diff --git a/.changeset/blue-teachers-sell.md b/.changeset/blue-teachers-sell.md
new file mode 100644
index 00000000..f0d944aa
--- /dev/null
+++ b/.changeset/blue-teachers-sell.md
@@ -0,0 +1,5 @@
+---
+'@xyflow/react': patch
+---
+
+Make it possible to use expandParent with immer and other immutable helpers
diff --git a/.changeset/cuddly-mails-kneel.md b/.changeset/cuddly-mails-kneel.md
new file mode 100644
index 00000000..2235a163
--- /dev/null
+++ b/.changeset/cuddly-mails-kneel.md
@@ -0,0 +1,6 @@
+---
+'@xyflow/react': patch
+'@xyflow/svelte': patch
+---
+
+Add group node to BuiltInNode type
diff --git a/.changeset/old-lobsters-cover.md b/.changeset/old-lobsters-cover.md
new file mode 100644
index 00000000..82795889
--- /dev/null
+++ b/.changeset/old-lobsters-cover.md
@@ -0,0 +1,5 @@
+---
+'@xyflow/react': patch
+---
+
+Allow custom data-testid for ReactFlow component
diff --git a/.changeset/quick-carrots-allow.md b/.changeset/quick-carrots-allow.md
new file mode 100644
index 00000000..960c3815
--- /dev/null
+++ b/.changeset/quick-carrots-allow.md
@@ -0,0 +1,5 @@
+---
+'@xyflow/react': patch
+---
+
+Type isValidConnection prop correctly by passing EdgeType
diff --git a/.changeset/selfish-tables-tie.md b/.changeset/selfish-tables-tie.md
new file mode 100644
index 00000000..8ac759cf
--- /dev/null
+++ b/.changeset/selfish-tables-tie.md
@@ -0,0 +1,5 @@
+---
+'@xyflow/react': patch
+---
+
+Support passing `path` element attributes to `BaseEdge` component.
diff --git a/.changeset/silly-beans-remain.md b/.changeset/silly-beans-remain.md
new file mode 100644
index 00000000..42c8b49e
--- /dev/null
+++ b/.changeset/silly-beans-remain.md
@@ -0,0 +1,5 @@
+---
+'@xyflow/react': patch
+---
+
+Prevent default scrolling behavior when nodes or a selection is moved with an arrow key press.
diff --git a/.changeset/thick-fans-cheer.md b/.changeset/thick-fans-cheer.md
new file mode 100644
index 00000000..af987d35
--- /dev/null
+++ b/.changeset/thick-fans-cheer.md
@@ -0,0 +1,5 @@
+---
+'@xyflow/react': patch
+---
+
+Forward ref of the div inside Panel components.
diff --git a/README.md b/README.md
index 8f6ce20b..585dac0e 100644
--- a/README.md
+++ b/README.md
@@ -165,7 +165,7 @@ React Flow and Svelte Flow are maintained by the team behind [xyflow](https://xy
 
 - Christopher • [Twitter](https://twitter.com/chrtze) • [Github](https://github.com/chrtze)
 - Hayleigh • [Twitter](https://twitter.com/hayleighdotdev) • [Github](https://github.com/hayleigh-dot-dev)
-- John • [Website](https://johnrobbdesign.com/) • [Mastodon](https://mastodon.social/@johnrobbjr)
+- Abbey • [Github](https://github.com/printerscanner)
 - Moritz • [Twitter](https://twitter.com/moklick) • [Github](https://github.com/moklick)
 - Peter • [Github](https://github.com/peterkogo)
 
