As part of the press release, Opera's CEO, Lars Boilesen, is quoted:
“Keeping in mind the needs and wants of our 50+ million users, we have emphasized speed, desktop-like functionality and data savings in our mobile browsers. Today, we have made it even easier for everyone to surf, search and socialize on the Web.”
At the time of writing, it's not clear whether the new versions are available via the Ovi Store. Although, you can download the latest versions directly to your phone at m.opera.com.