# Datomic Cloud version 441 and Query Groups

**URL:** <https://forum.datomic.com/t/datomic-cloud-version-441-and-query-groups/608>\
**Category:** Announcements\
**Created:** [September 7, 2018, 7:54pm UTC](https://forum.datomic.com/t/datomic-cloud-version-441-and-query-groups/608 "2018-09-07T19:54:02Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![stu](https://sea2.discourse-cdn.com/flex016/user_avatar/forum.datomic.com/stu/32/11_2.png) [@stu](https://forum.datomic.com/u/stu)\
**Post date:** [September 7, 2018, 7:54pm UTC](https://forum.datomic.com/t/datomic-cloud-version-441-and-query-groups/608/1 "2018-09-07T19:54:02Z")

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This message covers changes in this release. For more details, see [https://docs.datomic.com/cloud/releases.html](https://docs.datomic.com/cloud/releases.html)

**441-8477: September 7 2018 Compute Template Update**

- New feature: [query groups](https://docs.datomic.com/cloud/whatis/architecture.html#query-groups).
- New instance type option: i3.xlarge for Production.
- Improved memory settings: more stack space for Solo, more heap space for Production.
- Bugfix: fixed bug that could prevent a Production node from beginning indexing jobs.