Ответ: Помогите настроить Оперу
Display and Scripting
Rendering Engine
Fixed numerous stability issues
Plugged numerous memory leaks
Many performance improvements throughout
Added support for the CSS3 overflow-x and overflow-y properties (demo)
Added support for the CSS3 text-shadow property (demo)
Added support for the CSS3 Selectors (demo)
Added support for the CSS3 outline-offset property (demos)
Added support for the CSS3 background-size property (only accessible via the custom -o-background-size property)
Added support for the CSS3 currentColor color keyword
Added support for the CSS2.1 white-space: pre-line value
Added support for the :-o-prefocus pseudo-class, which allows styling of form elements reached via spatial navigation
Added support for the custom -o-language-string
property for use in User and Internal Stylesheets to allow localized strings in stylesheets
Added support for the custom -o-table-baseline property, used to determine which row of an inline-table will be used as the baseline of the table. The property accepts either an integer or inherit value, where the integer refers to the table row to use as the table's baseline. -1 refers to the last row of the table and -n refers to the nth row from the bottom. If the integer value is 0, the bottom margin edge of the table will be treated as the table's baseline. The initial value is 1. This property only applies to inline-tables
Added support for the label attribute of option elements
Greatly improved table layout algorithm
Major improvements to the shrink-wrapping algorithm
Greatly improved support for the CSS outline property
Support the min-width and max-width properties for elements styled with display: table-cell (such as td and th elements)
Disallow use of percentage width values for the border-width property
Removed support for class selectors starting with a digit in Quirks mode
rowspan=0 is now also supported in Quirks mode
Fixed problem where the :lang() selector did not correctly match the full string
Improved support for @import, @media, @namespace, and @page at-rules
Support the color attribute for hr elements
Updated tabindex attribute handling: any element with a tabindex that is a positive number should be reachable by tabbing. Elements with a negative tabindex should never be reachable by tabbing
Support overflow in inline-table and inline-block elements, which fixes unclickable links and truncated content on Dell.com
Fixed problem where certain MHTML files displayed blank until resizing the page
Fixed redraw problem when reducing the width of td elements via DOM
Support for the display: table-column and table-column-group values on elements other than col and colgroup
Fixed problem with using percentage height on blocks inside table cells
Allow changing the background of input type=image elements
Fixed incorrect use of padding on table elements when setting the border-spacing property and using the separated-border model
Inherit frameset encoding into frame documents, using the same restrictions as used for inline frames
Media queries are now dynamic, allowing them to update when the window size is changed not just when the page loads
Fixed problems displaying full-screen YouTube videos
Fixed problems focusing the message composition area on Gmail
Store the original strings in HTML attributes for use by CSS selectors and DOM
JavaScript/DOM
Rewritten ECMAscript engine, which is more flexible and uses less memory
Added support for JavaScript 1.5 Getters and Setters
Added support for the DOM 3 Core Node.isSameNode method
Added support for the DOM 3 Core Text.wholeText attribute and Text.replaceWholeText method
Added support for the DOM 3 Core Node.compareDocumentPosition method (used by Google Pages)
Added support for the Gecko DOM Range.comparePoint method (used by Google Pages)
Added support for the HTML5 {Document,Element}.getElementsByClassName method
Added support for the HTML5 Navigator.onLine attribute and the Window.{online,offline} events
Added support for the HTML5 Canvas.getImageData and Canvas.putImageData methods, including support for creating an ImageData object using the ImageData interface
Added support for the HTML5 Canvas.transform, Canvas.setTransform, and Canvas.isPointInPath methods
Added support for the HTML5 Element.tabindex attribute and the Element.{blur,focus} methods
Added support for the Microsoft XMLDocument class used for all XML documents (except SVG and XHTML) for cross-browser consistency. The DOM 3 Load and Save Document.async attribute and Document.load method will no longer work in the Document class
Added support for the document.moveFocus{left,right,up,down} methods for directing spatial navigation via JavaScript
Added support for the start and stop methods of marquee elements
Insert em tag instead of i tag when using italic execCommand parameter
Fixed problems changing the font size of textarea elements via DOM
Fixed problem that caused non-breaking spaces to be inserted in textarea elements as seen at Gmail
Corrected name of LSLoadEvent.input attribute (was LSLoadEvent.filter)
Fixed various bugs where mouse events had built-in effects before script event processing was finished (cancelled mousedown should not move focus, blur/focus events caused by mousedown event should be processed after rather than before the mousedown event causing them, and so on)
Stopped showing text nodes in script and style elements when using the Document.all collection
Trigger an onload event for images set to display:none
Fixed canvas locking in the 2dgame context to allow updating when the canvas is locked and fixed the update function to actually work
Disabled Document.length, as it caused problems in the Apple.com CoverFlow demo
Remove the text attribute from the HTMLSelectElement collection
Date.getYear() now returns full year when the year is > 1999 or < 1900 for cross-browser compatibility (despite breaking the JS spec.)
