These contents were on clannad forum, i just copy them here. There are contents that we still missing.
1) Stage equip got new stats ( AFD, AEH, AWD )
2) Bonus set for all chars now
3) NEW STAGE ( PET RACE ) Can only enter at specific time like fishing event.
Overall view
Owner are lock in cages
You have to cheer ur pet to run
Winner get reward ( collect 250 to exchange for pet item
4) Diana became pet ( i guess is a reward for winning pet race )
5) New Myth Island ( help all 6 gods fight )
6) Coc 61-70 ( only allow u to ress 5 times )
7) MIGHTY BIG HEAD for new characters ( lol at yuki)
Old cs are back!(available for deir, iris, etc