diff --git a/org.eclipse.xtext.tests/testdata/wizard-expectations/org.xtext.example.full/org.xtext.example.full.parent/org.xtext.example.full.target/org.xtext.example.full.target.target b/org.eclipse.xtext.tests/testdata/wizard-expectations/org.xtext.example.full/org.xtext.example.full.parent/org.xtext.example.full.target/org.xtext.example.full.target.target
index 1a5051c43..a506f5378 100644
--- a/org.eclipse.xtext.tests/testdata/wizard-expectations/org.xtext.example.full/org.xtext.example.full.parent/org.xtext.example.full.target/org.xtext.example.full.target.target
+++ b/org.eclipse.xtext.tests/testdata/wizard-expectations/org.xtext.example.full/org.xtext.example.full.parent/org.xtext.example.full.target/org.xtext.example.full.target.target
@@ -12,7 +12,7 @@
 		</location>
 		<location includeAllPlatforms="false" includeConfigurePhase="false" includeMode="planner" includeSource="true" type="InstallableUnit">
 			<unit id="org.eclipse.emf.mwe2.launcher.feature.group" version="0.0.0"/>
-			<repository location="https://download.eclipse.org/modeling/emft/mwe/updates/releases/2.11.2/"/>
+			<repository location="https://download.eclipse.org/modeling/emft/mwe/updates/milestones/S202005051610/"/>
 		</location>
 		<location includeAllPlatforms="false" includeConfigurePhase="false" includeMode="planner" includeSource="true" type="InstallableUnit">
 			<unit id="org.eclipse.xtext.sdk.feature.group" version="0.0.0"/>
diff --git a/org.eclipse.xtext.tests/testdata/wizard-expectations/org.xtext.example.full/org.xtext.example.full.parent/pom.xml b/org.eclipse.xtext.tests/testdata/wizard-expectations/org.xtext.example.full/org.xtext.example.full.parent/pom.xml
index 0cc550206..d3b08704c 100644
--- a/org.eclipse.xtext.tests/testdata/wizard-expectations/org.xtext.example.full/org.xtext.example.full.parent/pom.xml
+++ b/org.eclipse.xtext.tests/testdata/wizard-expectations/org.xtext.example.full/org.xtext.example.full.parent/pom.xml
@@ -8,7 +8,7 @@
 
 	<properties>
 		<xtextVersion>unspecified</xtextVersion>
-		<mwe2Version>2.11.2</mwe2Version>
+		<mwe2Version>2.11.3.M3</mwe2Version>
 		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
 		<maven.compiler.source>1.8</maven.compiler.source>
 		<maven.compiler.target>1.8</maven.compiler.target>
diff --git a/org.eclipse.xtext.tests/testdata/wizard-expectations/org.xtext.example.lsMavenTychoApp/org.xtext.example.lsMavenTychoApp.parent/org.xtext.example.lsMavenTychoApp.target/org.xtext.example.lsMavenTychoApp.target.target b/org.eclipse.xtext.tests/testdata/wizard-expectations/org.xtext.example.lsMavenTychoApp/org.xtext.example.lsMavenTychoApp.parent/org.xtext.example.lsMavenTychoApp.target/org.xtext.example.lsMavenTychoApp.target.target
index 59b58c7d0..7434e1842 100644
--- a/org.eclipse.xtext.tests/testdata/wizard-expectations/org.xtext.example.lsMavenTychoApp/org.xtext.example.lsMavenTychoApp.parent/org.xtext.example.lsMavenTychoApp.target/org.xtext.example.lsMavenTychoApp.target.target
+++ b/org.eclipse.xtext.tests/testdata/wizard-expectations/org.xtext.example.lsMavenTychoApp/org.xtext.example.lsMavenTychoApp.parent/org.xtext.example.lsMavenTychoApp.target/org.xtext.example.lsMavenTychoApp.target.target
@@ -12,7 +12,7 @@
 		</location>
 		<location includeAllPlatforms="false" includeConfigurePhase="false" includeMode="planner" includeSource="true" type="InstallableUnit">
 			<unit id="org.eclipse.emf.mwe2.launcher.feature.group" version="0.0.0"/>
-			<repository location="https://download.eclipse.org/modeling/emft/mwe/updates/releases/2.11.2/"/>
+			<repository location="https://download.eclipse.org/modeling/emft/mwe/updates/milestones/S202005051610/"/>
 		</location>
