I still have problems since Sunday's maintenance:
1/ extremely slow loading of 'gifts' window (a number of minutes).
2/ gifts appear to send, but name of recipient remains as bottom name on list (i.e.gift has not 'sent').
3/ neighbours list extremely slow (as 1/ above).
4/ selected neighbour's isle is extremely slow to load.
5/ posting on neighbours' walls extremely slow with intermittent erroneous message that an Internet connection is required.
6/ loss of continuity (e.g. Planting food which, on return to game, has not been planted).

Last night (Tuesday 05 Nov GMT time zone) visiting and commenting on 15 nbrs walls took 80 minutes.
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Info:

iPad 2.
Game deleted/reinstalled twice - Mon.04 and early hours of Wed.06 (today) with no improvement of performance.
Game version 1.7.
Playing via wi-fi.

Additional:-
Intermittent similar difficulties as those listed above with Castle Story.