# Changelog 2023 08 29

### Support for pgvector v0.5.0

We are pleased to announce support for [pgvector v0.5.0](https://github.com/pgvector/pgvector) on Neon. This new version introduces:

- Hierarchical Navigable Small Worlds (HNSW) indexing for faster retrieval
- Faster distance functions
- Parallel builds for `ivfflat` indexes

If you already use `pgvector` with Neon, you can upgrade by running the following command:

```sql
ALTER EXTENSION vector UPDATE TO '0.5.0';
```

## Related pages

- [Add users and authentication](./auth-index.md)
- [AI tools for Agents](./ai-agents-on-neon-index.md)
- [APIs & SDKs](./apis-sdks-index.md)
- [Changelog](../changelog.md)
- [Explore the full platform: functions, object storage, AI Gateway, and more](./neon-docs-index.md)
- [Integrating with Neon](./building-on-neon-index.md)
- [Lakebase Postgres](./postgres-index.md)
- [More](./more-index.md)
- [Neon AI Gateway](./ai-gateway-index.md)
- [Neon community](./community-index.md)

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