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## Removed
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- `filter_factor` removed from `GDAL` datasource options. This has always been available as a `RasterSymbolizer` property and can continue to be set there.
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## Changed
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- `colorize-alpha` filter now takes a single color argument (rather than requiring more than one) and will use this single color to paint in place of the existing alpha values.
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- Text `label-position-tolerance` is now a `double` rather than `unsigned` (https://github.com/mapnik/mapnik/commit/dcbbcdd8a92d4d27176998d9a90a4c836b5174e2)
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## Deprecated
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- `bilinear8` (raster `scaling` option) is not recommended for use and will be removed at Mapnik 3.x
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## Added
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- `webp` image support. See [[Image-IO]] for more details
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- `scale-hsla` image filter
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- `color-to-alpha` image filter
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- `Map` level `background-image-opacity` and `background-image-comp-op`: https://github.com/mapnik/mapnik/pull/1966
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- `offset` support for `LinePatternSymbolizer`: https://github.com/mapnik/mapnik/pull/1991 |
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\ No newline at end of file |
