v0.2.6

• Add -o drop-table option
• Infer output file type from file name
• Bug fixes

v0.2.5

• Add -o force option to overwrite existing files instead of renaming output files
• Bug fix

v0.2.4

• Add -o precision option for rounding output coordinates
• Add -i /dev/stdin and alias -i - to receive data via stdin (single-file Topo/GeoJSON input only)
• Add -o /dev/stdout and alias -o - to send output to stdout (single-file JSON output only)
• Add support for Travis CI

v0.2.3

• Add -i id-field= option: import Topo/GeoJSON 'id' property to the specified data field
• Extend -o id-field= option to GeoJSON Features (previously TopoJSON only)

v0.2.2

• Update weighting function for weighted Visvalingam simplification
• Add support for loading mapshaper.js with RequireJS
• Improve display of information with -info command
• Add undocumented -dissolve2 command, which can dissolve overlapping polygons

v0.2.1

• Improve performance of -erase when erase layer contains many small polygons

v0.2.0

• New command line syntax
• New -clip and -erase commands
• Many bug fixes