Apple has released macOS Ventura 13.4 RC 3 to developers for testing. The build number is 22F63, one up from the first release candidate.
macOS Ventura 13.4 includes several enhancements and bug fixes. You can check them out in the full release notes here.
Apple notes Xcode 14 beta is required to build apps on Macs running macOS 13 beta. To build apps using Xcode 13, you can create a separate volume and run macOS 12 on your Mac.