OS Compatibility

64-bit Compatibility

Beginning with macOS “High Sierra” 10.13.4, Apple will alert the user when starting a 32-bit application for the first time. More information on this issue is available here.

The following (and all newer) versions of our products are 64-bit ready and compatible with the requirements of macOS 10.13.4 and later:


macOS High Sierra (10.13)

The following (and all newer) versions of our products are compatible with macOS 10.13 “High Sierra”:

Due to compatibility issues in the OS that we have worked around, we recommend against using any version of our products older than those listed above on macOS 10.13. Please make sure that you are running macOS 10.13.2 or later.

As always, we recommend keeping your OS up to date, in order to get the latest fixes and improvements from Apple.


macOS Sierra (10.12)

The following (and all newer) versions of our products are compatible with macOS 10.12 “Sierra”:

Due to bugs in the OS that we have worked around, we recommend against using any version of our products older than those listed above on macOS 10.12.

As always, we recommend keeping your OS up to date, in order to get the latest fixes and improvements from Apple.


OS X El Capitan (10.11)

The following (and all newer) versions of our products are compatible with OS X 10.11 “El Capitan”:

Due to bugs in the OS that we have worked around, we recommend against using any version of our products older than those listed above under OS X 10.11.

As always, we recommend keeping your OS up to date, in order to get the latest fixes and improvements from Apple.


OS X Yosemite (10.10)

The following (and all newer) versions of our products are compatible with OS X 10.10 “Yosemite”:

Due to bugs in the OS that we have worked around, we recommend against using any version of our products older than those listed above under OS X 10.10.

As always, we recommend keeping your OS up to date, in order to get the latest fixes and improvements from Apple.

Note: If you encounter an unexpected dialog while launching BBEdit or TextWrangler on OS X 10.10 “Yosemite”, please click the appropriate link for details.


OS X Mavericks (10.9)

The following (and all newer) versions of our products are compatible with OS X 10.9 “Mavericks”:

Previous versions may be compatible, but have not been tested.

As always, we recommend keeping your OS up to date, in order to get the latest fixes and improvements from Apple.

Note: If you encounter an unexpected dialog while launching BBEdit or TextWrangler on OS X 10.9 “Mavericks”, please click the appropriate link for details.