It's more like 3/4 not halfIf you're waiting, you'll be waiting a while.... just sayin'.
Terraria 1.2.4 on PC released on 8th May 2014.
HALF of 1.2.4 on console released December 2015...
A 1 and a half year difference, and not even the full update yet...
So yeah, it could take over a year, but you never know ¯\_(ツ)_/¯