In my opinion, this has always been an issue whereas the web client fails to reconnect once the device has gone to sleep. Dave's answer previously was to not let the device go to sleep. But it appears that he has been attempting to work on this issue. Maybe it is an issue with DHCP.
I can play with this in a few days. Got all sorts of devices from IOS 4 to IOS 8 including iPod touches, ipads, iphones, and iphone 6+, etc.
Also have good WIFI coverage in my house with a new 802.11AC router.
Source:
http://ift.tt/Ysdms8