Downloads for either 3.0.2 or 3.1.0 are now available:
https://www.zeek.org/download/index.html
Zeek 3.0.2 addresses several important security issues and bug fixes
as part of the long-term supported 3.0.x branch. Release notes:
https://github.com/zeek/zeek/releases/tag/v3.0.2
Zeek 3.1.0 contains the same bug fixes as were addressed in 3.0.2, but
also has several new features and enhancements. This release also
further advances the Bro-to-Zeek renaming process by removing some
backwards-compatibility mechanisms and deprecations. Release notes:
https://github.com/zeek/zeek/releases/tag/v3.1.0
This blog post also has further information regarding the releases: