| **Feature set version:** 7.4<br /><br />**Component versions:**<br />[Redis 7.4]({{<relref "/operate/oss_and_stack/stack-with-enterprise/release-notes/redisce/redisce-7.4-release-notes.md">}})<br />[Search 2.10]({{< relref "/operate/oss_and_stack/stack-with-enterprise/release-notes/redisearch/redisearch-2.10-release-notes.md" >}})<br />[JSON 2.8]({{<relref "operate/oss_and_stack/stack-with-enterprise/release-notes/redisjson/redisjson-2.8-release-notes.md">}})<br />[Time series 1.12]({{<relref "/operate/oss_and_stack/stack-with-enterprise/release-notes/redistimeseries/redistimeseries-1.12-release-notes.md">}})<br />[Bloom 2.8]({{<relref "/operate/oss_and_stack/stack-with-enterprise/release-notes/redisbloom/redisbloom-2.8-release-notes.md">}}) | **Hash**: <br>- [Expiration of individual hash fields]({{<relref "/develop/data-types/hashes#field-expiration">}}). <br> **Streams**: <br>- To start reading from the last stream message, use [`XREAD`]({{<relref "/commands/xread">}}) with the new ID value `+`.<br> **Time series**: <br>Insertion-filter for close samples. <br> **JSON**: <br>- A fix to not duplicate `AOF` commands multiple times in [`JSON.MSET`]({{< baseurl >}}/commands/json.mset/). <br> **Probabilistic**: <br>- Returns an error if [`CMS.MERGE`]({{< baseurl >}}/commands/cms.merge/) results in an overflow or underflow. <br> **Redis Query Engine**: <br>- New `BFLOAT16` and `FLOAT16` vector data types, reducing memory consumed by vectors while preserving accuracy. <br>- Support for indexing empty and missing values and enhanced developer experience for queries with exact matching capabilities. <br>- You can match `TAG` fields without needing to escape special characters. <br>- Expanded geospatial search with new `INTERSECT` and `DISJOINT` operators, improved reporting of the memory consumed by the index, and exposed full-text scoring in aggregation pipelines. <br> **Compatibility changes**: <br>- Redis feature set 7.4 does not include [triggers and functions]({{<relref "/operate/oss_and_stack/stack-with-enterprise/deprecated-features/triggers-and-functions">}}). To ensure a seamless upgrade, remove any T&F functions created before loading an RDB file into the new Redis Stack. |
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