Here's the day 6 updates, the earnings of the higher tier birds has been reduced to account for the fact that your other aviaries now earn when they're not in focus:
Other aviaries now earn while you're only at one of them
Fixed issue with play button not working for some users (was an issue with a savefile getting corrupted so certain data will be lost - your aviaries should be untouched though!)
Feeder shouldn't block egg hatching anymore
-Tom