Yes. And, according to insiders, pushed back to 2022.I think the reference was to wdwmagic's update:
PHOTOS - TRON Lightcycle Run coaster construction at the Magic Kingdom
PHOTOS - TRON Lightcycle Run coaster construction at the Magic Kingdom
Construction continues on the large steel canopy at the front of the attraction.www.wdwmagic.com
The commentary mentions an orignally intended spring 2021 date.
But Disney could always reverse that decision... unless they truly are leaving the interior of the ride unbuilt for a lengthy amount of time, then, in that case, it will be 2022 since they wouldn't be able to complete it in time for 2021.