Event Store blog


Release Notes

EventStoreDB 5.0.9 Release

Hayley Campbell  |  16 October 2020

5.0.9 Release Notes

We are pleased to announce the official release of EventStoreDB 5.0.9!

This release contains fixes for projections and an improvement to the overall stability of the product.

It is available for the following operating systems:

  • Windows
  • Ubuntu 16.04
  • Ubuntu 18.04
  • CentOS 7 (Commercial version)
  • Amazon Linux 1 (Commercial version)
  • Amazon Linux 2 (Commercial version)
  • Oracle Linux 7 (Commercial version)

Where Can I Get the Packages?

Downloads are available on our website.

The packages can be installed using the following instructions.

Ubuntu 16.04/18.04 (via packagecloud)

curl -s https://packagecloud.io/install/repositories/EventStore/EventStore-OSS/script.deb.sh sudo bash

sudo apt-get install eventstore-oss=5.0.9-1

Windows (via Chocolatey)

choco install eventstore-oss -version 5.0.9

.NET TCP Client Packages

This is a server release only. A v5.0.9 TCP client already exists in nuget and can be installed with:

dotnet add package EventStore.Client –version 5.0.9

Upgrade Procedure

To upgrade a cluster, a usual rolling upgrade can be done:

  • Pick a node (Start with follower nodes first, then choose the leader last)
  • Stop the node, upgrade it and start it

Event Store 5.0.9 Changelog

  • #2575 - (Server) Use a loop instead of recursion for synchronous Receive- and SendAsync
  • #2592 - (Projections) Backport projection fixes containing:
    • #2586 - (Projections) Filter out unresolved events when checking for deleted partitions
    • #2424 - (Projections) Ignore invalid link events
    • #2430 - (Projections) Avoid parsing metadata if null in ByCorrelationId projection
  • #2612 - (Server) Add logging around cases where the latest stream’s prepare could not be read

Providing Feedback

If you encounter any issues, please don’t hesitate to open an issue on GitHub if there isn’t one already.

Additionally, there is a fairly active discuss channel, and an #eventstore channel on the DDD-CQRS-ES Slack community.


Photo of Hayley Campbell

Hayley Campbell Hayley is a developer and support agent for Event Store and works in our Netherlands office. She was part of the team back in 2015 and rejoined in 2019. In her spare time she enjoys playing games.