I know there is the hidden and private sap.ui.core.ResizeHandler but it looks like a naive implementation.
1. The Charts are fixed after rendering.
2. Notification Widget has it's own resizing attached to the dom and it's not even being throttled
Offensive Code Below:
//Snippet From sap.ui.ux3.NotificationBar-dbg.jssap.ui.ux3.NotificationBar.prototype.init = function() {... jQuery(window).unbind("resize", fnOnResize);}