Now, whenever I click "accept" gift, the button & message no longer disappears, nor does the the prompted button to "Gift-Back" appear in the prior button's place...

We've just been testing this here Cassidy and have no problems. Are you still finding this is happening?

It can take a second for the button to change sometimes (depending on internet connection and how busy the game server is at the time). Let us know if you still have problems with it, or if it seems to take too long to change.