Add release note

Author: MarkvanMents

content/en/docs/releasenotes/deployment/_index.md

@@ -15,7 +15,7 @@ Follow the links in the table below to see the release notes you want:
 
 | Type of Deployment | Last Updated |
 | --- | --- |
-| [Mendix Cloud](/releasenotes/developer-portal/mendix-cloud/) | February 27, 2025 |
+| [Mendix Cloud](/releasenotes/developer-portal/mendix-cloud/) | April 17, 2025 |
 | [Mendix for Private Cloud](/releasenotes/developer-portal/mendix-for-private-cloud/) | March 20, 2025 |
 | [Mendix on Azure](/releasenotes/developer-portal/mendix-on-azure/) | March 20, 2025 |
 | [SAP Business Technology Platform (SAP BTP)](/releasenotes/developer-portal/sap-cloud-platform/) | August 27, 2024 |

content/en/docs/releasenotes/deployment/mendix-cloud.md

@@ -16,6 +16,12 @@ For information on the current status of deployment to Mendix Cloud and any plan
 
 ## 2025
 
+### April 17, 2025
+
+#### Improvements
+
+* We have added new environment variables which allow you to control the buffer size and buffer memory for the Fluentbit agent for Splunk and New Relic.
+
 ### February 27, 2025
 
 #### Improvements