# v1 → v2 Migration Guide

---




---




---


---


---


---



### After (v2)
```python
from os_fast_ref.api import FastRefAPI

api = FastRefAPI()
api.reload_outdated_references()          # reload only OUTDATED
api.export_fbx_all(
    output_folder=r"J:\output",
    preset="Unreal_Ani"                   # specify preset by name
)
api.update_ui()
```