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Ten months after the 3.0.0 release, version 3.0.1 of GEOS, the Geometry Engine Open Source, is now available. The short changelog can be found here on the geos-devel list. GEOS is still in incubation at the OSGeo.
Related recent news include a request for sponsorship for GEOS to make PostGIS must faster for certain buffering operations (more info here). Here’s a post on the “prepared geometry” to make PostGIS/GEOS much faster for spatial joins.