Removed IE-compatibility where Document.getElementById treated name and id attributes the same, which caused problems with jQuery
No longer share events between the Window and Document objects
Fixed problem where the Date method with an out of range day parameter became the current date and other cross-browser consistency issues
No longer create multiple text nodes when there's more than 32KB of data in the text node
Fixed problem changing the type attribute of button elements
Fixed problem where setting the scrollTop attribute for textarea elements didn't scroll the textarea contents
Several fixes to Document.activeElement to make it work more consistently
Give xml tags within HTML documents a documentElement attribute
XMLHttpRequest now resolves URLs according to the HTML base element
Event.keyCode will now return keyboard codes for punctuation keys in addition to alphanumeric keys, which fixes issues with keyboard navigation at Gmail
Fixed problem displaying maps on theaa.com caused by scrollTop working on both the html and body element simultaneously
document.body.{clientHeight,clientWidth} and document.documentElement.{clientHeight,clientWidth} now return the correct values in Strict mode, which fixes issues with Novell GroupWise
Made event capturing more cross-browser compatible: No longer capture load events if listener is attached to the window and fire capturing events at target; attach listeners to the document object if you need to capture load events from within the document
No longer lose the value of an input element created via DOM when changing the type attribute, which caused problems when editing del.icio.us bookmarks
References to undefined variables as a single statement will now correctly throw an error
Added support for the CSSOM ElementLayout.{getClientRects,getBoundingClientRect} methods (demos)
For scrollWidth and scrollHeight on the html element, return the size of the html element instead of the size of the document (viewport)
Fixed problem where onmouseout event did not fire if an element's innerText changed while it was being hovered
Corrected return value of getComputedStyle and currentStyle
Encode attribute values in innerHTML as required by HTML5
SVG
Added partial SVG Tiny 1.2 support
Added support for using SVGs in img elements and the CSS background-image and list-style-image properties
Added external reference support for SVGs
Use Opera to render SVGs embedded using the embed element, not just the object element
SVGs can now be used as the source for canvas drawImage and createPattern operations
Rich Text Input
Use line/paragraph breaking in rich text editor: Enter should insert block-break (new paragraph) and Shift+Enter should insert line-break (br element)
Improved handling of inserted and removed elements
Other
Fixed numerous inconsistencies and specification violations in the SVG, DOM, WML, Web Forms 2.0, XPath, and XSLT implementations
Added support for UAX #14 Line Breaking Properties and UAX #29 Text Boundaries annexes
XSLT document() function will no longer cause an XSLT processing error if it is not called
Enabled RTL support in text inputs (including Opera Mail) and form elements
Fixed problem where the HttpURLConnection Java object did not support getHeaderField and getHeaderFieldKey
Allow installation of certificates that generate warnings
Always obey server-set Expiry header
Security
Disabled SSL v2 and weak ciphers
Miscellaneous
New internal page, opera:historysearch, which searches the content of visited pages
.........
всё не влезло, остальное на офсайте
http://www.opera.com/docs/changelogs/windows/950b1/