In Pictures: 10 things you need to know about Oper...
New extensions format incompatible with the old
Opera Next 15 uses Chromium’s extension model. So extensions that originally ran on older versions of Opera are incompatible with this newest browser. Opera Software has been encouraging Opera developers to rewrite their old extensions to the new format by providing them with tutorials and a converter tool.
In Pictures: 10 things you need to know about Opera Next 15