[OSGeo-Discuss] PostGIS 3.0.0 alpha2 released

Regina Obe lr at pcorp.us
Sat Jun 1 21:22:00 PDT 2019


The PostGIS development team is pleased to release PostGIS 3.0.0alpha2.

This release works with PostgreSQL 9.5-12beta1  and GEOS >= 3.6

Best served with PostgreSQL 12beta1.

Details at: https://postgis.net/2019/06/02/postgis-3.0.0alpha2/


Source: https://download.osgeo.org/postgis/source/postgis-3.0.0alpha2.tar.gz

Docs PDF: https://download.osgeo.org/postgis/docs/postgis-3.0.0alpha2.pdf

Docs HTML:
https://download.osgeo.org/postgis/docs/doc-html-3.0.0alpha2.tar.gz

NEWS: https://git.osgeo.org/gitea/postgis/postgis/raw/tag/3.0.0alpha2/NEWS

Key changes since the 3.0.0alpha2 are as follows:

#4044: Fix selectivity issue with support functions. (Paul Ramsey)
This resulted in significant improvement in leveraging parallelism for
PostgreSQL 12
NOTE: You need to be running PostgreSQL 12beta1 to take advantage of this.

#4311: Make wagyu the default option to validate polygons. 
This option requires a C++11 compiler and will use CXXFLAGS (not CFLAGS). 
It is only enabled if built with MVT support (protobuf) and should speed up
mvt tile generation
Add --without-wagyu to disable this option and keep the behavior from 2.5
(Raúl Marín)

4198, Add ST_ConstrainedDelaunayTriangles SFCGAL function (Darafei
Praliaskouski)
Note you need to do: CREATE EXTENSION postgis_sfcgal;
To have the new function available.

Please test and report back with any issues.

Thank you,
PostGIS Development Team









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