Update README.md

README.md

@@ -45,6 +45,7 @@ size_categories:
 <br />
 
 ### Update
+- 2025.3.20: Release Articulation-XL preprocessed data (a NPZ file includes vertices, faces, joints, bones, skinning weights, uuid, etc.).
 - 2025.2.16: Release metadata for Articulation-XL2.0!
 
 ### Overview
@@ -64,6 +65,12 @@ We provide the following information in the metadata of Articulation-XL2.0.
 uuid,source,vertex_count,face_count,joint_count,bone_count,category_label,fileType,fileIdentifier
 ```
 
+### Preprocessed data
+We provide the preprocessed data that saved in NPZ files, which contain the following information:
+```
+'vertices', 'faces', 'joints', 'bones', 'root_index', 'uuid', 'pc_w_norm', 'joint_names', 'skinning_weights_value', 'skinning_weights_row', 'skinning_weights_col', 'skinning_weights_shape'
+```
+
 ### Citation
 
 ```