General and User Interface
Fixed an issue where the search bar's default engine could be overridden by third-party apps.
Security
Fixed a moderately severe issue, as reported by Attila Suszter; details will be disclosed at a later date.
Added safeguards against attacks on the RC4 encryption protocol; see our advisory.
Fixed an issue where cookies could be set for a top-level domain; see our advisory.

Muutokset v12.15 RC - v12.15 RC2

Muutokset v12.14 - v12.15 RC

Muutokset v12.13 - v12.14

Muutokset v12.13 - v12.14 RC

Muutokset v12.13 RC2 - v12.13

General and User Interface
Fixed an issue where Opera gets internal communication errors on Facebook
Fixed an issue where no webpages load on startup, if Opera is disconnected from the Internet
Fixed an issue where images will not load after back navigation, when a site uses the HTML5 history API (deviantart.com)
Linux and Windows
A new stand-alone update-checker, as part of a planned upgrade of the auto-update system
Windows
Improved protection against hijacking of the default search, including a one-time reset
Security
Fixed an issue where DOM events manipulation might be used to execute arbitrary code, as reported by Arthur Gerkis; see our advisory
Fixed an issue where use of SVG clipPaths could allow execution of arbitrary code, as reported by anonymous via the iSIGHT Partners GVP Program; see our advisory
Fixed a low severity security issue; details will be disclosed at a later date
Fixed an issue where CORS requests could omit the preflight request, as reported by webpentest; see our advisory

Muutokset v12.13 RC - v12.13 RC2

Muutokset v12.13.1721 snapshot - v12.13 RC

Muutokset v12.12 - v12.13.1721 snapshot

Muutokset v12.11 - v12.12

Fixes and Stability Enhancements since Opera 12.11
General and User Interface
Several general fixes and stability improvements
New option ‘Delete settings and data for all extensions’ option (off by default) in the Delete Private Data dialog
Corrected an issue where using the 'Delete Private Data' dialog could delete extension and settings data
Redesigned the 'Delete Private Data' dialog to be more usable with small screens
Fixed an issue where quitting Opera while in fullscreen mode could cripple the interface on the next start-up
Security
Fixed an issue where malformed GIF images could allow execution of arbitrary code; see our advisory
Fixed an issue where repeated attempts to access a target site could trigger address field spoofing, as reported by Masato Kinugawa; see our advisory
UNIX-only
Fixed an issue where private data could be disclosed to other computer users, or be modified by them, as reported by Jann Horn; see our advisory

Muutokset v12.12-1662 snapshot - v12.12-1704 RC 2

Muutokset v12.11 - v12.12-1662 snapshot

Muutokset v12.11-1658 snapshot - v12.11 RC 2

Muutokset v12.11-1655 snapshot - v12.11-1658 snapshot

Muutokset v12.10 - v12.11-1655 snapshot

Muutokset v12.10 RC3 - v12.10 RC4

Muutokset Next v12.10 b1642 - v12.10 RC3

Muutokset Next v12.10 b1627 - Next v12.10 b1642

Muutokset Next v12.10 b1618 - Next v12.10 b1627

Muutokset Next v12.10 b1605 snapshot - Next v12.10 b1615 snapshot

Muutokset Next v12.50 b1581 snapshot - v12.50 b1583 snapshot

Muutokset Next v12.00 b1445 snapshot - 12 RC Euro 2012 edition

Muutokset v12.00 b1424 snapshot - Next v12.00 b1445 snapshot

Muutokset v12.00 b1417 snapshot - v12.00 b1424 snapshot

Muutokset Next v12.00 b1413 snapshot - v12.00 b1417 snapshot

Muutokset NEXT v12.00 Beta - Next v12.00 b1413 snapshot

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