Opera 11.05 has released with code name swordfish, a name of swordfish looks familiar, isn't it ? its remind us with John Travolta film that tells about hacker. Official Opera website said  that, Opera 11.50 swordfish comes with million bug fix and many enhancement, here are Opera 11.50 features taken from it's official page.
  • Interesting downloads functionality, Download files more quickly. As soon as you click a file to save it, the Opera browser starts downloading it, so there is no wasted time. From the Downloads tab, you can keep track of the progress of downloads and even pause and resume them as needed.
  • Opera 11.50 is Fastest JavaScript Browser, The Carakan JavaScript engine has been further enhanced to run more quickly than ever! This makes Opera the fastest browser on Earth in many performance tests, let's prove it !!
  • Enjoy Integrated debugging (Dragonfly vs Firebug), Opera Dragonfly is our integrated debugging environment. Inspect the DOM, CSS, and network traffic and data stores, troubleshoot your JavaScript and take advantage of our unique remote debugging functionality.
  • Non-auto Plug-ins Load, i think this is good feature enough, we don't need plugin like 'flash blocker' anymore because Opera 11.50 will only load plugin when needed. This is helpful to speed up browsing on computers that have difficulty handling lots of plug-in content.
  • HTML5 Support, HTML 5 claimed will run smoothly and perfectly with latest Opera Presto rendering engine.
  • Smooth and Fast Image Rendering, Everything in the Opera browser is drawn on your screen using Opera's high-performance Vega graphics library.
  • Geolocation Support, You can share your location with geolocation-supported websites such as Google Maps. Rest assured that your privacy is a top priority—you will always be prompted before sharing your location.
Install Opera 11.50 on Ubuntu
do you wanna try it, Visit official Opera website to download new Opera 11.05 and taste the new Opera 11.50 latest features.
Install / Upgrade Opera 11.50 via Opera PPA
Opera 11.50 Swordfish also available in PPA, add Opera PPA obove to install / upgrade Opera 11.50 via PPA.
  • wget -O - http://deb.opera.com/archive.key | sudo apt-key add -
  • sudo sh -c 'echo "deb http://deb.opera.com/opera/ stable non-free" >> /etc/apt/sources.list.d/opera.list'
  • sudo aptitude update
  • sudo aptitude install opera