Version 3.5.9 of DropDMG is now available.

DropDMG makes it easy to create a professional disk image for your app. Disk images pack entire folders or disks into a single compressed file, either for transport across the Internet or simply for backup or archival. They are Apple’s preferred format for distributing Mac software and the only archive format whose contents you can directly access in the Mac Finder—no extraction or third-party software required.

Deliver your Mac app on a .dmg file with a software license agreement, a custom volume icon, and a precise icon layout atop a Retina-optimized background picture. Customers can install simply by dragging and dropping the app onto the convenient Applications folder link. Code-sign your .dmg so that macOS knows it can be trusted after download.

This is a free update for owners of DropDMG 3.0 that includes the following enhancements:

• Worked around a bug in macOS 10.15 that could prevent a custom volume icon from being saved.
• Worked around a bug in macOS 10.15 that prevented the Set Passphrase… sheet from working from within the New Blank Disk Image… panel.
• Worked around a bug in macOS 10.15 that prevented licenses from being removed when converting a disk image using license None.
• Worked around a macOS bug that could prevent DropDMG from launching after you used AirPlay.
• Worked around a macOS bug that could cause the Command-line tool to fail with error Killed: 9 after being updated to a new version until the Mac was restarted.
• Fixed a bug where the passphrase sheet could be stretched vertically.
• Modernized the localizations.

DropDMG 3.5.9 works with macOS 10.7 through 10.15. Older versions are available for older operating systems. For information about previous releases of DropDMG, please see the version history.

If you enjoy using DropDMG, please take a moment to review it on the Mac App Store, Product Hunt, or MacUpdate or to mention it on Twitter, Facebook, or your own site. We’d really appreciate it.

Update (2019-11-15): DropDMG 3.5.9 has been submitted to the Mac App Store and is awaiting approval from Apple.

Update (2019-11-15): DropDMG 3.5.9 is now available from the Mac App Store.