Each phone number entry at the Call Log section of the app is now completed by an additional supernatural terminal zero.
e.g.
actual phone number:
+380111111111
displayed in Call Logs by MPE:
+3801111111110
Case 1. Numbers which are already presented in the phone book to be displayed with that additional zero but at least under correct caller names.
Case 2. So that's very annoying bug especially for unknown numbers:
After you add such a number in the phone book your call log in the phone appears under its given caller name, but not in the app where it still to remain unknown forever.
p.s. There no such a things where ever noticed with my different android phones or with long ago used Sony Ericsson K750 and so on.