Only, when it's not, an interface that pretends it is doesn't really help... I use the "controls" menu a lot cramming in PLA for cold pull near the boiling point via extruder axis, cool down gradually feeding material, then pull out at 100 °C while heating back again (otherwise it would get stuck and tear). And this works, e.g. I clearly see the channels of a HF-nozzle in the cold pull plus the debris on repeat attempts, getting less and less. 

Slightly OT, but neither firmware nor glossy color brochures guide the user in a direction that would even acknowledge this problem exists.