Superduper! 3.6 Apr 2026

: Resolved critical issues where the previous version (v3.5) would fail on macOS 12.3 due to changes in Apple's asr (Apple Software Restore) utility.

SuperDuper! 3.6 continues to offer the foundational features that define the software: Shirt Pocket SuperDuper! 3.6

Resolved a crash occurring on macOS versions earlier than 10.14 Mojave when using "new-style" serial numbers. : Resolved critical issues where the previous version (v3

: Significantly improved the speed of Smart Update , particularly when pruning and cleaning up folders with fewer files. : Significantly improved the speed of Smart Update

: Enhanced functionality for Macs with M1/M2 chips, ensuring stable OS replication and bootability.

SuperDuper! is a disk copying program designed to create fully bootable backups of macOS volumes. Version 3.6 was a critical update specifically engineered to maintain compatibility with and address changes in Apple's system architecture. Key Features and Improvements in Version 3.6