v0.4.0

• Release date: 2015-10-06
• Fix regression in v0.3.0 where zooms 0 to zoom 8 country and region (state, province) features from OpenStreetMap were dropped from tiles (rolling back a change in v0.2.0)
• Greater diversity of label placements for POIs, landuse, and buildings result in more balanced selection of features visible at mid and high (neighborhood) zooms. The feature's minimum recommended visible zoom is now included as a property (eg: min_zoom=10.7763), useful for determining feature priority in client-side label collisions. Currently visibility should be calculated combined with area filters, we'll move that serverside in later releases.
• Add label positions for water bodies to the water layer noted as label_position=yes.
• Add label positions for buildings to the buildings layer noted as label_position=yes.
• Landuse label positions are now additionally available in the landuse layer directly, noted with label_position=yes.
• WARNING: The existing landuse-labels layer will be depreciated in a later release.
• Add location and layer tags to buildings features in the buildings layer to determine if something is location=underground or layer=-1 (like BART stations in San Francisco).
• Administrative boundary line improvements are back in the boundaries layer: now based on OSM relations, includes localized left- and right-names, and adds maritime_boundary=yes when the boundary is out in the deep sea. Note that this is slightly different than the maritime=yes tag that comes directly from OSM as we're calculating it using a custom spatial mask that will be improved over time.
• Add ferry lines starting at zoom 8 to road layer.
• Add airport runway lines starting at zoom 9 in the roads layer. Can be combined with landuse_kind attributes to throttle visibility.
• Requires: tileserver v0.4.0 and tilequeue v0.4.0 and TileStache v0.4.0