is testing new age‑verification requirements for certain app downloads and purchases in the App Store.
These changes are designed to align with regional regulations affecting digital platforms and youth access to online services.
Beta 4 Focuses on Stability and Release Preparation
While earlier iOS 26.4 betas introduced most of the visible features, beta 4 primarily refines existing additions and addresses bugs. This stage of development typically indicates the software is nearing a release candidate before public rollout.
Apple has not announced an exact release date, but the company confirmed the new features and changes as part of the ongoing iOS 26.4 developer testing cycle.
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