diff --git a/spine-flutter/lib/spine_flutter.dart b/spine-flutter/lib/spine_flutter.dart
index 65e0217ab..6ccbd5499 100644
--- a/spine-flutter/lib/spine_flutter.dart
+++ b/spine-flutter/lib/spine_flutter.dart
@@ -1029,7 +1029,7 @@ class RegionAttachment extends Attachment {
   RegionAttachment._(spine_attachment attachment): super._(attachment);
 
   List<double> computeWorldVertices(Slot slot) {
-    Pointer<Float> vertices = malloc.allocate(4 * 9).cast();
+    Pointer<Float> vertices = malloc.allocate(4 * 8).cast();
     _bindings.spine_region_attachment_compute_world_vertices(_attachment, slot._slot, vertices);
     final result = vertices.asTypedList(8).toList();
     malloc.free(vertices);
@@ -1133,6 +1133,37 @@ class RegionAttachment extends Attachment {
 
 class VertexAttachment extends Attachment {
   VertexAttachment._(spine_attachment attachment): super._(attachment);
+
+  List<double> computeWorldVertices(Slot slot) {
+    final worldVerticesLength = _bindings.spine_vertex_attachment_get_world_vertices_length(_attachment);
+    Pointer<Float> vertices = malloc.allocate(4 * worldVerticesLength).cast();
+    _bindings.spine_vertex_attachment_compute_world_vertices(_attachment, slot._slot, vertices);
+    final result = vertices.asTypedList(worldVerticesLength).toList();
+    malloc.free(vertices);
+    return result;
+  }
+
+  Int32List getBones() {
+    final num = _bindings.spine_vertex_attachment_get_num_bones(_attachment);
+    final bones = _bindings.spine_region_attachment_get_bones(_attachment);
+    return bones.asTypedList(num);
+  }
+
+  Float32List getVertices() {
+    final num = _bindings.spine_vertex_attachment_get_num_vertices(_attachment);
+    final vertices = _bindings.spine_region_attachment_get_vertices(_attachment);
+    return vertices.asTypedList(num);
+  }
+
+  Attachment? getTimelineAttachment() {
+    final attachment = _bindings.spine_vertex_attachment_get_timeline_attachment(_attachment);
+    if (_attachment.address == nullptr.address) return null;
+    return Attachment._toSubclass(attachment);
+  }
+
+  void setTimelineAttachment(Attachment? attachment) {
+    _bindings.spine_vertex_attachment_set_timeline_attachment(_attachment, attachment == null ? nullptr : attachment._attachment);
+  }
 }
 
 // FIXME
diff --git a/spine-flutter/lib/spine_flutter_bindings_generated.dart b/spine-flutter/lib/spine_flutter_bindings_generated.dart
index 5f6b6cdd1..f8eee8c33 100644
--- a/spine-flutter/lib/spine_flutter_bindings_generated.dart
+++ b/spine-flutter/lib/spine_flutter_bindings_generated.dart
@@ -5293,10 +5293,10 @@ class SpineFlutterBindings {
           ffi.Pointer<ffi.Float> Function(spine_region_attachment)>();
 
   spine_attachment spine_vertex_attachment_get_timeline_attachment(
-    spine_vertex_attachment attachment,
+    spine_vertex_attachment timelineAttachment,
   ) {
     return _spine_vertex_attachment_get_timeline_attachment(
-      attachment,
+      timelineAttachment,
     );
   }
 
@@ -5310,18 +5310,21 @@ class SpineFlutterBindings {
 
   void spine_vertex_attachment_set_timeline_attachment(
     spine_vertex_attachment attachment,
+    spine_attachment timelineAttachment,
   ) {
     return _spine_vertex_attachment_set_timeline_attachment(
       attachment,
+      timelineAttachment,
     );
   }
 
-  late final _spine_vertex_attachment_set_timeline_attachmentPtr =
-      _lookup<ffi.NativeFunction<ffi.Void Function(spine_vertex_attachment)>>(
-          'spine_vertex_attachment_set_timeline_attachment');
+  late final _spine_vertex_attachment_set_timeline_attachmentPtr = _lookup<
+          ffi.NativeFunction<
+              ffi.Void Function(spine_vertex_attachment, spine_attachment)>>(
+      'spine_vertex_attachment_set_timeline_attachment');
   late final _spine_vertex_attachment_set_timeline_attachment =
-      _spine_vertex_attachment_set_timeline_attachmentPtr
-          .asFunction<void Function(spine_vertex_attachment)>();
+      _spine_vertex_attachment_set_timeline_attachmentPtr.asFunction<
+          void Function(spine_vertex_attachment, spine_attachment)>();
 
   void spine_skin_set_attachment(
     spine_skin skin,
diff --git a/spine-flutter/src/spine_flutter.cpp b/spine-flutter/src/spine_flutter.cpp
index c61733246..3dd0dff4f 100644
--- a/spine-flutter/src/spine_flutter.cpp
+++ b/spine-flutter/src/spine_flutter.cpp
@@ -2262,10 +2262,10 @@ FFI_PLUGIN_EXPORT spine_attachment spine_vertex_attachment_get_timeline_attachme
     return _attachment->getTimelineAttachment();
 }
 
-FFI_PLUGIN_EXPORT void spine_vertex_attachment_set_timeline_attachment(spine_vertex_attachment attachment) {
+FFI_PLUGIN_EXPORT void spine_vertex_attachment_set_timeline_attachment(spine_vertex_attachment attachment, spine_attachment timelineAttachment) {
     if (attachment == nullptr) return;
     VertexAttachment *_attachment = (VertexAttachment*)attachment;
-    _attachment->setTimelineAttachment((Attachment*)attachment);
+    _attachment->setTimelineAttachment((Attachment*)timelineAttachment);
 }
 
 // Skin
diff --git a/spine-flutter/src/spine_flutter.h b/spine-flutter/src/spine_flutter.h
index 490adab9f..e62552714 100644
--- a/spine-flutter/src/spine_flutter.h
+++ b/spine-flutter/src/spine_flutter.h
@@ -525,8 +525,8 @@ FFI_PLUGIN_EXPORT int spine_vertex_attachment_get_num_bones(spine_vertex_attachm
 FFI_PLUGIN_EXPORT int *spine_region_attachment_get_bones(spine_region_attachment attachment);
 FFI_PLUGIN_EXPORT int spine_vertex_attachment_get_num_vertices(spine_vertex_attachment attachment);
 FFI_PLUGIN_EXPORT float *spine_region_attachment_get_vertices(spine_region_attachment attachment);
-FFI_PLUGIN_EXPORT spine_attachment spine_vertex_attachment_get_timeline_attachment(spine_vertex_attachment attachment);
-FFI_PLUGIN_EXPORT void spine_vertex_attachment_set_timeline_attachment(spine_vertex_attachment attachment);
+FFI_PLUGIN_EXPORT spine_attachment spine_vertex_attachment_get_timeline_attachment(spine_vertex_attachment timelineAttachment);
+FFI_PLUGIN_EXPORT void spine_vertex_attachment_set_timeline_attachment(spine_vertex_attachment attachment, spine_attachment timelineAttachment);
 
 FFI_PLUGIN_EXPORT void spine_skin_set_attachment(spine_skin skin, int slotIndex, const char* name, spine_attachment attachment);
 FFI_PLUGIN_EXPORT spine_attachment spine_skin_get_attachment(spine_skin skin, int slotIndex, const char* name);