Persistent resource for Vertex AI custom training is generally available (GA)
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## Announcement
[Persistent resource](https://cloud.google.com/vertex-ai/docs/training/persistent-resource-overview) for Vertex AI custom training is generally available ([GA](https://cloud.google.com/products#product-launch-stages)).
## Feature
**Vertex AI Feature Store**
The following features of Vertex AI Feature Store are now generally available ([GA](https://cloud.google.com/products#product-launch-stages)):
* **Optimized online serving**: Serve features at ultra-low latencies. For more information, see [Optimized online serving](https://cloud.google.com/vertex-ai/docs/featurestore/latest/online-serving-types#optimized%5Fserving).
* **Search using embeddings**: Perform vector similarity searches to retrieve semantically similar or related features for real-time serving. You can search using embeddings if your online store is configured to support embeddings. For more information, see [Search using embeddings](https://cloud.google.com/vertex-ai/docs/featurestore/latest/embeddings-search).
* **Feature view sync**: Refresh or synchronize the feature data in a feature view within an online store from the feature data source in BigQuery. For more information, see [Sync feature data to online store](https://cloud.google.com/vertex-ai/docs/featurestore/latest/sync-data).