Changes in  Opera  Web Browser  12.00   Build   1054  Pre-Alpha:
Core
    * CORE-39767 (CSS 2.1 compliant display:list-item implementation)
    * CORE-39302 (The cache can grow past its limit)
    * CORE-32820 (SVG optimizations)
    * CORE-12447 (overflow: hidden ignored for table-layout: fixed)
    * CORE-17961 (Missing URL in redirection message)
    * CORE-23382 (NFD é rendered incorrectly, and worse in 2.4 than 2.2)
    * CORE-25431 (offsetLeft & offsetTop values are 0,0 for blank anchor tags)
    * CORE-25611 (computedStyle returns an empty string for text-shadow property)
    * CORE-25902 (border-radius doesn't clip replaced content)
    * CORE-26985 (Cursor doesn't change to pointer when hovering links until the page has completely loaded)
    * CORE-27522 (border-radius with different border widths)
    * CORE-28875 (border on inline-table disappears if it has overflow: hidden)
    * CORE-28949 (:target selector applies even after hash removed)
    * CORE-30401 (Initialization of SVG DOM objects different from what the SVG 1.1 second edition mandates)
    * CORE-31539 (overflow: hidden ignored on table if nested descendant width exceeds first cell descendant width)
    * CORE-34305 (svgz files saved as empty)
    * CORE-35190 (CSS: border-radius ignored on fieldsets that have a legend)
    * CORE-35547 (Content of http://www.good.is not displayed, @font-face with floating point number and comma in local())
    * CORE-36266 (Can't post link in orkut message)
    * CORE-36816 (DOM updates during composition causes doubled characters and oddities): unable to use ime on qzone.qq.com
    * CORE-37191 (computedStyle returns an empty string for box-shadow property)
    * CORE-37325 (rx, ry calculations for rect are incorrect according to svg spec)
    * CORE-37340 (Improve GetObjectProperties with regards to complicated properties)
    * CORE-37422 (Recognizing meeting invites .ics)
    * CORE-37452 (When javascript moves focus from input field, it gets empty (elm.focus() will abort ongoing IME))
    * CORE-38132 (0 returned for XHR.status when readyState == 2 (HEADERS_RECEIVED))
    * CORE-38210 (Invalid Link header causes Internal communication error)
    * CORE-38229 (opera:cache is not well laid out)
    * CORE-38771 (Unnecessary bottleneck in certain cases with "overflow: hidden" and CSS transforms)
    * CORE-39072 (Orkut profile picture change still not working)
    * CORE-39098 (Make Math.log() faster)
    * CORE-39112 (Border and overflow affects offset of events)
    * CORE-39380 (Opera doesn't fire events for empty scripts)
    * CORE-39391 (IME position not updated immidiately when text input is changed on getting focus)
    * CORE-39456 (Overflow container with anchor inside table introduces unwanted scrollbars)
    * CORE-39485 (Back button does not load image in reddit pages)
    * CORE-39490 (User initiated click event not handled on file input)
    * CORE-39516 (Drag-to-pan in image viewer only for left mouse button with no modifier keys)
    * CORE-39525 (Set window.event when events occur even if it's rewritten by page scripts): Attachment opening fails in new Hotmail
    * CORE-39547 (DATA_CLONE_ERR uses wrong code (24 instead of 25))
    * CORE-39559 (No data stream sent to invisible windowless plugins): Lytro picture page with focus demos doesn't work
    * CORE-39653 (Support event.isTrusted)
    * CORE-39654 (Native validation messages pops up everywhere (on top of other tabs))
    * CORE-39660 (CSS attribute selections and removeAttribute() regressed - removeAttribute() no longer triggers reevaluation of selectors?)
    * CORE-39722 (JSON.stringify number with single digit string produced not equal to . string literal)
    * CORE-39755 (Radio button group with attribute "form" doesn't work properly)
    * CORE-39803 (Crash with VOIPlay plugin)
    * CORE-39852 (Minimum font size apppplied on computed style in svg while not rendered)
    * CORE-39862 (Canvas 2D sometimes draws shadows even when it shouldn't)
    * CORE-39871 (Remove HTMLHeadElement.profile): http://www.whatwg.org/specs/web-apps/current-work/complete/obsolete.html#dom-head-profile
    * CORE-39902 (Array.prototype.slice() doesn't propagate exceptions)
    * CORE-39912 (Extra suspend event fired for some preload=metadata tests that use ogg videos)
    * CORE-39917 (HTMLEmbedElement src and HTMLFormElement action IDL attributes reflected as strings, not URLs (i.e. is not resolved))
    * CORE-39923 (Updated Google Maps: My Places pop-up can't be closed preventing use of Google Map Directions (something with EcmaScript eval))
    * CORE-40033 (Empty string values not returned from web storage after being set)
    * CORE-40040 (Response with content-encoding:gzip decompressed automatically without changing the .gz file extension)
    * CORE-40047 (inserting options in SELECT fails with DOMNodeInserted listener active)
    * CORE-40073 (Missing horizontal scrollbar when a multicol container contains more columns than specified)
    * CORE-40126 (Clicking on Google+ tab (top left corner) results in page that is never finished loading (history.replaceState))
    * CORE-40146 (Column-spanned element in RTL multicol is incorrectly positioned)
    * CORE-40155 (The title of the extension that appears in the debugging context dropdown should be the extension name from config.xml)
    * CORE-40189 (image.width/naturalWidth and image.height/naturalHeight returns 0 after switching to fullscreen if the image is only in DOM)
    * CORE-40210 (Anchors added to the URL changed by pushState reloads page)
    * CORE-40229 (List items are added outside of contenteditable element)
    * CORE-40230 (List is deleted when pressing backspace in a contenteditable element within a list item.)
    * CORE-40247 (Weird results of HTML select options)
    * CORE-40281 (Images sometimes displayed via onload events)
    * CORE-7544 (Nested inline relatively positioned elements with non-auto z-index are not rendered)
    * CORE-7597 (XMLHttpRequest can not POST data that consists of plain literal numbers only.)
    * CORE-9459 (Page reloaded when refreshed to fragment URI)
    * CORE-39763 (Crash when reloading page with Dragonfly open)
    * Updates to some translations
    * Security improvements from 11.51
    * Further crash and memory leak fixes
Desktop
    * DSK-232055 (Unable to re-download file to same download location if an entry for the previous download still exists in transfers manager)
    * DSK-343630 (Crash when exiting  Opera  after changing "Preferred languages for webpages")
    * DSK-344289 (Using mouse wheel over windowed plugin can also cause the page to scroll)
Speed Dial
    * DSK-329998 (Thumbnails are omitted while cycling Speed Dials with the Tab key)
    * DSK-330661 (Add an animation when resizing window to change number of columns)
    * DSK-337427 (Add an animation when undoing Speed Dial move/swap)
    * DSK-344603 (Crash when dragging a Speed Dial while Edit menu is opened)
    * DSK-344606 (Crash when deleting a Speed Dial set to Reload Every after dragging it from the original position)
    * DSK-344912 (Hover effect remains on unhovered Speed Dials)
Windows
    * DSK-344870 (Can't go fullscreen by double clicking the VLC plugin)