Updated builds.

build/three.cjs

@@ -32720,8 +32720,7 @@ class BatchedMesh extends Mesh {
 				const { array, itemSize, normalized } = srcAttribute;
 
 				const dstArray = new array.constructor( maxVertexCount * itemSize );
-				const dstAttribute = new srcAttribute.constructor( dstArray, itemSize, normalized );
-				dstAttribute.setUsage( srcAttribute.usage );
+				const dstAttribute = new BufferAttribute( dstArray, itemSize, normalized );
 
 				geometry.setAttribute( attributeName, dstAttribute );
 
@@ -33039,6 +33038,7 @@ class BatchedMesh extends Mesh {
 			}
 
 			dstAttribute.needsUpdate = true;
+			dstAttribute.addUpdateRange( vertexStart * itemSize, vertexCount * itemSize );
 
 		}
 
@@ -33062,6 +33062,7 @@ class BatchedMesh extends Mesh {
 			}
 
 			dstIndex.needsUpdate = true;
+			dstIndex.addUpdateRange( indexStart, reservedRange.indexCount );
 
 		}
 

build/three.module.js

@@ -32718,8 +32718,7 @@ class BatchedMesh extends Mesh {
 				const { array, itemSize, normalized } = srcAttribute;
 
 				const dstArray = new array.constructor( maxVertexCount * itemSize );
-				const dstAttribute = new srcAttribute.constructor( dstArray, itemSize, normalized );
-				dstAttribute.setUsage( srcAttribute.usage );
+				const dstAttribute = new BufferAttribute( dstArray, itemSize, normalized );
 
 				geometry.setAttribute( attributeName, dstAttribute );
 
@@ -33037,6 +33036,7 @@ class BatchedMesh extends Mesh {
 			}
 
 			dstAttribute.needsUpdate = true;
+			dstAttribute.addUpdateRange( vertexStart * itemSize, vertexCount * itemSize );
 
 		}
 
@@ -33060,6 +33060,7 @@ class BatchedMesh extends Mesh {
 			}
 
 			dstIndex.needsUpdate = true;
+			dstIndex.addUpdateRange( indexStart, reservedRange.indexCount );
 
 		}