diff --git a/examples/react/src/examples/Edges/CustomEdge3.css b/examples/react/src/examples/Edges/CustomEdge3.css
new file mode 100644
index 00000000..570b7c75
--- /dev/null
+++ b/examples/react/src/examples/Edges/CustomEdge3.css
@@ -0,0 +1,14 @@
+@keyframes react-flow-edge-dash {
+  from {
+    stroke-dashoffset: 100;
+  }
+  to {
+    stroke-dashoffset: 0;
+  }
+}
+
+.react-flow__edge-custom3 {
+  stroke-dasharray: 100;
+  stroke-dashoffset: 100;
+  animation: react-flow-edge-dash 1s linear forwards;
+}
diff --git a/examples/react/src/examples/Edges/CustomEdge3.tsx b/examples/react/src/examples/Edges/CustomEdge3.tsx
new file mode 100644
index 00000000..37a3d40f
--- /dev/null
+++ b/examples/react/src/examples/Edges/CustomEdge3.tsx
@@ -0,0 +1,38 @@
+import { FC } from 'react';
+import { BaseEdge, EdgeProps, EdgeText, getSmoothStepPath } from '@xyflow/react';
+import './CustomEdge3.css';
+
+const CustomEdge: FC<EdgeProps> = ({
+  id,
+  sourceX,
+  sourceY,
+  targetX,
+  targetY,
+  sourcePosition,
+  targetPosition,
+  data,
+}) => {
+  const [edgePath, labelX, labelY] = getSmoothStepPath({
+    sourceX,
+    sourceY,
+    sourcePosition,
+    targetX,
+    targetY,
+    targetPosition,
+  });
+
+  return (
+    <>
+      <BaseEdge id={id} path={edgePath} pathLength={100} />
+      <EdgeText
+        x={labelX}
+        y={labelY - 5}
+        label={data.text}
+        labelBgStyle={{ fill: 'transparent' }}
+        onClick={() => console.log(data)}
+      />
+    </>
+  );
+};
+
+export default CustomEdge;
diff --git a/examples/react/src/examples/Edges/index.tsx b/examples/react/src/examples/Edges/index.tsx
index bbba30fb..6e18d24a 100644
--- a/examples/react/src/examples/Edges/index.tsx
+++ b/examples/react/src/examples/Edges/index.tsx
@@ -16,6 +16,7 @@ import {
 
 import CustomEdge from './CustomEdge';
 import CustomEdge2 from './CustomEdge2';
+import CustomEdge3 from './CustomEdge3';
 
 const onNodeDragStop = (_: MouseEvent, node: Node) => console.log('drag stop', node);
 const onNodeClick = (_: MouseEvent, node: Node) => console.log('click', node);
@@ -63,6 +64,12 @@ const initialNodes: Node[] = [
     data: { label: 'Output 9' },
     position: { x: 675, y: 500 },
   },
+  {
+    id: '10',
+    type: 'output',
+    data: { label: 'Output 10' },
+    position: { x: 50, y: 400 },
+  },
 ];
 
 const initialEdges: Edge[] = [
@@ -137,6 +144,13 @@ const initialEdges: Edge[] = [
     type: 'custom2',
     data: { text: 'custom edge 2' },
   },
+  {
+    id: 'e3a-10',
+    source: '3a',
+    target: '10',
+    type: 'custom3',
+    data: { text: 'custom edge 3' },
+  },
   {
     id: 'e5-6',
     source: '5',
@@ -173,6 +187,7 @@ const initialEdges: Edge[] = [
 const edgeTypes: EdgeTypes = {
   custom: CustomEdge,
   custom2: CustomEdge2,
+  custom3: CustomEdge3,
 };
 
 const defaultEdgeOptions = {
diff --git a/packages/react/src/components/Edges/BaseEdge.tsx b/packages/react/src/components/Edges/BaseEdge.tsx
index fab06220..3d951796 100644
--- a/packages/react/src/components/Edges/BaseEdge.tsx
+++ b/packages/react/src/components/Edges/BaseEdge.tsx
@@ -5,7 +5,6 @@ import { EdgeText } from './EdgeText';
 import type { BaseEdgeProps } from '../../types';
 
 export function BaseEdge({
-  id,
   path,
   labelX,
   labelY,
@@ -15,23 +14,12 @@ export function BaseEdge({
   labelBgStyle,
   labelBgPadding,
   labelBgBorderRadius,
-  style,
-  markerEnd,
-  markerStart,
-  className,
   interactionWidth = 20,
+  ...props
 }: BaseEdgeProps) {
   return (
     <>
-      <path
-        id={id}
-        style={style}
-        d={path}
-        fill="none"
-        className={cc(['react-flow__edge-path', className])}
-        markerEnd={markerEnd}
-        markerStart={markerStart}
-      />
+      <path {...props} d={path} fill="none" className={cc(['react-flow__edge-path', props.className])} />
       {interactionWidth && (
         <path
           d={path}
diff --git a/packages/react/src/components/NodeWrapper/index.tsx b/packages/react/src/components/NodeWrapper/index.tsx
index 5f528486..a54a4993 100644
--- a/packages/react/src/components/NodeWrapper/index.tsx
+++ b/packages/react/src/components/NodeWrapper/index.tsx
@@ -138,6 +138,9 @@ export function NodeWrapper<NodeType extends Node>({
         nodeRef,
       });
     } else if (isDraggable && node.selected && Object.prototype.hasOwnProperty.call(arrowKeyDiffs, event.key)) {
+      // prevent default scrolling behavior on arrow key press when node is moved
+      event.preventDefault();
+
       store.setState({
         ariaLiveMessage: `Moved selected node ${event.key
           .replace('Arrow', '')
diff --git a/packages/react/src/components/NodesSelection/index.tsx b/packages/react/src/components/NodesSelection/index.tsx
index e2bcd238..ecaef17b 100644
--- a/packages/react/src/components/NodesSelection/index.tsx
+++ b/packages/react/src/components/NodesSelection/index.tsx
@@ -68,6 +68,8 @@ export function NodesSelection<NodeType extends Node>({
 
