One of the Devs stated that they plan to correct the medal issue "early this week" (in fact he said last week "early next week").
This may be later today.... or be postponed.
The Donate/Receive counts seem to be correct. It shows donated/received since you (last) joined the squad. A donated/received "since start of account" wasn't announced so far IIRC.
This all is for the Android/IOS version of the game. Windows is updatewise a completely different story...