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Opera already has support for Sidebar extensions, you can check it out here https://dev.opera.com/extensions/tut_sidebar_actions.html https://dev.opera.com/ext
by shwetank 11y ago
Opera already has support for Sidebar extensions, you can check it out here https://dev.opera.com/extensions/tut_sidebar_actions.html https://dev.opera.com/extensions/tut_sidebar_actions.html