id	summary	reporter	owner	description	type	status	priority	milestone	component	version	resolution	keywords	cc
12768	Work on a new layer when upload is in progress	planemad	team	"During large scale imports like the ongoing one in [http://labuildingsimport.com/project/2 LA], uploading large changesets blocks the importer from working on the next task till the upload is finished. This is more problematic over slow networks where the upload can take a few minutes to complete during which JOSM is unusable.

It would be a great productivity boost if JOSM would allow loading data into new layers and working on them in parallel"	enhancement	new	normal		Core