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update CHANGELOG for mapnik v2.2.0 release

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Dane Springmeyer 2013-06-03 18:28:47 -07:00
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CHANGELOG.md
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@ -8,9 +8,9 @@ For a complete change history, see the git log.
## 2.2.0
Released ---
Released June 3rd, 2013
(Packaged from ---)
(Packaged from 9231205)
Summary: The 2.2.0 release is primarily a performance and stability release. The code line represents development in the master branch since the release of 2.1.0 in Aug 2012 and therefore includes nearly a year of bug-fixes and optimizations. Nearly 500 new tests have been added bring the total coverage to 925. Shapefile and PostGIS datasources have benefited from numerous stability fixes, 64 bit integer support has been added to support OSM data in the grid renderer and in attribute filtering, and many fixes have landed for higher quality output when using a custom `scale_factor` during rendering. Critical code paths have been optimized include raster rendering, xml map loading, string to number conversion, vector reprojection when using `epsg:4326` and `epsg:3857`, `hextree` encoding, halo rendering, and rendering when using a custom `gamma`. Mapnik 2.2 also compiles faster than previous releases in the 2.x series and drops several unneeded and hard to install dependencies making builds on OS X and Windows easier than any previous release.