   const onKeyDown = (event: KeyboardEvent) => {
     if (Object.prototype.hasOwnProperty.call(arrowKeyDiffs, event.key)) {
+      event.preventDefault();
+
       moveSelectedNodes({
         direction: arrowKeyDiffs[event.key],
         factor: event.shiftKey ? 4 : 1,
diff --git a/packages/react/src/components/Panel/index.tsx b/packages/react/src/components/Panel/index.tsx
index eeb01a15..83b4a87b 100644
--- a/packages/react/src/components/Panel/index.tsx
+++ b/packages/react/src/components/Panel/index.tsx
@@ -1,4 +1,4 @@
-import type { HTMLAttributes, ReactNode } from 'react';
+import { forwardRef, type HTMLAttributes, type ReactNode } from 'react';
 import cc from 'classcat';
 import type { PanelPosition } from '@xyflow/system';
 
@@ -15,17 +15,20 @@ export type PanelProps = HTMLAttributes<HTMLDivElement> & {
 
 const selector = (s: ReactFlowState) => (s.userSelectionActive ? 'none' : 'all');
 
-export function Panel({ position = 'top-left', children, className, style, ...rest }: PanelProps) {
-  const pointerEvents = useStore(selector);
-  const positionClasses = `${position}`.split('-');
+export const Panel = forwardRef<HTMLDivElement, PanelProps>(
+  ({ position = 'top-left', children, className, style, ...rest }, ref) => {
+    const pointerEvents = useStore(selector);
+    const positionClasses = `${position}`.split('-');
 
-  return (
-    <div
-      className={cc(['react-flow__panel', className, ...positionClasses])}
-      style={{ ...style, pointerEvents }}
-      {...rest}
-    >
-      {children}
-    </div>
-  );
-}
+    return (
+      <div
+        className={cc(['react-flow__panel', className, ...positionClasses])}
+        style={{ ...style, pointerEvents }}
+        ref={ref}
+        {...rest}
+      >
+        {children}
+      </div>
+    );
+  }
+);
diff --git a/packages/react/src/container/ReactFlow/index.tsx b/packages/react/src/container/ReactFlow/index.tsx
index 962b6846..82206fc8 100644
--- a/packages/react/src/container/ReactFlow/index.tsx
+++ b/packages/react/src/container/ReactFlow/index.tsx
@@ -153,11 +153,11 @@ function ReactFlow<NodeType extends Node = Node, EdgeType extends Edge = Edge>(
 
   return (
     <div
+      data-testid="rf__wrapper"
       {...rest}
       style={{ ...style, ...wrapperStyle }}
       ref={ref}
       className={cc(['react-flow', className, colorModeClassName])}
-      data-testid="rf__wrapper"
       id={id}
     >
       <Wrapper
diff --git a/packages/react/src/store/index.ts b/packages/react/src/store/index.ts
index 067f4093..2466baa5 100644
--- a/packages/react/src/store/index.ts
+++ b/packages/react/src/store/index.ts
@@ -148,26 +148,30 @@ const createStore = ({
         const changes = [];
 
         for (const [id, dragItem] of nodeDragItems) {
+          const expandParent = !!(dragItem?.expandParent && dragItem?.parentId && dragItem?.position);
+
           const change: NodeChange = {
             id,
             type: 'position',
-            position: dragItem.position,
+            position: expandParent
+              ? {
+                  x: Math.max(0, dragItem.position.x),
+                  y: Math.max(0, dragItem.position.y),
+                }
+              : dragItem.position,
             dragging,
           };
 
-          if (dragItem?.expandParent && dragItem?.parentId && change.position) {
+          if (expandParent) {
             parentExpandChildren.push({
               id,
-              parentId: dragItem.parentId,
+              parentId: dragItem.parentId!,
               rect: {
                 ...dragItem.internals.positionAbsolute,
                 width: dragItem.measured.width!,
                 height: dragItem.measured.height!,
               },
             });
-
-            change.position.x = Math.max(0, change.position.x);
-            change.position.y = Math.max(0, change.position.y);
           }
 
