Igeekphone reported on March 3rd that Apple has today released the iOS/iPadOS 26.4 Developer Preview Beta 3 update for iPhone and iPad users (internal version number: 23E5223f). This update was released 7 days after the last Beta/RC version.
How to upgrade iOS / iPadOS / watchOS / macOS development and beta versions?
• Public Beta Version: You need to register for the Apple Beta Software Program, then upgrade through [Settings] [General] [Software Update] [Beta Update];
• Develop the preview version: You need to register for the Apple Developer Program and then upgrade via [Settings] [General] [Software Update].
Attached is the comprehensive collection of Apple iOS / iPadOS / macOS firmware downloads and update logs:
“Apple iOS / iPadOS / macOS Firmware Downloads / Update Log Collection”
As an important update for iOS 26.4 and iPadOS 26.4, this beta version brings several new features to iPhones and iPads. However, no signs of the new Siri functionality were found.
In Apple Music, a new feature called “Playlist Playground” enables users to generate a song list based on any ideas, moods, emotions or activities by simply providing a textual description. Additionally, Apple Music has added the “Concerts Near You” feature to facilitate users in locating local music performances. In terms of interface design, both albums and playlists have undergone a visual refresh, adopting full-screen artistic covers.

Meanwhile, Apple Podcasts is introducing native video podcasting functionality. This will enable podcast creators to more easily produce, distribute video podcast content, and achieve monetization. Video programs will be integrated into the existing features of Apple Podcasts, such as personalized recommendations and curated recommendations for editing.
In the field of communication, Apple is testing the addition of end-to-end encryption support for RCS. This move will eventually provide complete encryption protection for text message conversations between Android and iPhone users. Currently, Apple is conducting encryption tests for RCS communications between iPhone users and between iPhone and Android users.

Other notable updates include: The protection function for stolen devices is now enabled by default; A new ambient music widget has been added; A new average bedtime indicator has been included in the sleep application.
Append the release history of iOS / iPadOS 26:







