The follow changes were made with hard forks scheduled to take effect:
0. Sync checkpoint & master server: currently rebuilding blockchain
1. PoW & PoS checking starting at 1481500 (around this Friday night EST)
2. Difficulty adjustment starting at 1482000 (around this Saturday morning EST)
3. Protocol version: 71062, prior version to 71062 shall be disconnected
4. End maintenance mode height: 1481500 (PoW / PoS block reward back to normal)"
so i assume when were end of maintenance mode with no issues joe will tell the exchanges use the software
1480643 is current block recieved so a while to go yet