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I've been using an Alpha build of Opera 10 Turbo for a couple of months, and can confirm empirically that it's a whole bunch faster than any other browser over my poky rural dialup Internet connection.
Opera 10 beta (codenamed Peregrine) also includes an array of new features, a fresh look by designer Jon Hicks, a more refined feel, enhanced speed and performance, and is available for Mac, Windows, and Linux systems.
New in Opera 10 is a resizable tab bar. Just drag the handle underneath the tabs to reveal thumbnails of your open Web pages. You can now also customize Opera's Speed Dial feature to suit your taste by using the Configure button to choose from 4 to 25 favorite Web sites for quick access every time you open a new tab. You can also add a custom background so you feel right at home (some downloadable alternate Opera skins also include Speed Dial backgrounds).
Web integration
If you use a Webmail service as your default mail client, you can tell Opera 10 to do the same. Clicking on email addresses or the Send by Mail in Opera will open the compose page from your Web mail service provider. The same is true with the Feed reader you can now also add any RSS/atom feed into your favorite online feed reader from within Opera 10.
Resizable search field
Get a clearer view of what you are about to search by simply expanding the size of the search field to accommodate more than two words of space.
40% Faster Engine And Cutting-edge Web Standards Support
Opera's developers have optimized the new Opera Presto 2.2 engine in Opera 10 to be much faster on resource intensive pages such as Gmail and Facebook. In addition, with an Acid3 100/100 score (reportedly the only browser besides Safari 4 to achieve that distinction), Web Fonts support, RGBA/HSLA color and SVG improvements, Opera 10 beta is ready for the next generation of Web applications.
Inline spell-check
Write freely in your Facebook wall, blog or Webmail. Opera 10 beta underlines any misspelled words. By using the Hunspell dictionary format, you can be sure you'll always have the most complete and updated list of all languages.
Auto-update
Opera 10 beta makes it easy to stay up to date with the latest version. With Auto-Update you will be able to choose completely automatic updates or have the option of being notified when an update is ready to install.
Email Client Built In
Opera Mail can now send rich text messages including inline images, styled text, links, and/or custom HTML. You can also choose to have messages deleted from your POP server after a preset number of days, to help you keep control of your hosted server space.
Automated Crash Reporting
Opera is designed to restart and recover all your tabs if a crash occurs. But, now you can easily send us a crash report to help us continue to make Opera the most stable browser around.
Opera Dragonfly evolved
Opera's Web developer debugging tool is now even better, allowing you to edit the DOM and inspect HTTP headers.
New in Opera 10 Beta 1 for Mac:
New and Improved features
Opera auto update (New)
Opera now includes the ability to update itself automatically when new releases become available. By default, Opera will notify the user about available updates. Users can specify that snapshot build releases of Opera should be downloaded by enabling "Download All Snapshots" in opera:config. Users can also choose not to check for updates or to automatically install updates by going to Tools > Preferences > Advanced > Security and changing the "Opera update level" (select box) to the: "Automatically install updates" setting.
Opera crashlogging tool (New)
An integrated user interface for built-in crash reporting has been added to Opera. This feature automatically appears when Opera has suffered a crash and enables a user to easily report the event directly back to Opera.
Opera Dragonfly (Improved)
Additions to Opera Dragonfly developer tools include HTTP header inspection, DOM editing, and automatic selection of the current tab; see this Opera reference.
Opera inline spelling checker (New)
Spelling errors are now indicated as you type via a dotted red underline in all places where you can input text: form fields, Opera Mail compose windows, Notes, Chat, etc. Only single-line text fields do not check spelling automatically. The spelling checker can be enabled/disabled from the context menu (right-click a text field to open this menu). The context menu also includes spelling suggestions, the ability to change dictionary languages, and the ability to select additional dictionaries for automatic download and installation. Opera uses the Hunspell dictionary format, and a US English dictionary is included by default.
Opera Mail
Rich Text Message Composition HTML authoring (New)
Opera Mail can now send rich text messages including inline images, styled text, links, and/or custom HTML. Forwarding and redirecting rich text messages is now available. Rich text composition can be enabled by default for an account on the Outgoing tab of the account settings dialog by checking "Prefer HTML formatting". It can also be enabled on a per message basis in the message composition window. Bold styling, italic styling, and underline styling can respectively be toggled using Ctrl-B, Ctrl-I, and Ctrl-U. Rich text message signatures are not yet supported.
Delete After X Days POP-only (New)
Delete after X days automatically removes messages from POP servers after the specified number of days, which is particularly useful for users who have limited server space. This option can be enabled for POP accounts on the Incoming tab of the account settings dialog by checking "Remove from server after #days" (7 days by default). It is also possible to specify that only read messages and/or only fully downloaded messages should be removed. Warning: Disabling the latter option is dangerous for those that use low-bandwidth mode, as messages that are not completely downloaded will be removed from the server, making it impossible to retrieve the complete message.
Opera Presto 2.2 rendering engine (Improved)
The Opera Presto rendering engine has been updated to version 2.2 further enhancing its reputation for stability and security. It is identified within the user agent string of Opera/9.80 (Windows NT 5.1; U; en) Presto/2.2.15 Version/10.00, which is located in the main Toolbar under Help > About Opera; see this Opera reference.
Opera regular expression engine (Improved)
Opera 10 Beta 1 has an improved and faster regular expression engine that uses a stack-based bytecode instruction set. This type of instruction set is based around a stack of values, where most instructions "pop" input operands from the value stack, process them, and "push" the result back onto the value stack. Some instructions simply push values onto the value stack, and others rearrange the values on the stack. This results in compact bytecode programs with code that is easily generated. It is a typical backtracking regular expression engine, but does some tricks to avoid redundant backtracking. These usually avoid the severe performance issues a backtracking regular expression engine can have on specific regular expressions.