 		<location includeAllPlatforms="false" includeConfigurePhase="false" includeMode="planner" includeSource="true" type="InstallableUnit">
 			<unit id="org.eclipse.xtext.sdk.feature.group" version="0.0.0"/>
diff --git a/org.eclipse.xtext.tests/testdata/wizard-expectations/org.xtext.example.lsMavenTychoApp/org.xtext.example.lsMavenTychoApp.parent/pom.xml b/org.eclipse.xtext.tests/testdata/wizard-expectations/org.xtext.example.lsMavenTychoApp/org.xtext.example.lsMavenTychoApp.parent/pom.xml
index f099966ed..aa8a8a3a7 100644
--- a/org.eclipse.xtext.tests/testdata/wizard-expectations/org.xtext.example.lsMavenTychoApp/org.xtext.example.lsMavenTychoApp.parent/pom.xml
+++ b/org.eclipse.xtext.tests/testdata/wizard-expectations/org.xtext.example.lsMavenTychoApp/org.xtext.example.lsMavenTychoApp.parent/pom.xml
@@ -8,7 +8,7 @@
 
 	<properties>
 		<xtextVersion>unspecified</xtextVersion>
-		<mwe2Version>2.11.2</mwe2Version>
+		<mwe2Version>2.11.3.M3</mwe2Version>
 		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
 		<maven.compiler.source>1.8</maven.compiler.source>
 		<maven.compiler.target>1.8</maven.compiler.target>
diff --git a/org.eclipse.xtext.tests/testdata/wizard-expectations/org.xtext.example.lsMavenTychoFatjar/org.xtext.example.lsMavenTychoFatjar.parent/org.xtext.example.lsMavenTychoFatjar.target/org.xtext.example.lsMavenTychoFatjar.target.target b/org.eclipse.xtext.tests/testdata/wizard-expectations/org.xtext.example.lsMavenTychoFatjar/org.xtext.example.lsMavenTychoFatjar.parent/org.xtext.example.lsMavenTychoFatjar.target/org.xtext.example.lsMavenTychoFatjar.target.target
index 52e44b63d..9758a3e66 100644
--- a/org.eclipse.xtext.tests/testdata/wizard-expectations/org.xtext.example.lsMavenTychoFatjar/org.xtext.example.lsMavenTychoFatjar.parent/org.xtext.example.lsMavenTychoFatjar.target/org.xtext.example.lsMavenTychoFatjar.target.target
+++ b/org.eclipse.xtext.tests/testdata/wizard-expectations/org.xtext.example.lsMavenTychoFatjar/org.xtext.example.lsMavenTychoFatjar.parent/org.xtext.example.lsMavenTychoFatjar.target/org.xtext.example.lsMavenTychoFatjar.target.target
@@ -12,7 +12,7 @@
 		</location>
 		<location includeAllPlatforms="false" includeConfigurePhase="false" includeMode="planner" includeSource="true" type="InstallableUnit">
 			<unit id="org.eclipse.emf.mwe2.launcher.feature.group" version="0.0.0"/>
-			<repository location="https://download.eclipse.org/modeling/emft/mwe/updates/releases/2.11.2/"/>
+			<repository location="https://download.eclipse.org/modeling/emft/mwe/updates/milestones/S202005051610/"/>
 		</location>
 		<location includeAllPlatforms="false" includeConfigurePhase="false" includeMode="planner" includeSource="true" type="InstallableUnit">
 			<unit id="org.eclipse.xtext.sdk.feature.group" version="0.0.0"/>
diff --git a/org.eclipse.xtext.tests/testdata/wizard-expectations/org.xtext.example.lsMavenTychoFatjar/org.xtext.example.lsMavenTychoFatjar.parent/pom.xml b/org.eclipse.xtext.tests/testdata/wizard-expectations/org.xtext.example.lsMavenTychoFatjar/org.xtext.example.lsMavenTychoFatjar.parent/pom.xml
index 974257d88..8d4afd9a7 100644
--- a/org.eclipse.xtext.tests/testdata/wizard-expectations/org.xtext.example.lsMavenTychoFatjar/org.xtext.example.lsMavenTychoFatjar.parent/pom.xml
+++ b/org.eclipse.xtext.tests/testdata/wizard-expectations/org.xtext.example.lsMavenTychoFatjar/org.xtext.example.lsMavenTychoFatjar.parent/pom.xml
@@ -8,7 +8,7 @@
 
 	<properties>
 		<xtextVersion>unspecified</xtextVersion>
-		<mwe2Version>2.11.2</mwe2Version>
+		<mwe2Version>2.11.3.M3</mwe2Version>
 		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
 		<maven.compiler.source>1.8</maven.compiler.source>
 		<maven.compiler.target>1.8</maven.compiler.target>
