macOS Catalina build 19A573a
| Build of macOS Catalina | |
 | |
| Architecture | x64 |
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macOS Catalina build 19A573a is the official beta 9 build of macOS Catalina. It was released to Apple developers on 23 September 2019.
| Build of macOS Catalina | |
| |
| Architecture | x64 |
|---|---|
| Compiled | |
| Timebomb | |
| Works in | |
macOS Catalina build 19A573a is the official beta 9 build of macOS Catalina. It was released to Apple developers on 23 September 2019.