Opera Turbo (New)
This new Opera feature increases your internet bandwidth speed on slow connections using data and image compression technologies. Opera Turbo uses Opera proxy servers to compress the traffic before it reaches the Opera browser on the client's computer; see this Opera reference. Opera Turbo can easily be configured to suit your browsing needs:
- Right click the Opera Turbo icon located on the left side of the Status Bar.
- In the context menu, select "Configure Opera Turbo" to open the Opera Turbo Settings dialog box.
- The following choices can now be made:
- Automatic (radio button): Turbo will enable only if it detects a slow network
- On (radio button): Optimize pages with Turbo so they load faster on slow networks
- Off (radio button): Load pages normally
- Notify me about network speed (checkbox): network speed indicator becomes visible within the Opera Turbo icon on the Status Bar
Opera User Interface
Opera skin elements (New)
New skin elements have been applied to the Opera 10 Beta 1 user interface, and will continue to be added as Opera 10 progresses to its final release; see this Opera reference. Some of these are:
- Etch effects and border inner highlights have been applied giving extra crispness to edges.
- Text Shadow has a new parameter. This was added to reproduce the etched text effect that is standard on OS X and many Windows applications.
- Horizontal and vertical splitters can now be skinned.
Opera Speed Dial configuration options (New)
You can now easily configure how many speed dials will fit comfortably on your Opera desktop. Click "Configure Speed Dial" in the lower-right corner of the Speed Dial page to open the configuration dialog box. Three tools are available:
Background image
Browse to an image you wish to use as the background of your Speed Dial page.
Position this image on the Speed Dial page by selecting center, stretch, or tile.
Layout of your speed dials
Select which dial layout best suits your monitor size:
Small (2 x 2): renders a 4 speed dial grid
Normal (3 x 3): renders a 9 speed dial grid
Wide screen (4 x 3): renders a 12 speed dial grid
Large screen (4 x 4): renders a 16 speed dial grid
Large wide screen (5 x 4): renders a 20 speed dial grid
Extra large screen (5 x 5): renders a 25 speed dial grid
Hide Speed Dial
Unchecked by default, check this box to hide all speed dials.
Opera Tab Bar thumbnails (New)
The Tab Bar can now be used to show all open tabs as thumbnails.
Open the Tab Bar in the Opera user interface:
In the main Opera Tool Bar, navigate to View > Toolbars > Tab Bar.
Click the Tab Bar check box. This opens the Tab Bar in the Opera user interface.
In the Tab Bar, middle-click or double-click the drag bar to fully expand or collapse all open tabs into thumbnails, or
Grab the lower border of the Tab Bar or grab the drag bar and move it down to expand all open tabs into thumbnails; move it up to collapse all open thumbnails back into tabs; slowly expand and collapse the Tab Bar to adjust the tab thumbnails to a size of your choice.
Functional note: The Tab Bar select box is set to "No wrapping" by default (right-click the Tab Bar, in the context menu click "Appearance", "Wrapping" is set to the "No Wrapping" selection). If you change this selection to "Wrap to multiple lines", Tab Bar thumbnails will not function.
Opera "pretty-printing" of unstyled XML (New)
Opera incorporates "pretty-print XML", which is now the default styling for unstyled XML and uses the unstyledxml.css style sheet in the Styles sub-directory of the Opera installation directory.
Web specifications support
Acid3 test
Opera 10 Beta scores 100/100, pixel perfect on the Acid3 compliance test
CSS (Cascading Style Sheets)
Support for the CSS3 color:transparent value has been improved.
Full RGBA and HSLA opacity support is now included for an easier way to make Web page features transparent. This is accomplished by the addition of a fourth argument to HSL and RGB, namely alpha transparency and results in RGBA and HSLA values. See this Opera reference.
Support has been added for the CSS Selectors API. This feature makes the selection of DOM elements a lot simpler. It includes partial support for namespace resolver features which allow you to work with mixed namespace documents and select elements based on their namespace; see this Opera reference.
CSS files must now be served with the correct MIME type ("text/css") in Strict mode, or they will be ignored.
HTML 5 support
HTML 5 algorithms have been implemented for detecting charsets in HTML.
HTML 5 end-tag and start-tag parsing, whitespace parsing, and DOCTYPE parsing have been added.
HTML 5 elements can now export images to the JPEG format.
HTML 5 transforms are applied when building a path, not when painting it.
SVG (Scalable Vector Graphics)
FPS (Frames Per Second) support: Opera enables you to manipulate the speed (frames per second) of your SVG animations using JavaScript by supporting the SVGElement.currentFps and SVGElement.targetFps properties. These properties respectively read and control SVG frames per second; see this Opera reference.
SVG fonts in HTML support: Use SVG font files to style your text using CSS (in both HTML and SVG files); see this Opera reference.
Web fonts support
font specification (@font-face CSS at-rules) with the font-family descriptor
src descriptor with local and remote
TrueType (TTF)
OpenType (OTF)
Scalable Vector Graphics (SVG) font support
Two installer options:
Intel, English
10.0 MB
Universal Binary, English
15.5 MB
For more information, visit:
http://www.opera.com/browser/next/
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Hi, for your some information,
This new Opera feature increases your internet bandwidth speed on slow connections using data and image compression technologies. Opera Turbo uses Opera proxy servers to compress the traffic before it reaches the Opera browser on the client’s computer; see this Opera reference.