Legacy Stable Diffusion versions (1.x/2.x/XL) do not require any special configuration. Checkpoints should just work out of the box.
| Feature | SD 1.x | SD 2.x | SD XL | 
|---|---|---|---|
| Text-to-image | ✅ | ✅ | ✅ | 
| Image-to-image | ✅ | ✅ | ✅ | 
| Inpainting | ✅ | ✅ | ✅ | 
| LORA | ✅ | ✅ | ✅ | 
| ControlNet | ✅ | ✅ | ✅ | 
| IPAdapter | ✅ | ❌ | ✅ | 
| PULID | ✅ | ❌ | ✅ |