change default back to elevateEdgesOnSelect=false and zIndexMode=basic

packages/react/src/container/ReactFlow/index.tsx

@@ -127,8 +127,8 @@ function ReactFlow<NodeType extends Node = Node, EdgeType extends Edge = Edge>(
     attributionPosition,
     proOptions,
     defaultEdgeOptions,
-    elevateNodesOnSelect,
-    elevateEdgesOnSelect,
+    elevateNodesOnSelect = true,
+    elevateEdgesOnSelect = false,
     disableKeyboardA11y = false,
     autoPanOnConnect,
     autoPanOnNodeDrag,
@@ -148,7 +148,7 @@ function ReactFlow<NodeType extends Node = Node, EdgeType extends Edge = Edge>(
     debug,
     onScroll,
     ariaLabelConfig,
-    zIndexMode,
+    zIndexMode = 'basic',
     ...rest
   }: ReactFlowProps<NodeType, EdgeType>,
   ref: ForwardedRef<HTMLDivElement>

packages/react/src/store/initialState.ts

@@ -59,7 +59,7 @@ const getInitialState = ({
   const nodesInitialized = adoptUserNodes(storeNodes, nodeLookup, parentLookup, {
     nodeOrigin: storeNodeOrigin,
     nodeExtent: storeNodeExtent,
-    elevateNodesOnSelect: false,
+    zIndexMode,
   });
 
   let transform: Transform = [0, 0, 1];