[postgis-devel] PostGIS 2.2.1 released

[Paragon Corporation]

http://postgis.net/2016/01/06/postgis-2.2.1/

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_Removepoints
  * #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]


Download the code:
http://download.osgeo.org/postgis/source/postgis-2.2.1.tar.gz
Documentation in PDF:
http://download.osgeo.org/postgis/docs/postgis-2.2.1.pdf
Documentation in Html:
http://download.osgeo.org/postgis/docs/doc-html-2.2.1.tar.gz
Documentation in EPUB:
http://download.osgeo.org/postgis/docs/postgis-2.2.1.epub

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

Windows binaries are available for 9.3, 9.4, and 9.5 in the experimental
section

http://postgis.net/windows_downloads/

Installers will be available on Windows Application Stackbuilder and OSGeo
download in about 2 weeks time.

Thanks to everyone who helped with testing and development over this cycle!

Yours,
Team PostGIS