Resharper 8 - Quickfix shortcut Alt+Enter gone

Please try this:

• remove all mapping for Alt+Enter ↵ shortcut here Tools | Options | Environment | Keyboard (to find out mapped actions, press Alt+Enter ↵ in "Press shortcut keys" field and look at the list in "Shortcut currently used by" dropdown);

After removing:

• Type ReSharper_AltEnter in "Show command containing" field;
• Select "Text Editor" in "Use new shortcut in" dropdown;
• Press Alt+Enter in "Press shortcut keys" field | Assign;
• Select "XAML UI Designer" in "Use new shortcut in" dropdown;
• Press Alt+Enter in "Press shortcut keys" field | Assign;

They changed the name of this shortcut to Resharper_AltEnter.