Developers are now able to access to the fourth beta of macOS Ventura 13.3 to test out on their Macs.
Developers signed up for the beta program can pick the latest builds via the Apple Developer Center, or by updating Macs already running beta software. Public beta versions usually arrive a little after the developer versions, and are accessible by the Apple Beta Software Program.
The fourth Ventura beta build number is 22E5246b, up from 22E5236f.
AppleInsider and Apple strongly suggest users don't install beta operating systems or other beta software on "mission-critical" or primary devices, as there is the small chance of issues that could result in the loss of data. Testers should instead use secondary or non-essential hardware and ensure they have sufficient backups of their critical data at all times.