Announcing: Batch Keys

Batch keys allows developers to group work units by leveraging Inngest's efficient event-matching engine.

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We are thrilled to release Batch Keys, a powerful addition to _Event Batching_. This new feature allows developers to group work units by leveraging [Inngest's efficient event-matching engine](https://www.inngest.com/blog/accidentally-quadratic-evaluating-trillions-of-event-matches-in-real-time), unlocking new advanced use cases such as Batch User Notifications or more efficient processing of large volumes of events.

Learn more about Announcing: Batch Keys in our guide today.