Macos High Sierra 10.13.1 Jun 2026

The 10.13.1 version is most notable for a severe security flaw discovered shortly after its release.

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Users of USB-C audio adapters (especially third-party brands) reported up to 300ms of delay in apps like GarageBand and Skype. Apple never acknowledged this, but community testing suggested a driver regression in the CoreAudio stack. macos high sierra 10.13.1

: Reliability for SMB printing was improved, resolving issues where users couldn't connect to shared Windows printers. Performance Tips The 10