Component actions not working after upgrade 1.1.6

I have been using some components that render links to actions within
themselves. For example a Lens::MatrixController outputs:

<%= link_to format, { :controller=>’/lens/matrix’, :action =>
‘choose_format’, :format => format }, { :class => “styledA” } %>

This was working fine until I upgraded to 1.1.6 after seeing the
security alerts. Now I get a routing error:

Recognition failed for “/lens/matrix/choose_concept”

Is this an intentional or unintentional change to components? Is there a