After upgrading from alpha46 to alpha47, there seems to be some extra spacing added when projecting elements via ng-content or using anything <template> related (ng-if, ng-switch, ng-for).

[copied from Filipe's issue #440 registered in angular.io ]

plunker alpha46: http://plnkr.co/edit/698ShxZ0FhziYHxCu3t3?p=preview

plunker alpha47: http://plnkr.co/edit/R8biozWaYxy1VcKJLqiQ?p=preview