diff --git a/content/en/docs/releasenotes/sdk/metamodel/metamodel-11/metamodel-11.15.md b/content/en/docs/releasenotes/sdk/metamodel/metamodel-11/metamodel-11.15.md
new file mode 100644
index 00000000000..416f698a5bb
--- /dev/null
+++ b/content/en/docs/releasenotes/sdk/metamodel/metamodel-11/metamodel-11.15.md
@@ -0,0 +1,77 @@
+---
+title: "11.15"
+url: /releasenotes/sdk/metamodel-11.15/
+weight: 52 # Reduce weight by 1 to add this document to the top of the navigation
+---
+
+## 11.15.0
+
+### Workflows
+
+#### NonInterruptingTimerEventSubProcessStartActivity (Element)
+
+* We introduced the `recurrence` property. 
+
+### Settings
+
+#### WebUIProjectSettingsPart (Element)
+
+* We deleted the `enableRspackBundler` property. 
+
+### MessageDefinitions
+
+#### MessageDefinitionCollection (ModelUnit)
+
+* We deleted this modelunit. 
+
+#### MessageDefinition (Element)
+
+* We deleted this element. 
+
+#### EntityMessageDefinition (Element)
+
+* We deleted this element. 
+
+### Mappings
+
+#### MappingDocument (ModelUnit)
+* We deleted the `messageDefinition` property. 
+
+### Security
+
+#### ProjectSecurity (ModelUnit)
+
+* We changed the default value of the `strictMode` property.
+
+### DataSets
+
+#### DataSetColumn (Element)
+
+* We deleted this element. 
+
+#### DataSetDateTimeConstraint (Element)
+
+* We deleted this element. 
+
+#### DataSetNumericConstraint (Element)
+
+* We deleted this element. 
+
+#### DataSetParameter (Element)
+
+* We deleted the `constraints` property. 
+
+#### DataSetParameterConstraint (Element)
+
+* We deleted this element. 
+
+#### JavaDataSetSource (Element)
+
+* We deleted this element. 
+
+### ExcelDataImporter
+
+#### Template (ModelUnit)
+
+* We deleted the `useAsMappingSource` property. Info: "Removing as no longer required"
+
diff --git a/content/en/docs/releasenotes/sdk/model-sdk/model-sdk-4.md b/content/en/docs/releasenotes/sdk/model-sdk/model-sdk-4.md
index 98c0d54d083..e6f3648f68a 100644
--- a/content/en/docs/releasenotes/sdk/model-sdk/model-sdk-4.md
+++ b/content/en/docs/releasenotes/sdk/model-sdk/model-sdk-4.md
@@ -4,6 +4,13 @@ url: /releasenotes/sdk/model-sdk-4/
 weight: 97
 ---
 
+## 4.116.0 {#4116}
+
+**Release date: September 25th, 2026**
+
+* We added support for Mendix [11.15.0](/releasenotes/studio-pro/11.15/).
+* We added support for Mendix Metamodel [11.15.0](/releasenotes/sdk/metamodel-11.15/).
+
 ## 4.115.0 {#4115}
 
 **Release date: August 20th, 2026**