v3.1.0

• topojson.feature now accepts a string name as the second argument.

v3.0.1

• Fix for empty polygons in multipolygons in topojson.merge.

v3.0.0

• Change topojson.bbox to return a new bounding box rather than modifying the topology.
• Change topojson.quantize to return a shallow copy rather than modifying the topology.
• Allow topojson.quantize to take an optional transform object.
• Change topojson.transform to return a new point, rather than modifying it.
• Change topojson.untransform to return a new point, rather than modifying it.

v2.1.0

• Add topojson.bbox.
• Add topojson.quantize.
• Add topomerge.
• Add topoquantize.
• Fix topojson.feature to preserve bounding boxes (#5).
• Improve error handling in topo2geo.
• Improve tests and the README.

v2.0.1

• Fix argument parsing of implied object names in topo2geo.

v2.0.0

• Add topojson.transform.
• Add topojson.untransform.
• Move topojson.presimplify to topojson-simplify.
• Replace topojson-geojson with topo2geo.

v1.8.0

• Add topo2geo.

v1.7.0

• First release extracted from topojson; backwards-compatible with 1.6.27.