Understood but would it break anything if installed on a XenForo 1.1. (Silly question, I know. It's just for future reference.)
Do you have a link so I can see this? Nothing in the breadcrumb has changed since the original release and this does not appear on my install.
Compatible with XenForo 1.2+ (Responsive)
Social Version - 1.2.0a B1
Changes 1.2.0a B1
• Fixed editor gradient for responsive, now a CSS Gradient
• Fixed Message Controls in responsive view
• Breadcrumbs display in FireFox and IE
• Added responsive CSS to EXTRA.css
/* Responsive View */ <xen:if is="@enableResponsive"> @media...