> 🌙 **This release is a pre-release and requires [spaCy v3](https://nightly.spacy.io/usage/v3) (nightly).**
✨ New features and improvements
- Rewrite library from scratch for spaCy v3.0.
- `Transformer` component for easy pipeline integration.
- `TransformerListener` to share transformer weights between components.
- Built-in registered functions that are available in spaCy if `spacy-transformers` is installed in the same environment.
📖 Documentation
- [Embeddings, Transformers and Transfer Learning](https://nightly.spacy.io/usage/embeddings-transformers): How to use transformers in spaCy
- [Training Pipelines and Models](https://nightly.spacy.io/usage/training):
Train and update components on your own data and integrate custom models
- [Layers and Model Architectures](https://nightly.spacy.io/usage/layers-architectures):
Power spaCy components with custom neural networks
- [`Transformer`](https://nightly.spacy.io/api/transformer): Pipeline component API reference
- [Transformer architectures](https://nightly.spacy.io/api/architectures#transformers): Architectures and registered functions