This mainly allows to dynamically load the third party libraries needed for converting from/to geojson, so only the needed ones will be loaded.
In the same process, those libs have changed:
tokml => switch to placemarkio fork, more up to date and available as ESM
togpx => switch to geojson-to-gpx, more up to date and available as ESM (note: this lib does not export polygons, because they do not make sense in GPX world, while the previous was converting them as lines before)
This mainly allows to dynamically load the third party libraries needed for converting from/to geojson, so only the needed ones will be loaded.
In the same process, those libs have changed: