macOS 28 drops support for encrypted HFS+ volumes

Apple announced that macOS 28 will not support encrypted HFS+ volumes. The change removes compatibility with legacy encrypted HFS+ disks. Apple cites the transition to the newer APFS file system as the reason. Users with encrypted HFS+ volumes will need to decrypt or migrate data. The company provides instructions for converting disks to APFS. The update may affect workflows that rely on older encrypted volumes. Apple recommends backing up data before upgrading to macOS 28. The move reflects a broader effort to streamline storage formats on macOS.