# Release - Federate 7.17.1 - 27.1

**URL:** <https://community.siren.io/t/release-federate-7-17-1-27-1/477>\
**Category:** Announcements\
**Created:** [April 14, 2022, 12:58pm UTC](https://community.siren.io/t/release-federate-7-17-1-27-1/477 "2022-04-14T12:58:33Z")\
**Posts on this page:** 1\
**Page:** 1

<div class="post-metadata">

**Author:** ![renaud.delbru](https://yyz2.discourse-cdn.com/flex032/user_avatar/community.siren.io/renaud.delbru/32/13_2.png) [@renaud.delbru](https://community.siren.io/u/renaud.delbru)\
**Post date:** [April 14, 2022, 12:58pm UTC](https://community.siren.io/t/release-federate-7-17-1-27-1/477/1 "2022-04-14T12:58:33Z")

</div>

We’re happy to announce today a new release of Siren Federate version 27 - which is compatible with Elasticsearch version 7.17.1. This release includes the following:

Enhancements:

- Upgraded to Elasticsearch 7.17.1
- Various optimizations of the vectorized processing pipeline. Most noticeably:
  - In case of local transfer requests, data packets serialization now directly uses an Arrow buffer.
  - Improved projection of single-valued columns.

Download it [here](https://siren.io/downloads/?product=siren-federate).