As of now (3)
'as of now' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for yet that I've seen before include "Still; however" , "Up till now" , "Although" , "Though; still" , "'But, however (3)'" .)
(Other definitions for upto that I've seen before include "Capable of or engaged in" , "Engaged in - no good?" , "As far as a certain point" , "Occupied with, engaged in (2.2)" , "Motorcade escort" .)