diff --git a/org.eclipse.xtext.tests/testdata/wizard-expectations/org.xtext.example.mavenTycho/org.xtext.example.mavenTycho.parent/org.xtext.example.mavenTycho.target/org.xtext.example.mavenTycho.target.target b/org.eclipse.xtext.tests/testdata/wizard-expectations/org.xtext.example.mavenTycho/org.xtext.example.mavenTycho.parent/org.xtext.example.mavenTycho.target/org.xtext.example.mavenTycho.target.target
index 75f812bd3..9d6910b34 100644
--- a/org.eclipse.xtext.tests/testdata/wizard-expectations/org.xtext.example.mavenTycho/org.xtext.example.mavenTycho.parent/org.xtext.example.mavenTycho.target/org.xtext.example.mavenTycho.target.target
+++ b/org.eclipse.xtext.tests/testdata/wizard-expectations/org.xtext.example.mavenTycho/org.xtext.example.mavenTycho.parent/org.xtext.example.mavenTycho.target/org.xtext.example.mavenTycho.target.target
@@ -12,7 +12,7 @@
 		</location>
 		<location includeAllPlatforms="false" includeConfigurePhase="false" includeMode="planner" includeSource="true" type="InstallableUnit">
 			<unit id="org.eclipse.emf.mwe2.launcher.feature.group" version="0.0.0"/>
-			<repository location="https://download.eclipse.org/modeling/emft/mwe/updates/releases/2.11.2/"/>
+			<repository location="https://download.eclipse.org/modeling/emft/mwe/updates/milestones/S202005051610/"/>
 		</location>
 		<location includeAllPlatforms="false" includeConfigurePhase="false" includeMode="planner" includeSource="true" type="InstallableUnit">
 			<unit id="org.eclipse.xtext.sdk.feature.group" version="0.0.0"/>
diff --git a/org.eclipse.xtext.tests/testdata/wizard-expectations/org.xtext.example.mavenTycho/org.xtext.example.mavenTycho.parent/pom.xml b/org.eclipse.xtext.tests/testdata/wizard-expectations/org.xtext.example.mavenTycho/org.xtext.example.mavenTycho.parent/pom.xml
index cd5aa1c72..0b6befa7b 100644
--- a/org.eclipse.xtext.tests/testdata/wizard-expectations/org.xtext.example.mavenTycho/org.xtext.example.mavenTycho.parent/pom.xml
+++ b/org.eclipse.xtext.tests/testdata/wizard-expectations/org.xtext.example.mavenTycho/org.xtext.example.mavenTycho.parent/pom.xml
@@ -8,7 +8,7 @@
 
 	<properties>
 		<xtextVersion>unspecified</xtextVersion>
-		<mwe2Version>2.11.2</mwe2Version>
+		<mwe2Version>2.11.3.M3</mwe2Version>
 		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
 		<maven.compiler.source>1.8</maven.compiler.source>
 		<maven.compiler.target>1.8</maven.compiler.target>
diff --git a/org.eclipse.xtext.tests/testdata/wizard-expectations/org.xtext.example.mavenTychoJ9/org.xtext.example.mavenTychoJ9.parent/org.xtext.example.mavenTychoJ9.target/org.xtext.example.mavenTychoJ9.target.target b/org.eclipse.xtext.tests/testdata/wizard-expectations/org.xtext.example.mavenTychoJ9/org.xtext.example.mavenTychoJ9.parent/org.xtext.example.mavenTychoJ9.target/org.xtext.example.mavenTychoJ9.target.target
index 04e2c9610..4c494e14a 100644
--- a/org.eclipse.xtext.tests/testdata/wizard-expectations/org.xtext.example.mavenTychoJ9/org.xtext.example.mavenTychoJ9.parent/org.xtext.example.mavenTychoJ9.target/org.xtext.example.mavenTychoJ9.target.target
+++ b/org.eclipse.xtext.tests/testdata/wizard-expectations/org.xtext.example.mavenTychoJ9/org.xtext.example.mavenTychoJ9.parent/org.xtext.example.mavenTychoJ9.target/org.xtext.example.mavenTychoJ9.target.target
@@ -12,7 +12,7 @@
 		</location>
 		<location includeAllPlatforms="false" includeConfigurePhase="false" includeMode="planner" includeSource="true" type="InstallableUnit">
 			<unit id="org.eclipse.emf.mwe2.launcher.feature.group" version="0.0.0"/>
-			<repository location="https://download.eclipse.org/modeling/emft/mwe/updates/releases/2.11.2/"/>
+			<repository location="https://download.eclipse.org/modeling/emft/mwe/updates/milestones/S202005051610/"/>
 		</location>
