id	summary	reporter	owner	description	type	status	priority	milestone	component	version	resolution	keywords	cc
4223	Recognise when downloaded primitives are semantically equal to existing new primitives	mjulius	team	"When an upload gets interrupted or JOSM gets terminated before the data is saved the next update will create duplicates of new primitives and they will be uploaded again as new.

Therefore, JOSM should recognise when downloaded primitives that have not been in the dataset before are semantically equal to existing new primitives and update these with the downloaded id."	enhancement	closed	normal		Core		fixed