Opera, an Internet browser developed by Opera Software that provides support for RSS feeds, BitTorrent, IRC chatting, contact management, and many other features, is now at version 12.13 RC1.
Opera Software has released the first snapshot version from the upcoming 12.13 branch of Opera. Highlights of Opera 12.13 RC1:
• Performance improvements for the address field drop-down have been implemented;
• New partner content is now available for the browser;
• New images now load properly after navigating back on sites that use HTML5 History API;
• Directive prologue is now detected when it's the only content of the function-body;
• addEventListener() for same listener twice no longer breaks the order;
• Various stability improvements have been implemented.
Check out the changelog for a complete list of updates and bug fixes. Download Opera 12.13 RC1
right now from Softpedia. Remember that this is a development version and it should NOT be installed on production machines. It is intended for testing purposes only.