Detailed changelog of update 1.0.7:
You can now disable automatic nickname synchronization
OutOfRangeException is no longer thrown when a Discord server owner tries to link his Discord account
Fixed a bug with notifications about replies for Support Requests
Mentioning members reporting bugs fixed in that update or suggesting features added in this update:
@DChiuch @Kitty Davis @TheSkyLounge.tv @Morrigan @Cory Fuller @Bryan Parker @Tammy Wagner
I hadn't saw that you had edited your post before I have written a reply for it - nickname synchronization can be disabled now, but unfortunately to prevent invalid application's behavior, bot needs the "Kick members" permission, because there is no option yet to disable kicking members after they unlink their Discord account with IPS account and after you delete their IPS account.