what has been changed obverse and reverse sides of banknotes in denomination of 5 Lari and why?

The front side of the banknote features Ivane Javakhishvili Tbilisi State University building for more sense load and Ivane Javakhishvili portrait has been changed by improved relief quality and volume, which allows for easier identification of denomination of the banknote. 

The back side features Niko Pirosmani’s paintings “A Fisherman in a Red Shirt” and “Threshing”, to retain the theme of 1-lari banknote, also the Coat of Arms of Georgia has been added (as the mandatory attribute for Georgian currency notes).