Su-27KUB new design!?

hi,I found in some Russian sources,a new design for Su-27KUB!there are some differences between the old and the new design as shown:
1-new wind screen,one piece only.
2-new main wheels,such as Su-34.
3-new air intakes shape.
4-larger hump.
5-new fins with extended base.
6-long sting such as Su-34.
and may be there are more information and details in hand of Flanker_man and the others,I’m waiting for replaying.
thanks.