# Datomic 1.0.6316 now available

**URL:** <https://forum.datomic.com/t/datomic-1-0-6316-now-available/1911>\
**Category:** Announcements\
**Created:** [July 23, 2021, 1:28am UTC](https://forum.datomic.com/t/datomic-1-0-6316-now-available/1911 "2021-07-23T01:28:01Z")\
**Posts on this page:** 1\
**Page:** 1

<div class="post-metadata">

**Author:** ![jaret](https://sea2.discourse-cdn.com/flex016/user_avatar/forum.datomic.com/jaret/32/45_2.png) [@jaret](https://forum.datomic.com/u/jaret)\
**Post date:** [July 23, 2021, 1:28am UTC](https://forum.datomic.com/t/datomic-1-0-6316-now-available/1911/1 "2021-07-23T01:28:01Z")

</div>

This message covers changes in this release. For a summary of critical release notices, see [https://docs.datomic.com/on-prem/release-notices.html](https://docs.datomic.com/on-prem/release-notices.html)

Changed in 1.0.6316

- New feature: AWS memcached auto-discovery  
See [Memory and Caching | Datomic](https://docs.datomic.com/on-prem/caching.html#node-auto-discovery)
- Improved performance for query under heavy parallel load.
- Fix: Attribute specs respect `false` values when ensuring attribute existence.

[[Change Log | Datomic](https://docs.datomic.com/on-prem/changes.html#1.0.6316)]