# Datomic 0.9.5927 now available

**URL:** <https://forum.datomic.com/t/datomic-0-9-5927-now-available/1040>\
**Category:** Announcements\
**Created:** [June 27, 2019, 11:57pm UTC](https://forum.datomic.com/t/datomic-0-9-5927-now-available/1040 "2019-06-27T23:57:03Z")\
**Posts on this page:** 4\
**Page:** 1

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**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:** [June 27, 2019, 11:57pm UTC](https://forum.datomic.com/t/datomic-0-9-5927-now-available/1040/1 "2019-06-27T23:57:03Z")

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

## Changed in 0.9.5927

- New feature: Tuples.  
See [https://docs.datomic.com/on-prem/schema.html#tuples](https://docs.datomic.com/on-prem/schema.html#tuples).

- New feature: Attribute predicates.  
See [https://docs.datomic.com/on-prem/schema.html#attribute-predicates](https://docs.datomic.com/on-prem/schema.html#attribute-predicates).

- New feature: Entity specs.  
See [https://docs.datomic.com/on-prem/schema.html#entity-specs](https://docs.datomic.com/on-prem/schema.html#entity-specs).

- New feature: Return maps.  
See [https://docs.datomic.com/on-prem/query.html#return-maps](https://docs.datomic.com/on-prem/query.html#return-maps).

- New feature: Cassandra2 storage.  
See [https://docs.datomic.com/on-prem/storage.html#cassandra2](https://docs.datomic.com/on-prem/storage.html#cassandra2).

- Vulnerability Fix: Updated Commons Collections from 3.2.1 to 3.2.2.  
See [https://issues.apache.org/jira/browse/COLLECTIONS-580](https://issues.apache.org/jira/browse/COLLECTIONS-580).

- Fix: `sample` aggregate could hang query thread.

- Impoved performance of valcache cleanup.

- Updated REST server jetty dependencies from 9.3.7.v20160115 to 9.4.15.v20190215.

- Updated ActiveMQ Artemis dependencies from 1.4.0 to 1.5.6.

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**Author:** ![galdolber](https://sea2.discourse-cdn.com/flex016/user_avatar/forum.datomic.com/galdolber/32/289_2.png) [@galdolber](https://forum.datomic.com/u/galdolber)\
**Post date:** [June 28, 2019, 6:27pm UTC](https://forum.datomic.com/t/datomic-0-9-5927-now-available/1040/2 "2019-06-28T18:27:46Z")

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Great release! thanks

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**Author:** ![ro6](https://sea2.discourse-cdn.com/flex016/user_avatar/forum.datomic.com/ro6/32/324_2.png) [@ro6](https://forum.datomic.com/u/ro6)\
**Post date:** [July 13, 2019, 8:18pm UTC](https://forum.datomic.com/t/datomic-0-9-5927-now-available/1040/3 "2019-07-13T20:18:32Z")

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Are the first four features listed available in datomic-free? If not, is there a timeline for when they will be?

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**Author:** ![theronic](https://sea2.discourse-cdn.com/flex016/user_avatar/forum.datomic.com/theronic/32/198_2.png) [@theronic](https://forum.datomic.com/u/theronic)\
**Post date:** [March 3, 2025, 4:53pm UTC](https://forum.datomic.com/t/datomic-0-9-5927-now-available/1040/4 "2025-03-03T16:53:11Z")

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The links above are dead, but this forum page still comes when searching how to use Datomic Tuples.