# \[RELEASE\] ScyllaDB 5.1.15

**URL:** <https://forum.scylladb.com/t/release-scylladb-5-1-15/757>\
**Category:** Release Notes\
**Tags:** open-source, open-source-release, open-source-5-1\
**Created:** [August 6, 2023, 5:40am UTC](https://forum.scylladb.com/t/release-scylladb-5-1-15/757 "2023-08-06T05:40:00Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![tzach](https://sea2.discourse-cdn.com/flex016/user_avatar/forum.scylladb.com/tzach/32/172_2.png) [@tzach](https://forum.scylladb.com/u/tzach)\
**Post date:** [August 6, 2023, 5:40am UTC](https://forum.scylladb.com/t/release-scylladb-5-1-15/757/1 "2023-08-06T05:40:01Z")

</div>

The ScyllaDB team announces ScyllaDB Open Source 5.1.15, a bugfix release of the ScyllaDB [5.1](https://forum.scylladb.com/t/release-scylla-5-1-0-part-1/126) stable branch. ScyllaDB Open Source 5.1.15, like all past and future 5.x.y releases are backward compatible and support [rolling upgrades](https://docs.scylladb.com/upgrade/upgrade-opensource/upgrade-guide-from-5.x.y-to-5.x.z/).

Note that the latest stable ScyllaDB Open Source release is [5.2](https://forum.scylladb.com/t/release-scylla-5-2-0-release-part-1/519), and you are encouraged to upgrade to it.

Related links:

- [ScyllaDB Open Source 5.1](https://forum.scylladb.com/t/release-scylla-5-1-0-part-1/126)
- [Get ScyllaDB Open Source](https://www.scylladb.com/download/open-source/) - AWS AMI, GCP Docker, binary packages and unified installer
- [ScyllaDB Web Installer for Linux](https://docs.scylladb.com/stable/getting-started/install-scylla/scylla-web-installer.html) (all releases)
- [Upgrade from ScyllaDB Open Source 5.x.y to Scylla Open Source 5.x.z](https://docs.scylladb.com/upgrade/upgrade-opensource/upgrade-guide-from-5.x.y-to-5.x.z/)
- [Upgrade from ScyllaDB Open Source 5.0.x to 5.1.y](https://docs.scylladb.com/upgrade/upgrade-opensource/upgrade-guide-from-5.0-to-5.1/)
- Please[let us know](https://github.com/scylladb/scylla/issues) if you encounter an issue.

Issue fixed in this release:

- Setup: scylla-fstrim.timer is enabled but not started [#14249](https://github.com/scylladb/scylladb/issues/14249)
- DynamoDB API ([Alternator](https://enterprise.docs.scylladb.com/stable/alternator/alternator.html)) stability: assertion in output\_stream when exception occurs during response streaming [#14453](https://github.com/scylladb/scylladb/issues/14453).
- DynamoDB API ([Alternator](https://enterprise.docs.scylladb.com/stable/alternator/alternator.html)) stability: Yield while building large results in Alternator - rjson::print, executor::batch\_get\_item [#13689](https://github.com/scylladb/scylladb/issues/13689)
- Stability: cached\_file, used by index caching, will potentially cause a crash after OOM [#14814](https://github.com/scylladb/scylladb/issues/14814)
- Stability: deadlock caused by view update \_registration\_sem and streaming reader \_streaming\_concurrency\_sem [#14676](https://github.com/scylladb/scylladb/issues/14676)
- Stability stack-use-after-return in table::make\_reader\_v2\_excluding\_staging() [#14812](https://github.com/scylladb/scylladb/issues/14812)