The PostGIS team is proud to announce the release of version 1.5.3. This is a minor release addressing a few issues that have been filed since the 1.5.2 release in addition to fixes that allow it to compile against PostgreSQL 9.1beta.

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A free, 1-day conference in Paris, France, focusing on PostGIS.

The PostGIS team is proud to announce the release of version 1.5.2. This is a minor release addressing a few issues that have been filed since the 1.5.1 release.

• Fix handling of empty geometries
• Improvements to geography methods and indexing
• Fixes to the geography data type that previously errored: ST_DWithin, Analyzing a table
• Fixes to the shp2pgsql utility program and GUI

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The 1.4.2 release of PostGIS is now available. This is a minor release addressing a few issues that have been filed since the 1.4.1 release.

• Fix to allow dumping tables with invalid geometries
• Fixes to install/uninstall scripts
• Fixes to ST_AsSVG, ST_SetPoint, ST_AddPoint, ST_RemovePoint, ST_AsGML, and ST_Line_Substring

The 1.5.1 release of PostGIS is now available. This is a minor release addressing a few issues that have been filed since the 1.5.0 release.

• Fix to allow dumping table with invalid geometries
• Fixes to ST_SetPoint, ST_AddPoint, ST_RemovePoint, ST_AsGML, and ST_Line_Substring
• Fixes for geography features crossing the date line

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The 1.5.0 release of PostGIS is now available. This is a major release adding a significant number of new features including:

• New "geography" type for managing geodetic (lat/lon) data
• Performance-enhanced distance calculations
• GML and KML format readers
• Improved shape loading GUI
• And more!

The 1.4.1 release of PostGIS is now available. This is a minor release addressing a few issues that have been filed since the 1.4.0 release.

• Bug fixes for ST_LineCrossingDirection, ST_Union, ST_MakeLine
• Improved parsing for higher dimensional geometries
• Addressed memory issues with ST_As* functions
• Corrected inconsistent results when using the ~= operator

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The 1.4.0 release of PostGIS is now available. This is a significant release including many performance enhancements, bug fixes, improved internal testing system, more detailed documentation.

• API Stability - new policies surrounding minor releases
• Support for PostgreSQL 8.4
• New methods - ST_GeoHash, ST_LineCrossingDirection, ST_AsGeoJSON, ST_MinimumBoundingCircle to name a few
• Significant performance improvements for many spatial operations, including ST_Union, ST_Intersects, ST_Contains, and ST_Within
• Vastly improved documentation and reference manual
• Improved build system, library structure, debugging framework, unit testing
• More stable support for CIRCULARSTRING, COMPOUNDCURVE and CURVEPOLYGON

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The 1.3.6 release of PostGIS is now available. This release includes several bug fixes and enhancements

• Improved PostgreSQL 8.4 compile support
• New .prj file support with pgsql2shp
• Documentation improvements
• Windows Vista memory bug fix
• Bug fixes with EWKB, shp2pgsql, pgsql2shp, and probe_geometry_columns

The 1.3.5 release of PostGIS is now available. This release is a small bug fix release, including a critical fix for using PostGIS with Mapserver and LINE layers.