Opera 9.20

Opera is a free Web browser with a pop-up blocker, multiple-window navigation, mouse gestures, keyboard shortcuts, an e-mail client with a spam filter, and integrated search for user security and speed. The cross-platform browser includes IRC-compatible chat, support for RSS newsfeeds, a password manager, and one-click customization and privacy-protection settings.

Features:

New in version 9: Fraud protection, BitTorrent, Add your favorite search engines, Content blocker, Site preferences, Widgets, Improved rich text editing, Thumbnail preview
Efficient surfing: Transfer manager, Tabbed browsing, Password manager, Integrated search, Pop-up blocking, Mouse gestures, Fast Forward, Sessions, Quick preferences, Notes, Voice, Keyboard Shortcuts, Trash can
Security and privacy: Security bar, Encryption, Delete private data, Cookie control
Mail and Chat: Opera mail, IRC chat
Customization: Drag and drop, Skins, Language
Accessibility: Zoom, Text size and colors, User style sheets,
Web development: Standards support, Small-screen mode, Validate code, Toggle graphics and style sheets, Info panel, Reload from cache,
Special: Full-screen mode, Kiosk mode

Changelog:

User interface
- Added support for automatic search from address bar when entering more than one word.
Display and scripting
- Manipulating content inside about:blank will now change the address of about:blank to match that of the manipulating page.
Security
- XMLHttpRequest now treats separate ports on the same server as a different server. Issue reported by Egmont Koblinger.
- Fixed an issue where scripts could continue to run after leaving the page, as reported by Herrmann Manuel.
Miscellaneous
- Multiple stability fixes.
- Added support for the optional "key" in BitTorrent tracker requests.