On July 23, Apple rolled out the fourth beta update for iOS 26 and iPadOS 26 to developers, mirroring the public beta version. This iteration arrives roughly 15 days after the previous release, carrying an internal build number of 23A5297i. The latest version introduces subtle enhancements to the liquid glass effects within apps like Photos and Music, refines the appearance of lock screen notifications, and optimizes the notification summary feature. Furthermore, iOS 26 Beta 4 addresses several lingering issues, such as distorted contact avatars, thereby bolstering system stability. This update sets the stage for a wider audience, bringing the system closer to a state where users can confidently explore and utilize the new features.