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Opera version history Last update: 2013-02-05 This document provides a quick historical reference to Opera versions, release dates, release types, rendering engines, JavaScript engines, user agent/id string formats, features, and improvements. Opera final releases are highlighted in light yellow, with bold text. Versions are hyperlinked to their respective Windows changelog where possible in the 'Version number' column of each table. Important note: For further detailed information, please see the Opera version release changelogs for Mac, UNIX (FreeBSD and Linux), and Windows operating systems at the webpage. Latest Opera features, security, and stability release (final) Opera 12.15: Opera highly recommends all users to update to this latest release. Latest Opera pre-release builds (alphas, betas, lab releases, snapshots) WARNING: These are pre-release builds. Please use them only on properly backed up computers.

They contain the latest changes, but may also have severe known issues, including crashes and data loss situations. In fact, they may not work at all. Opera Next downloads. Archived Opera versions Legacy versions of Opera for Mac, UNIX, and Windows can be found at the. User agent string/id formats Opera user agent string/id formats are described with string order and examples. Opera user agent string/id references: User agent string/id items in descending order Opera versions will use all or some parts of the following user agent string/id items.

Examples of the different types of Opera user agent string/id formats are shown following these definitions. Browser signature: Opera/9.80 Signifies the name of the browser followed by a single digit prefix version number (9) which is used for compatibility purposes. Most browser sniffing scripts are not ready for this change to double digits (Opera '10'), as they detect only the first digit of the user agent string meaning Opera '10' is interpreted as Opera '1' (note that the real version number is provided at the end of the UA string in the examples shown below). This results in sites mistakenly identifying Opera 10 as an unsupported browser thereby breaking server and client-side scripts. Operating system signature Identifies the name and version number of an operating system (FreeBSD, Linux, Mac, Solaris, or Windows). FreeBSD. X11; FreeBSD (version no.) i386.

X11; FreeBSD (version no.) AMD64. Linux. X11; Linux ppc. X11; Linux ppc64.

X11; Linux i686. X11; Linux x8664.

Mac. Macintosh; PPC Mac OS X. Macintosh; Intel Mac OS X. Solaris. X11; SunOS i86pc.

X11; SunOS sun4u. Windows:. Windows NT 6.1. Windows NT 6.0. Windows NT 5.2.

Windows NT 5.1. Windows ME. Windows 98 Security encryption level signature Based on the former security encryption levels set by the Unted States government:. N: Signifies no security encryption.

I: Signifies weak security encryption; formerly meaning 'I'nternational weak encryption for which the U.S. Government will grant an export license. U: Signifies strong security encryption; formerly meaning 'U'.S. Government high-quality encryption that could not be exported from the United States. ISO signature (human language tag) Indicates the human language for which the client (browser) is localized. Rendering engine/number This is the Opera rendering engine name and its version number.

Version/number This indentifies the real version number of this version of Opera. Opera user agent string examples Opera 11.xx versions Opera/9.80 (Windows NT 5.1; U; en) Presto/2.8.119 Version/11.10 Opera 10.xx versions Opera/9.80 (Macintosh; Intel Mac OS X; U; en) Presto/2.2.15 Version/10.10 Opera 9.60 thru 9.64 versions Opera/9.64 (Windows NT 5.1; U; en) Presto/2.1.1 Early versions of Opera thru the 9.52 version Opera/9.50 (X11; Linux x8664; U; pl) Technical resources External hyperlinks to Opera articles and specifications provide further reference.

Opera development Quick pick Navigation is provided to each Opera series and version. HTML5 parser. Improved HTML5 media support. DOM API for HTML5 microdata. HTML5 custom scheme and content handlers. ECMAScript 5.1.

Opera Version History

Improved support for XMLHttpRequest Level 2. Full support for radial-gradient. Support for font-relative length rem. Support for the image-rendering property 2011-11-10 Beta Tunny Opera Presto 2.10 Carakan 2011-10-19 Security & Stability Swordfish Opera Presto 2.9 Carakan 2011-08-31 Security & Stability Swordfish Opera Presto 2.9 Carakan 2011-06-28 Final Swordfish Opera Presto 2.9 Carakan. New features:. Opera Presto 2.8 rendering engine.

Old Versions Of Opera For Pc

Plug-in installation wizard (Windows). Added Search field to error pages. Added support for SOCKS Protocol v.5. Opera CSS cursor property values:. 'zoom-in'. 'zoom-out'.

User JavaScript:. Added event: BeforeCSS. Added event: AfterCSS. URL Filter API for Opera extensions. WebP.

W3C CSS Multi-column Layout. W3C CSS Device Adaptation (viewport). W3C CSS3 Gradients (partial support). W3C Web Open Font Format (WOFF). W3C File API (partial support).

Opera Old Version

Improvements:. Address field. Auto-update.

Carakan JavaScript engine. Mail panel. Plug-in loading.

User JavaScript 2010-11-23 Beta Kjevik Opera Presto 2.7 Carakan 2010-10-21 Alpha Kjevik Opera Presto 2.7 Carakan Opera 10 series Version number Release date Release type Project name Rendering engine JavaScript engine 2010-10-12 Security Evenes Opera Presto 2.6 Carakan 2010-09-09 Security Evenes Opera Presto 2.6 Carakan 2010-08-12 Security Evenes Opera Presto 2.6 Carakan 2010-08-03 Lab release Evenes Opera Presto 2.6 Carakan 2010-07-01 Final Evenes Opera Presto 2.6 Carakan. New features:. Presto 2.6 rendering engine:. Geolocation services. Microsoft launches free onenote for mac. Offline Web Applications. Web Workers.

WebM 2010-06-23 Security Peregrine Opera Presto 2.2 Futhark 2010-06-21 Security Evenes Opera Presto 2.5 Carakan 2010-06-16 Beta Evenes Opera Presto 2.5 Carakan 2010-05-31 Alpha Evenes Opera Presto 2.5 Carakan 2010-04-30 Security Evenes Opera Presto 2.5 Carakan 2010-04-27 Stability Evenes Opera Presto 2.5 Carakan 2010-03-22 Security Evenes Opera Presto 2.5 Carakan 2010-03-02 Final Evenes Opera Presto 2.5 Carakan. Feature: Opera Widgets for Desktop. Widget management and lifespans are separated from the Opera desktop browser. New feature: Opera Unite.

Opera Unite gives you the power to connect with others directly and to collaborate and share information from your computer without storing any data on external servers.