Note: Please test in boost and classic themes Log in as admin Navigate to Courses > Manage courses and categories in site administration Press Actions menu > Create new subcategory Narrow the browser window to below 768px Confirm the page breadcrumbs are not shown with excess whitespace/stretched across the page (fixed behaviour) Narrow the browser window until some of the breadcrumb text is truncated Confirm breadcrumbs are still shown on single row, and their content is shortened with an ellipsis (original behaviour)