After upgrading to macOS 26.0 Tahoe and Xcode 26.0.1, I’ve noticed an issue with audio playback whenever the iOS Simulator is running.
Device: MacBook Pro 13" (2020, Intel, 16GB RAM, 500GB SSD)
Issue: Any sound played on the Mac (system sounds, music, videos) begins to break/distort once the Simulator is active.
App Sounds: If the app running inside the Simulator plays audio, that audio also breaks/distorts.
Previous Version: This issue did not occur on macOS Sequoia 15 or with Xcode 16. Everything was working fine before the upgrade.