Opera 11.60 snapshots will not be auto-updated (only 12.00 snapshots).
Flash Player 11 crashes on Mac. We recommend disabling it or downgrading for the time being.
This is an Opera build not Opera Next. You should backup your stable profile before upgrade.
Core
Hardware acceleration disabled: it will return in future 12.00 builds
Presto version number updated to 2.10.228 in the user agent
Support for HTML5 custom scheme and content handlers: registerProtocolHandler and registerContentHandler
CORE-41488 (Fixes to "reparse failed XHMTL as HTML"): should also fix Acid 3
CORE-231 (Shift+click should not open javascript: URLs in other window)
CORE-2914 (Opera does not show the text selection)
CORE-4623 (Image resampling should be controllable with CSS)
CORE-6564 (left: auto incorrectly calculated for absolutely positioned inline[-block] elements): Misalignment of the YouTube playlist link in the on-the-go playlists
CORE-13171 (charset=macintosh not supported)
CORE-13928 (SVG filter with a small kernelUnitLength use large amounts of memory)
CORE-17673 (text-align:right and left:auto;position:absolute causes offsetLeft to return the wrong value)
CORE-19540 (Transitioning 'visibility' property does not behave per spec)
CORE-21974 (XMLHttpRequest send Authorization header even if username/password are null)
CORE-22702 (Change tracker on
http://www.sra.org.uk wierdness in Opera): scrolling to the wrong coordinate
CORE-24836 (CSS :nth-child(128), 129, 130... doesn't work)
CORE-25155 (CSS :nth-child(0) should not be dropped)
CORE-25157 ([attr=\"] is incorrectly serialized as [attr="""])
CORE-25763 (Invalidation problem with hypothetical static position of absolute positioned box)
CORE-30611 (Table-cell baseline calculation wrong)
CORE-32308 (Opacity causes misplacing when wrapping spans)
CORE-34313 (Empty block in baseline-aligned table-cell with top padding aligns top to baseline)
CORE-38158 (Redraw issue when adding same CSS file twice)
CORE-38805 (Outer column translation error in nested multicol)
CORE-38818 (Content in second outer column misplaced in nested multicol if there is a margin between first and second column)
CORE-38819 (break-after:avoid doesn't work properly on BR that terminates line)
CORE-38986 (DOMMethod(null) should cast to "null" not "")
CORE-39415 (If-Modified-Since header is not sent for widget update request when a valid last update response is present)
CORE-39453 (Spanned element in nested multicol causes new outer row to be created)
CORE-39599 (Extensions with long changelog are not updated)
CORE-39631 (Implement new Event() constructor to initialize DOM events)
CORE-39753 (Printing in gmail freezes Opera)
CORE-39761 (SVG as an image does not trigger onload event)
CORE-39792 (WebP images loaded through Turbo is not drawn if they are within the visible part of the content at load)
CORE-39992 (svg filter with scaled output and kernelUnitLength specified is clipped to too small size)
CORE-40009 (Border/padding of container sometimes ignored for hypothetical static position of absolute positioned)
CORE-40049 (Extension will not run on a page without Javascript unless first ran on a page with Javascript)
CORE-40074 (Crashes trying to save empty 'Local CSS Files Directory' preference)
CORE-40288 (Support XHR.send(ArrayBuffer))
CORE-40336 (Opera freezes for 5-10 seconds when reloading certain pages)
CORE-40341 (Close button in Resources view in Dragonfly looks broken)
CORE-40407 (Crash on closing window just after doing XHR from webworker)
CORE-40467 (Multiple background images doesn't work with non-latin paths)
CORE-40530 (CSS Negated structural pseudo classes incorrectly fail on :root element)
CORE-40548 (Bogus values transitioning -o-transform-origin)
CORE-40556 (Text selection not painted correctly when line is longer than ~32K px.)
CORE-40562 (jQuery mock body element causes background to disappear)
CORE-40573 (Wrong width of shrink-to-fit contained by fixed-width block inside STF and containing floats with scrollbars): Cannot use the new "Preview Pane" feature of Gmail in vertical mode
CORE-40601 (repeatCount indefinite in animate and 0 in animateTransform for SVG freezes browser)
CORE-40625 (Zero-height floats with top margins wrap when inside STF float)
CORE-40832 (Wrong alignment of inline-block containing nested blocks and no text): Google Calendar search button does not show up correctly
CORE-40881 (Open file selector dialog on clicking label for file upload)
CORE-40890 (Updating prototype of prototype object without a prototype)
CORE-40893 (Inconsistent writability treatment of setter-only properties)
CORE-40901 (Crash on crisislanding.appspot.com/?crisis=2011_hurricane_irene_nyc)
CORE-40921 (Keydown events for modifier keys dropped before being sent to the plugins)
CORE-40923 (Update Hunspell component)
CORE-40930 (Missing margins for <figure> element)
CORE-40983 (Opera crashes with SVG animateMotion and mpath elements)
CORE-41056 (copy/paste ordered lists should not include list numeration)
CORE-41080 (Relatively positioned inline with wrapped text preceded by button fails to respond to click and paint): translate links in Google search broken
CORE-41095 (Opera Turbo slow network notification is triggered even for high speed connections)
CORE-41097 (Crash when trying to load preview of RSS feeds)
CORE-41164 (Don't scroll more than the height of a list)
CORE-41175 (document.all doesn't pick up unknown elements)
CORE-41282 (Support for script.onerror for HTTP errors)
CORE-41289 (Don't show calendar for readonly date widget)
CORE-41306 (Carakan has some miscalculations regexes)
CORE-41316 (Parsing -o-border-image fails when scale keyword follows incomplete border-width value)
CORE-41322 (Optimize font cache use: Font cache waste entries on links etc)
CORE-41334 (SVG with <use> in a <pattern> refererencing a non-existent element causes crash)
CORE-41356 (Scroll by number of items on mousewheel over listboxes)
CORE-41364 (Text in <textarea> should wrap)
CORE-41386 (Crash when parsing CSS with malformed line ending)
CORE-41393 (Crash on mpath that references an element that doesn't have a valid attribute)
CORE-41418 (Add support for incremental decoding of WebP images)
CORE-41476 (file uploading fails on YouTube)
CORE-41495 (FileReader.readAsBinaryString conversion error)
CORE-41503 (Empty "retry" field in EventSource crashes Opera)
CORE-41533 (External CSS files with title="" becomes preferred stylesheet)
Further fixes for crashes and memory leaks
Desktop
New themes support is disabled: it will return in future 12.00 builds
DSK-345445 (Don't perform search suggestions when the user is trying to enter a URL)
DSK-348613 (Don't show search suggestion from default search engine for search engines without suggestion support)
DSK-348684 (Flash crashes in print preview mode with wmode=opaque)
DSK-334776 (Entering characters via ALT numpad followed by Enter crashes Opera)
DSK-347488 (Stop / Resume button and tooltip in the Downloads Manager always says Resume)
Updates to translations
Mac
DSK-348984 (Web font crash on page load)
DSK-341704 (Need to disable unintentional system text services)
DSK-347509 (Horizontal scroll acceleration for scroll wheel devices)
DSK-347366 (Occasional crash when scrolling)
DSK-348126 (Crash on exiting Google Translator widget using close window button on title bar)
Linux/FreeBSD
DSK-348617 (Crash when styling with Gtk 2.24.7)
DSK-334020 (Crash by dragging a preview thumbnail from the windows panel into the main window)
DSK-337838 (Dragging tab between windows into existing tab stack)
DSK-349055 (Fix generation of crashlogs on 64-bit FreeBSD): further work needed for 32-bit