Fix #2067 (#2447)

* Fix #2067

* Add PR number [skip ci]

render/render.js

@@ -885,6 +885,16 @@ module.exports = function($window) {
 		vnode.dom = old.dom
 		vnode.domSize = old.domSize
 		vnode.instance = old.instance
+		// One would think having the actual latest attributes would be ideal,
+		// but it doesn't let us properly diff based on our current internal
+		// representation. We have to save not only the old DOM info, but also
+		// the attributes used to create it, as we diff *that*, not against the
+		// DOM directly (with a few exceptions in `setAttr`). And, of course, we
+		// need to save the children and text as they are conceptually not
+		// unlike special "attributes" internally.
+		vnode.attrs = old.attrs
+		vnode.children = old.children
+		vnode.text = old.text
 		return true
 	}