State: Avoid URL redirect for published post autosave

editor/store/effects.js

@@ -174,15 +174,20 @@ export default {
 		const { previousPost, post, isAutosave } = action;
 		const { dispatch } = store;
 
+		// Autosaves are neither shown a notice nor redirected.
+		if ( isAutosave ) {
+			return;
+		}
+
 		const publishStatus = [ 'publish', 'private', 'future' ];
 		const isPublished = includes( publishStatus, previousPost.status );
 		const willPublish = includes( publishStatus, post.status );
 
 		let noticeMessage;
 		let shouldShowLink = true;
 
-		if ( isAutosave || ( ! isPublished && ! willPublish ) ) {
-			// If autosaving or saving a non-published post, don't show notice.
+		if ( ! isPublished && ! willPublish ) {
+			// If saving a non-published post, don't show notice.
 			noticeMessage = null;
 		} else if ( isPublished && ! willPublish ) {
 			// If undoing publish status, show specific notice

editor/store/test/effects.js

@@ -359,6 +359,19 @@ describe( 'effects', () => {
 				type: 'CREATE_NOTICE',
 			} ) );
 		} );
+
+		it( 'should do nothing if the updated post was autosaved', () => {
+			const dispatch = jest.fn();
+			const store = { dispatch };
+
+			const previousPost = getPublishedPost();
+			const post = { ...getPublishedPost(), id: defaultPost.id + 1 };
+
+			handler( { post, previousPost, isAutosave: true }, store );
+
+			expect( dispatch ).toHaveBeenCalledTimes( 0 );
+			expect( replaceStateSpy ).toHaveBeenCalledTimes( 0 );
+		} );
 	} );
 
 	describe( '.REQUEST_POST_UPDATE_FAILURE', () => {