v0.6.20

• Added "Snapshot file" export option to web UI.
• Updated the layers menu in the web UI.
• Use more compression when exporting snapshots via export menu or -o command.

v0.6.19

• Added support for a new file format (.msx) for saving and restoring mapshaper sessions.
• Added a web UI widget for working with session snapshots.

v0.6.18

• Fix for bug preventing some zipped Shapefiles from being imported in the web UI.

v0.6.17

• Commands -require, -run, -define can now be used before data is loaded.

v0.6.16

• Added support for saving output files to a user-selected directory in the web UI, if supported by the browser.
• Added support to the web UI for reading and writing gzipped (.gz) files.
• Improved support for .zip and .gz files in both web and cli programs.
• Minor update to dbf text encoding detection.

v0.6.15

• Added support to the CLI for reading .kml and .kmz files.
• Added support to the CLI for writing .kml files.
• Added support to the web UI for writing .kml files.

v0.6.14

• Added support to the CLI for reading and writing .zip files.

v0.6.13

• Gzipped output is inferred if output filename ends in ".gz".

v0.6.12

• Support for reading larger .gz files (up to 2GB unzipped GeoJSON and CSV files).

v0.6.11

• Added support to the CLI and Node interface for reading and writing gzipped files with the .gz extension.