 		<location includeAllPlatforms="false" includeConfigurePhase="false" includeMode="planner" includeSource="true" type="InstallableUnit">
 			<unit id="org.eclipse.xtext.sdk.feature.group" version="0.0.0"/>
diff --git a/org.eclipse.xtext.tests/testdata/wizard-expectations/org.xtext.example.mavenTychoJ9/org.xtext.example.mavenTychoJ9.parent/pom.xml b/org.eclipse.xtext.tests/testdata/wizard-expectations/org.xtext.example.mavenTychoJ9/org.xtext.example.mavenTychoJ9.parent/pom.xml
index c64690032..104f385b1 100644
--- a/org.eclipse.xtext.tests/testdata/wizard-expectations/org.xtext.example.mavenTychoJ9/org.xtext.example.mavenTychoJ9.parent/pom.xml
+++ b/org.eclipse.xtext.tests/testdata/wizard-expectations/org.xtext.example.mavenTychoJ9/org.xtext.example.mavenTychoJ9.parent/pom.xml
@@ -8,7 +8,7 @@
 
 	<properties>
 		<xtextVersion>unspecified</xtextVersion>
-		<mwe2Version>2.11.2</mwe2Version>
+		<mwe2Version>2.11.3.M3</mwe2Version>
 		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
 		<maven.compiler.source>9</maven.compiler.source>
 		<maven.compiler.target>9</maven.compiler.target>
diff --git a/org.eclipse.xtext.tests/testdata/wizard-expectations/org.xtext.example.mavenTychoP2/org.xtext.example.mavenTychoP2.parent/org.xtext.example.mavenTychoP2.target/org.xtext.example.mavenTychoP2.target.target b/org.eclipse.xtext.tests/testdata/wizard-expectations/org.xtext.example.mavenTychoP2/org.xtext.example.mavenTychoP2.parent/org.xtext.example.mavenTychoP2.target/org.xtext.example.mavenTychoP2.target.target
index add14924d..6791e8527 100644
--- a/org.eclipse.xtext.tests/testdata/wizard-expectations/org.xtext.example.mavenTychoP2/org.xtext.example.mavenTychoP2.parent/org.xtext.example.mavenTychoP2.target/org.xtext.example.mavenTychoP2.target.target
+++ b/org.eclipse.xtext.tests/testdata/wizard-expectations/org.xtext.example.mavenTychoP2/org.xtext.example.mavenTychoP2.parent/org.xtext.example.mavenTychoP2.target/org.xtext.example.mavenTychoP2.target.target
@@ -12,7 +12,7 @@
 		</location>
 		<location includeAllPlatforms="false" includeConfigurePhase="false" includeMode="planner" includeSource="true" type="InstallableUnit">
 			<unit id="org.eclipse.emf.mwe2.launcher.feature.group" version="0.0.0"/>
-			<repository location="https://download.eclipse.org/modeling/emft/mwe/updates/releases/2.11.2/"/>
+			<repository location="https://download.eclipse.org/modeling/emft/mwe/updates/milestones/S202005051610/"/>
 		</location>
 		<location includeAllPlatforms="false" includeConfigurePhase="false" includeMode="planner" includeSource="true" type="InstallableUnit">
 			<unit id="org.eclipse.xtext.sdk.feature.group" version="0.0.0"/>
diff --git a/org.eclipse.xtext.tests/testdata/wizard-expectations/org.xtext.example.mavenTychoP2/org.xtext.example.mavenTychoP2.parent/pom.xml b/org.eclipse.xtext.tests/testdata/wizard-expectations/org.xtext.example.mavenTychoP2/org.xtext.example.mavenTychoP2.parent/pom.xml
index 96f40c2c9..198e3b047 100644
--- a/org.eclipse.xtext.tests/testdata/wizard-expectations/org.xtext.example.mavenTychoP2/org.xtext.example.mavenTychoP2.parent/pom.xml
+++ b/org.eclipse.xtext.tests/testdata/wizard-expectations/org.xtext.example.mavenTychoP2/org.xtext.example.mavenTychoP2.parent/pom.xml
@@ -8,7 +8,7 @@
 
 	<properties>
 		<xtextVersion>unspecified</xtextVersion>
-		<mwe2Version>2.11.2</mwe2Version>
+		<mwe2Version>2.11.3.M3</mwe2Version>
 		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
 		<maven.compiler.source>1.8</maven.compiler.source>
 		<maven.compiler.target>1.8</maven.compiler.target>
diff --git a/org.eclipse.xtext.util/src/org/eclipse/xtext/util/XtextVersion.java b/org.eclipse.xtext.util/src/org/eclipse/xtext/util/XtextVersion.java
index 7d70bd7a6..c9e088b3e 100644
