PostGIS 3.0.0 is planned for release early next week. In the meantime you will find Postgis 3.0.0rc1 or rc2 available via yum.postgresql.org, apt.postgresql.org, and EDB Windows 64-bit stackbuilder for PostgreSQL 12.
Continue reading "PostGIS 3.0.0 coming soon - Try 3.0.0rc2 at a package repo near you"