I have been using Opera near 10 years.
But latest incarnation are over my understanding.
Being able to save file under name which makes sense is essential.
Even MS accepts this, not speaking of Mozilla and Chrome, why not Opera?
Another cucumber is Opera favourites - I'm not able to save URL to any Bookmark/Favourites subfolder - usually new bookmark just lands in unsorted area. There is not any functional browse under hear icon, right of address bar.
It looks like new Opera interface is designed a la Windows 8, to be something it isn't for healthy mind.
After near 10 years with Opera I can still play around for a while hoping to understand what is going one but not forever.