Not published officially but through website I found some noticeable changes.
AMS : from Mar 28, 0/W->3/W with A332
last year ICN-ZHR-AMS-ICN operated 1/W (2 more ICN-ZRH-ICN), now separated
ZHR : from Mar 28, 2/W->3/W with A332
CDG : from Mar 27, 5/W->daily with B744, seasonally increased
SVO : from Jun 1, 3/W->5/W with A332. seems seasonally increased
LED : from Apr 26, resume 2/W
AKL : from Mar 27, daily->5/W and B744->B772, but OZ will suspend this route, maybe some change gonna happen
SYD : from Mar 27, B744->B772,
SYD->ICN is overnight(1940->0450+1), but from Jun 1, it will be changed to "day" flight(0820->1740)
SFO : from Mar 27, 5/W->4/W
ORD : from Mar 27, 6/W->daily
And travel agencies' web news site(www.traveltimes.co.kr only Korean available) says KE will start to SEA this May, OZ will start ORD this year, but we'll see.