Version 3.5.7 of Eclipse Ditto, released on 10.06.2024
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This is a bugfix release, no new features since 3.5.6 were added.


Compared to the latest release 3.5.6, the following changes and bugfixes were added.


This is a complete list of the merged pull requests.

Fixed that configuring “oauth2” based authentication for “devops” access does not allow to use a different OpenID connect provider

Reported issue #1946, which caused that a configured oauth2 based authentication of the /devops resources was not working with a different OIDC provider than used for the default authentication, was fixed by PR #1948.

Fix performance regression issue when running against MongoDB 6

An aggregation query done by Ditto as part of background deletion was quick with MongoDB 5, however the MongoDB 6 query planner chose to use another index to run that aggregation query than MongoDB 5.
Depending on the amount of data in Ditto, this could lead to a 500 times higher query time, resulting in a lot of unneeded disk IOPS in MongoDB.

The fix provided in PR #1956 provides the option to configure a hint which index name to use should provide the option to fine-tune as needed.
By default, the mentioned query now is configured to use the default index "_id_" which should be best for that specific case.

Helm Chart

The Ditto Helm Chart contained some configuration bugs and enhancements which are also addressed with this bugfix release.

Fix Ingress Websocket authentication

PR #1953 provides a fix for authentication of the /ws (WebSocket) resource by the nginx configured as “Ingress” in the Helm chart.

Add possibility to customize image used for pod-deletion-cost annotation patching job

PR #1954 provides the option to customize the image to be used for the pod-deletion-cost annotation jobs.
This can e.g. be useful in order to use a custom image and/or a private docker registry for this image.