MacOS 13.4

macOS 13.4 (build 22F66) is an update to macOS 13 (Ventura) that was released on May 18, 2023 by Apple Inc.

Development history
The first official developer beta (build 22F5027f) was released on March 28, 2023. The second beta (build 22F5037d) was released on April 11 and introduced an updated method for installing beta software from the Apple Developer program. The third beta (build 22F5049e) was released on the following April 25th. The fourth beta (build 22F5059b) was released on May 2, 2023 and was noted for having networking issues. A release candidate (build 22F62) was released on the following May 9th. A second release candidate (build 22F63) was released on May 11, 2023. On June 5, 2023, a revised build (22F2073) was included with the M2-based Mac Studio, Mac Pro, and 15-inch MacBook Air.