--- a/org.eclipse.xtext.util/src/org/eclipse/xtext/util/XtextVersion.java
+++ b/org.eclipse.xtext.util/src/org/eclipse/xtext/util/XtextVersion.java
@@ -52,7 +52,7 @@ public class XtextVersion {
 	 * @noreference
 	 */
 	public String getMweVersion() {
-		return "2.11.2";
+		return "2.11.3.M3";
 	}
 
 	public String getAntlrGeneratorVersion() {
diff --git a/org.eclipse.xtext.xtext.wizard/src/org/eclipse/xtext/xtext/wizard/TargetPlatformProject.xtend b/org.eclipse.xtext.xtext.wizard/src/org/eclipse/xtext/xtext/wizard/TargetPlatformProject.xtend
index b5ab01fc2..259132669 100644
--- a/org.eclipse.xtext.xtext.wizard/src/org/eclipse/xtext/xtext/wizard/TargetPlatformProject.xtend
+++ b/org.eclipse.xtext.xtext.wizard/src/org/eclipse/xtext/xtext/wizard/TargetPlatformProject.xtend
@@ -64,7 +64,7 @@ class TargetPlatformProject extends ProjectDescriptor {
 				</location>
 				<location includeAllPlatforms="false" includeConfigurePhase="false" includeMode="planner" includeSource="true" type="InstallableUnit">
 					<unit id="org.eclipse.emf.mwe2.launcher.feature.group" version="0.0.0"/>
-					<repository location="https://download.eclipse.org/modeling/emft/mwe/updates/releases/«config.xtextVersion.mweVersion»/"/>
+					<repository location="https://download.eclipse.org/modeling/emft/mwe/updates/milestones/S202005051610/"/>
 				</location>
 				<location includeAllPlatforms="false" includeConfigurePhase="false" includeMode="planner" includeSource="true" type="InstallableUnit">
 					<unit id="org.eclipse.xtext.sdk.feature.group" version="0.0.0"/>
diff --git a/org.eclipse.xtext.xtext.wizard/xtend-gen/org/eclipse/xtext/xtext/wizard/TargetPlatformProject.java b/org.eclipse.xtext.xtext.wizard/xtend-gen/org/eclipse/xtext/xtext/wizard/TargetPlatformProject.java
index 97f036ea8..29692c6f8 100644
--- a/org.eclipse.xtext.xtext.wizard/xtend-gen/org/eclipse/xtext/xtext/wizard/TargetPlatformProject.java
+++ b/org.eclipse.xtext.xtext.wizard/xtend-gen/org/eclipse/xtext/xtext/wizard/TargetPlatformProject.java
@@ -128,11 +128,8 @@ public class TargetPlatformProject extends ProjectDescriptor {
     _builder.append("<unit id=\"org.eclipse.emf.mwe2.launcher.feature.group\" version=\"0.0.0\"/>");
     _builder.newLine();
     _builder.append("\t\t\t");
-    _builder.append("<repository location=\"https://download.eclipse.org/modeling/emft/mwe/updates/releases/");
-    String _mweVersion = this.getConfig().getXtextVersion().getMweVersion();
-    _builder.append(_mweVersion, "\t\t\t");
-    _builder.append("/\"/>");
-    _builder.newLineIfNotEmpty();
+    _builder.append("<repository location=\"https://download.eclipse.org/modeling/emft/mwe/updates/milestones/S202005051610/\"/>");
+    _builder.newLine();
     _builder.append("\t\t");
     _builder.append("</location>");
     _builder.newLine();
diff --git a/releng/releng-target/xtext-core.target.target b/releng/releng-target/xtext-core.target.target
index 74ca79fa0..1cc168462 100644
--- a/releng/releng-target/xtext-core.target.target
+++ b/releng/releng-target/xtext-core.target.target
@@ -11,7 +11,7 @@
 			<unit id="org.eclipse.emf.sdk.feature.group" version="0.0.0"/>
 		</location>
 		<location includeAllPlatforms="false" includeConfigurePhase="false" includeMode="planner" includeSource="false" type="InstallableUnit">
-			<repository location="https://download.eclipse.org/modeling/emft/mwe/updates/releases/2.11.2"/>
+			<repository location="https://download.eclipse.org/modeling/emft/mwe/updates/milestones/S202005051610/"/>
 			<unit id="org.eclipse.emf.mwe2.language.sdk.feature.group" version="0.0.0"/>
 		</location>
 		<location includeAllPlatforms="false" includeConfigurePhase="false" includeMode="planner" includeSource="false" type="InstallableUnit">