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Opera 10.53 for Mac changelog
Release notes
Release date: April 30, 2010
Opera 10.53 is a recommended security and stability upgrade. Opera highly recommends all users to upgrade to this version to take advantage of these improvements.
Changes since Opera 10.52 (with Opera Widgets for Desktop) for Mac
Security
Fixed
- Fixed an issue where multiple asynchronous document modifications could be used to execute arbitrary code; see our advisory (http://www.opera.com/support/search/view/953/).
From opera.com/docs/changelogs, archived on June 17, 2013. See the original page.