Some Copland Documentation 

Copland was Apple’s failed attempt to modernize the classic Mac OS in the mid 1990s. While parts of it would end up in Mac OS 8, the dream of a modern Mac operating system wouldn’t be realized until after Apple bought NeXT.1

Copland is a really interesting (and sad) chapter in the Mac’s history. Here are some documents I’ve collected over the years about it:

“Mac OS 8 Build D11E4” was a preview build of Copland. It ran on very select hardware, and had to be connected via a serial cable to a Power Mac running a special Debugger program:

Good times.


  1. Something you can read all about in my book.