id	summary	reporter	owner	description	type	status	priority	milestone	component	version	resolution	keywords	cc
22271	Add support for geojsonl an optimized format for large geographic datasets	anonymous	team	"JOSM support geojson. I'd like to recommend that it also support loading geojsonl. A geojsonl apparently is less memory intensive than a plain geojson. 

Check out the article https://www.interline.io/blog/here-cli-supports-geojsonl/ for more info on geojsonl.

"	enhancement	closed	normal		Core geojson		duplicate