Opera team is currently working around the clock to complete the upcoming major release of Opera 12 that goes with the codename “Wahoo”. As this article is written, the current build is 1076. So what we can expect from the next Opera 12? According to a member of Opera team, Opera 12 will feature an improvement on the bookmark system where it will appear in the address bar of the browser. This ensures a bookmark can be added and removed on the fly by users.