• Added -join calc= option, for many-to-one joins. Provides functions for combining values from multiple source records and assigning the result to a field in the target table.
• Fixed bug that broke the -i name= option when multiple -i commands were given.
• Added more functions for -calc and -join calc= expressions: mode(), first(), last() and collect().
• Added undocumented -data-fill command, for interpolating missing data values by copying from neighbor polygons.