diff --git a/packages/core/public-api.ts b/packages/core/public-api.ts
index 6071c4c8..87489f82 100644
--- a/packages/core/public-api.ts
+++ b/packages/core/public-api.ts
@@ -2,9 +2,9 @@
 /// <reference path="src/ambient.d.ts" />
 
 export {
-  SkyhookDndModule,
-  BackendInput,
-  BackendFactoryInput
+    SkyhookDndModule,
+    BackendInput,
+    BackendFactoryInput,
 } from "./src/dnd.module";
 
 export { DragSourceMonitor } from "./src/source-monitor";
@@ -24,9 +24,10 @@ export { DropTargetSpec } from "./src/drop-target-specification";
 export { DragSourceSpec } from "./src/drag-source-specification";
 
 export {
-  DragSourceDirective,
-  DropTargetDirective,
-  DragPreviewDirective
+    DndDirective,
+    DragSourceDirective,
+    DropTargetDirective,
+    DragPreviewDirective,
 } from "./src/dnd.directive";
 
 export { Offset } from "./src/type-ish";
diff --git a/packages/multi-backend/public-api.ts b/packages/multi-backend/public-api.ts
index fda4f6c3..69d10e3e 100644
--- a/packages/multi-backend/public-api.ts
+++ b/packages/multi-backend/public-api.ts
@@ -8,8 +8,10 @@ export {
     createTransition,
     HTML5DragTransition,
     TouchTransition,
-    MouseTransition
+    MouseTransition,
 } from "dnd-multi-backend";
 
 export { HTML5ToTouch, createDefaultMultiBackend } from "./src/HTML5ToTouch";
 export { SkyhookMultiBackendModule } from "./src/module";
+export { SkyhookPreviewComponent } from "./src/preview.component";
+export { SkyhookPreviewRendererComponent } from "./src/preview-renderer.component";
diff --git a/tsconfig.build.json b/tsconfig.build.json
index 49ed7d03..bf811e6d 100644
--- a/tsconfig.build.json
+++ b/tsconfig.build.json
@@ -29,7 +29,8 @@
 		"strictMetadataEmit": true,
 		"fullTemplateTypeCheck": true,
 		"strictInjectionParameters": true,
-		"disableTypeScriptVersionCheck": true,
+        "disableTypeScriptVersionCheck": true,
+        "enableIvy": false,
 		"enableResourceInlining": true
 	}
 }