id	summary	reporter	owner	description	type	status	priority	milestone	component	version	resolution	keywords	cc
23966	MapCSS validator: Turn:lanes:forward and change:lanes:forward with oneway=* tag is marked as a suspicious combination	emrtnsdc@…	team	"https://josm.openstreetmap.de/browser/josm/trunk/resources/data/validator/combinations.mapcss#L316

I can definetly say that turn:lanes:forward and change:lanes:forward are exactly the same as turn:lanes and change:lanes on one-way roads and can be interchanged.

it only becomes a problem when its turn:lanes:backwards and change:lanes:backwards combined with oneway=yes.

I do agree that it is a totally unnecessary suffix, but this in itself should not provoke a suspicious tag.
this list is directly used in osmose."	defect	new	normal		Core validator