Please comment and advise on my epic alpine road trip - need feedback from Slovenians, Serbians and Croatians

[riccardo brizzi]

Hello all, using the app I planned this epic road trip - would love your views - anything stupid or am I missing something epic close to my route? I am generally OK with the Italian part - but would love feedback from Slovenia Croatia and Serbia

https://www.myrouteapp.com/en/social/route/9137506?mode=share