> ## Documentation Index
> Fetch the complete documentation index at: https://upstash.com/docs/llms.txt
> Use this file to discover all available pages before exploring further.

# Changelog

<Update label="August 2025">
  * Introduced a new api to [rename a namespace](../api/endpoints/rename-namespace)
</Update>

<Update label="March 2025">
  * Allow deleting vectors with [id prefix](../api/endpoints/delete#param-prefix)
    or [metadata filter](../api/endpoints/delete#param-filter).
  * Allow [fetching](../api/endpoints/fetch#param-prefix)
    and [ranging](../api/endpoints/range#param-prefix) over vectors with id prefix.
</Update>

<Update label="February 2025">
  * Introduced official SDK's for [PHP & Laravel](../sdks/php/getting-started).
</Update>

<Update label="January 2025">
  * Introduced [Sparse and Hybrid indexes](https://upstash.com/blog/sparse-and-hybrid-indexes).
    * [Sparse Indexes](../features/sparseindexes) details.
    * [Hybrid Indexes](../features/hybridindexes) details.
</Update>

<Update label="September 2024">
  * Introduced [resumable query/search](../features/resumablequery) functionality, allowing to initiate and continue queries across multiple api calls.
    * [Typescript SDK](../sdks/ts/commands/resumable-query)
    * [Python SDK](../sdks/py/example_calls/resumable-query)
  * Added embedding latency charts to the Upstash Console vector usage page.
</Update>

<Update label="July 2024">
  Added new [`HAS FIELD`](../features/filtering#has-field) and [`HAS NOT FIELD`](../features/filtering#has-not-field) metadata filtering operators.
</Update>

<Update label="June 2024">
  * Implemented a new feature to store raw data in text format alongside metadata. See [Metadata and Data](../features/metadata#data).
  * Added an API for updating vector, data, or metadata. It's also possible to update the metadata without overwriting all.
    See [Update Vector](../api/endpoints/update) API.
  * Added reset all namespaces API. See [Reset Namespace](../api/endpoints/reset) API.
  * Improved query APIs to send a batch of queries in a single request. See [Query](../api/endpoints/query) API.
</Update>

<Update label="May 2024">
  * Introduced [namespaces feature](/vector/features/namespaces).
  * Added GCP US-Central1 region.
</Update>

<Update label="April 2024">
  Added option to upsert and query raw data using [Upstash embedding service](/vector/features/embeddingmodels).
</Update>

<Update label="February 2024">
  Implemented metadata filtering with SQL-like syntax. See [Metadata Filtering](/vector/features/filtering).
</Update>

<Update label="January 2024">
  [Initial release!](https://upstash.com/blog/introducing-vector-database)
</Update>