PostGIS 2.2.1 Released

Jan 6, 2016 release 2.2

The PostGIS development team is happy to release patch for PostGIS 2.2, the 2.2.1 release. As befits a patch release, the focus is on bugs, breakages, and performance issues. This release includes many fixes for topology, so topology users should give this release special focus.

Bug Fixes and Improvements

#2232, avoid accumulated error in SVG rounding
#3321, Fix performance regression in topology loading
#3329, Fix robustness regression in TopoGeo_addPoint
#3349, Fix installation path of postgis_topology scripts
#3351, set endnodes isolation on ST_RemoveIsoEdge (and lwt_RemIsoEdge)
#3355, geography ST_Segmentize has geometry bbox
#3359, Fix toTopoGeom loss of low-id primitives from TopoGeometry definition
#3360, _raster_constraint_info_scale invalid input syntax
#3375, crash in repeated point removal for collection(point)
#3378, Fix handling of hierarchical TopoGeometries in presence of multiple topologies
#3380, #3402, Decimate lines on topology load
#3388, #3410, Fix missing end-points in ST_RemoveRepeatedPoints
#3389, Buffer overflow in lwgeom_to_geojson
#3390, Compilation under Alpine Linux 3.2 gives an error when compiling the postgis and postgis_topology extension
#3393, ST_Area NaN for some polygons
#3401, Improve ST_Split robustness on 32bit systems
#3404, ST_ClusterWithin crashes backend
#3407, Fix crash on splitting a face or an edge defining multiple TopoGeometry objects
#3411, Clustering functions not using spatial index
#3412, Improve robustness of snapping step in TopoGeo_addLinestring
#3415, Fix OSX 10.9 build under pkgsrc
Fix memory leak in lwt_ChangeEdgeGeom [liblwgeom]

See the full list of changes in the news file and please report bugs that you find in the release.

Binary packages will appear in repositories over the coming weeks as packagers roll out builds.

View all [closed tickets for 2.2.1][1]. [1]:http://trac.osgeo.org/postgis/query?status=closed&groupdesc=1&group=priority&milestone=PostGIS+2.2.1&order=priority