https://dev.opera.com/articles/extensions-opera-mobile-labs/
It's a 3 year old build, you don't expect them to fix it, right? It was just a concept build and not something meant to be used on a daily basis and surely not until today.
i expect they fix it , i use this concept build two yars , and now it doesn't work , they fixit opera clasic , why do not they fix this version