removed support for activating autoscrolling through the pie menu center
the pie menu can again be opened inside a frame, and "Page Top" and "Page Bottom" actions work again inside frames
the custom icon URL for "Run Script" actions needs to be manually provided in the preferences dialog through a text input box
favicons cannot be retrieved nor displayed
removed support for upgrading from versions prior to 5.2
new actions: "Copy Page URL", "Copy URL to Identifier", "Move Tab to New Window", "Load URL in New Private Window", "Bookmark this Identifier", "Remove Bookmark to this Page", "Remove Bookmark to this Identifier", and "Remove Bookmark to this Link"
improved code dealing with preferences and code running in content scripts