http://my.opera.com/desktopteam/blog/
More fixes in the pipeline for 9.51! As always, we appreciate constructive feedback. Main focus was on stability and the installer - some issues that users have encountered when upgrading from 9.27 should now be finally solved.
Changelog:
Security status should be now always correctly set when navigating from HTTP to HTTPS.
Fixed an issue related to OCSP and CRLs that would lower security level - Yngve has a detailed article. You'll have to manually check for updates to activate this fix.
Fixed an issue in the content blocker that might cause no page to be loaded anymore.
Fixed a crash on Yahoo! Mail (now really!).
Fixed a crash with userjs.
Fixed a crash related to Dragonfly.
Fixed a crash on Print Preview.
Fixed an issue that caused unwanted line breaks in rich text editors.
Fixed loading of stylesheets when navigating in history.
UNIX specific:
Fixed an issue that would prevent pages from closing on Qt4 builds.
Fixed saving of changes to plugin configuration.