August 2025
- Introduced a new api to rename a namespace
 
March 2025
- Allow deleting vectors with id prefix or metadata filter.
 - Allow fetching and ranging over vectors with id prefix.
 
February 2025
- Introduced official SDK’s for PHP & Laravel.
 
January 2025
- Introduced Sparse and Hybrid indexes.
- Sparse Indexes details.
 - Hybrid Indexes details.
 
 
September 2024
- Introduced resumable query/search functionality, allowing to initiate and continue queries across multiple api calls.
 - Added embedding latency charts to the Upstash Console vector usage page.
 
July 2024
Added new 
HAS FIELD and HAS NOT FIELD metadata filtering operators.June 2024
- Implemented a new feature to store raw data in text format alongside metadata. See Metadata and 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.
 - Added reset all namespaces API. See Reset Namespace API.
 - Improved query APIs to send a batch of queries in a single request. See Query API.
 
May 2024
- Introduced namespaces feature.
 - Added GCP US-Central1 region.
 
April 2024
Added option to upsert and query raw data using Upstash embedding service.
February 2024
Implemented metadata filtering with SQL-like syntax. See Metadata Filtering.
January 2024