Opera 11 for computers

Opera 11.00, code-named Kjevik, opened the browser to extensions written with web technologies in December 2010, and introduced tab stacking and visual mouse gestures. Opera 11.10 (Barracuda) redesigned Speed Dial, Opera 11.50 (Swordfish) added Speed Dial extensions, and Opera 11.60 (Tunny) brought a new HTML5 parser and a new Opera Mail.

Code names: Kjevik (11.00–11.01), Barracuda (11.10–11.11), Swordfish (11.50–11.52), Tunny (11.60–11.64)

What was new

• Extensions (.oex), installed from addons.opera.com (11.00)
• Tab stacking and visual mouse gestures (11.00)
• New Speed Dial, WebP and WOFF (11.10)
• Speed Dial extensions and password synchronization (11.50)
• Ragnarök HTML5 parser and new Opera Mail layout (11.60)