           changes.push(change);
diff --git a/packages/react/src/types/component-props.ts b/packages/react/src/types/component-props.ts
index 623992b2..d04875d1 100644
--- a/packages/react/src/types/component-props.ts
+++ b/packages/react/src/types/component-props.ts
@@ -499,7 +499,7 @@ export interface ReactFlowProps<NodeType extends Node = Node, EdgeType extends E
    * If you have custom connection logic its preferred to use this callback over the isValidConnection prop on the handle component for performance reasons.
    * @default (connection: Connection) => true
    */
-  isValidConnection?: IsValidConnection;
+  isValidConnection?: IsValidConnection<EdgeType>;
   /** With a threshold greater than zero you can control the distinction between node drag and click events.
    *
    * If threshold equals 1, you need to drag the node 1 pixel before a drag event is fired.
diff --git a/packages/react/src/types/edges.ts b/packages/react/src/types/edges.ts
index 8b0cebab..ce21e84f 100644
--- a/packages/react/src/types/edges.ts
+++ b/packages/react/src/types/edges.ts
@@ -1,6 +1,6 @@
 /* eslint-disable @typescript-eslint/no-explicit-any */
 
-import type { CSSProperties, HTMLAttributes, ReactNode, MouseEvent as ReactMouseEvent, ComponentType } from 'react';
+import type { CSSProperties, SVGAttributes, ReactNode, MouseEvent as ReactMouseEvent, ComponentType } from 'react';
 import type {
   EdgeBase,
   BezierPathOptions,
@@ -14,7 +14,6 @@ import type {
   EdgePosition,
   StepPathOptions,
   OnError,
-  ConnectionState,
   FinalConnectionState,
 } from '@xyflow/system';
 
@@ -94,7 +93,7 @@ export type EdgeWrapperProps<EdgeType extends Edge = Edge> = {
 
 export type DefaultEdgeOptions = DefaultEdgeOptionsBase<Edge>;
 
-export type EdgeTextProps = HTMLAttributes<SVGElement> &
+export type EdgeTextProps = SVGAttributes<SVGElement> &
   EdgeLabelOptions & {
     x: number;
     y: number;
@@ -123,28 +122,17 @@ export type EdgeProps<EdgeType extends Edge = Edge> = Pick<
  * BaseEdge component props
  * @public
  */
-export type BaseEdgeProps = EdgeLabelOptions & {
-  /** Unique id of edge */
-  id?: string;
-  /** Additional padding where interacting with an edge is still possible */
-  interactionWidth?: number;
-  className?: string;
-  /** The x position of edge label */
-  labelX?: number;
-  /** The y position of edge label */
-  labelY?: number;
-  /** Marker at start of edge
-   * @example 'url(#arrow)'
-   */
-  markerStart?: string;
-  /** Marker at end of edge
-   * @example 'url(#arrow)'
-   */
-  markerEnd?: string;
-  /** SVG path of the edge */
-  path: string;
-  style?: CSSProperties;
-};
+export type BaseEdgeProps = Omit<SVGAttributes<SVGPathElement>, 'd'> &
+  EdgeLabelOptions & {
+    /** Additional padding where interacting with an edge is still possible */
+    interactionWidth?: number;
+    /** The x position of edge label */
+    labelX?: number;
+    /** The y position of edge label */
+    labelY?: number;
+    /** SVG path of the edge */
+    path: string;
+  };
 
 /**
  * Helper type for edge components that get exported by the library
diff --git a/packages/react/src/types/nodes.ts b/packages/react/src/types/nodes.ts
index f4ad2820..0d3924e4 100644
--- a/packages/react/src/types/nodes.ts
+++ b/packages/react/src/types/nodes.ts
@@ -56,6 +56,8 @@ export type NodeWrapperProps<NodeType extends Node> = {
   nodeClickDistance?: number;
 };
 
-export type BuiltInNode = Node<{ label: string }, 'input' | 'output' | 'default'>;
+export type BuiltInNode =
+  | Node<{ label: string }, 'input' | 'output' | 'default'>
+  | Node<Record<string, never>, 'group'>;
 
 export type NodeProps<NodeType extends Node = Node> = NodePropsBase<NodeType>;
diff --git a/packages/svelte/src/lib/types/nodes.ts b/packages/svelte/src/lib/types/nodes.ts
index 373b9b34..9cbfc169 100644
--- a/packages/svelte/src/lib/types/nodes.ts
+++ b/packages/svelte/src/lib/types/nodes.ts
@@ -42,7 +42,9 @@ export type NodeTypes = Record<
 
 export type DefaultNodeOptions = Partial<Omit<Node, 'id'>>;
 
-export type BuiltInNode = Node<{ label: string }, 'input' | 'output' | 'default'>;
+export type BuiltInNode =
+  | Node<{ label: string }, 'input' | 'output' | 'default'>
+  | Node<Record<string, never>, 'group'>;
 
 // TODO SVELTE5 remove this
 export type NodeEventMap = {