diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index b46e904..fc02a3f 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -4,14 +4,14 @@ on: [push, pull_request, workflow_dispatch]
 
 jobs:
    Library-EMFEditUtils:
-    uses: PalladioSimulator/Palladio-Build-ActionsPipeline/.github/workflows/build.yml@master
+    uses: PalladioSimulator/Palladio-Build-ActionsPipeline/.github/workflows/build.yml@FixTagCreationLogic
     with:
       use-display-output: true
       no-caching: true
-      java-version: 17
+      java-version: 21
       runner-label: ubuntu-latest
       deploy-updatesite: 'releng/tools.mdsd.library.emfeditutils.updatesite/target/repository'
-      release-version: '1.0.0'
+      release-version: '1.1.0'
     secrets:
       SERVER_SSH_KEY: ${{ secrets.DEPLOYMENT_SERVER_SSH_KEY }}
       REMOTE_HOST: ${{ secrets.DEPLOYMENT_REMOTE_HOST }}
diff --git a/.mvn/extensions.xml b/.mvn/extensions.xml
index 1feaecb..3b91197 100644
--- a/.mvn/extensions.xml
+++ b/.mvn/extensions.xml
@@ -3,11 +3,6 @@
 	<extension>
 		<groupId>org.eclipse.tycho</groupId>
 		<artifactId>tycho-build</artifactId>
-		<version>2.7.5</version>
-	</extension>
-	<extension>
-		<groupId>org.palladiosimulator</groupId>
-		<artifactId>tycho-tp-refresh-maven-plugin</artifactId>
-		<version>0.2.6</version>
+		<version>4.0.13</version>
 	</extension>
 </extensions>
diff --git a/bundles/tools.mdsd.library.emfeditutils/.settings/org.eclipse.jdt.core.prefs b/bundles/tools.mdsd.library.emfeditutils/.settings/org.eclipse.jdt.core.prefs
index d4540a5..3a79233 100644
--- a/bundles/tools.mdsd.library.emfeditutils/.settings/org.eclipse.jdt.core.prefs
+++ b/bundles/tools.mdsd.library.emfeditutils/.settings/org.eclipse.jdt.core.prefs
@@ -1,10 +1,10 @@
 eclipse.preferences.version=1
 org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
-org.eclipse.jdt.core.compiler.codegen.targetPlatform=17
-org.eclipse.jdt.core.compiler.compliance=17
+org.eclipse.jdt.core.compiler.codegen.targetPlatform=21
+org.eclipse.jdt.core.compiler.compliance=21
 org.eclipse.jdt.core.compiler.problem.assertIdentifier=error
 org.eclipse.jdt.core.compiler.problem.enablePreviewFeatures=disabled
 org.eclipse.jdt.core.compiler.problem.enumIdentifier=error
 org.eclipse.jdt.core.compiler.problem.reportPreviewFeatures=warning
 org.eclipse.jdt.core.compiler.release=enabled
-org.eclipse.jdt.core.compiler.source=17
+org.eclipse.jdt.core.compiler.source=21
diff --git a/bundles/tools.mdsd.library.emfeditutils/META-INF/MANIFEST.MF b/bundles/tools.mdsd.library.emfeditutils/META-INF/MANIFEST.MF
index 4595592..7b46c9b 100644
--- a/bundles/tools.mdsd.library.emfeditutils/META-INF/MANIFEST.MF
+++ b/bundles/tools.mdsd.library.emfeditutils/META-INF/MANIFEST.MF
@@ -2,8 +2,8 @@ Manifest-Version: 1.0
 Bundle-ManifestVersion: 2
 Bundle-Name: EMF Edit Utils
 Bundle-SymbolicName: tools.mdsd.library.emfeditutils
-Bundle-Version: 1.0.0
+Bundle-Version: 1.1.0
 Automatic-Module-Name: tools.mdsd.library.emfeditutils
-Bundle-RequiredExecutionEnvironment: JavaSE-17
+Bundle-RequiredExecutionEnvironment: JavaSE-21
 Require-Bundle: org.eclipse.emf.edit
 Export-Package: tools.mdsd.library.emfeditutils.itempropertydescriptor
diff --git a/features/tools.mdsd.library.emfeditutils.feature/feature.xml b/features/tools.mdsd.library.emfeditutils.feature/feature.xml
index 1df1000..9e08c53 100644
--- a/features/tools.mdsd.library.emfeditutils.feature/feature.xml
+++ b/features/tools.mdsd.library.emfeditutils.feature/feature.xml
@@ -2,9 +2,9 @@
 <feature
       id="tools.mdsd.library.emfeditutils.feature"
       label="EMF Edit Utils Feature"
-      version="1.0.0"
+      version="1.1.0"
       license-feature="tools.mdsd.license.epl2"
-      license-feature-version="1.0.0">
+      license-feature-version="1.1.0">
 
    <description>
       Tools that ease implementing providers and other framework utils for EMF edit plugins.
diff --git a/pom.xml b/pom.xml
index f087771..3e14d5c 100644
--- a/pom.xml
+++ b/pom.xml
@@ -1,26 +1,133 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
 		xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
-		
+
 	<modelVersion>4.0.0</modelVersion>
-	<parent>
-		<groupId>tools.mdsd</groupId>
-		<artifactId>eclipse-parent-updatesite</artifactId>
-		<version>0.8.12</version>
-	</parent>
 	<groupId>tools.mdsd.library.emfeditutils</groupId>
-	<artifactId>parent</artifactId>	
-	<version>1.0.0</version>
+	<artifactId>parent</artifactId>
+	<version>1.1.0</version>
 	<packaging>pom</packaging>
 
+	<name>${project.artifactId}</name>
+	<description>Utilities for EMF.Edit item property descriptors.</description>
+	<url>http://mdsd.tools</url>
+
 	<properties>
-		<org.palladiosimulator.maven.tychotprefresh.tplocation.2>${project.basedir}/releng/tools.mdsd.library.emfeditutils.targetplatform/tp.target</org.palladiosimulator.maven.tychotprefresh.tplocation.2>
+		<tycho.version>4.0.13</tycho.version>
+		<java.version>21</java.version>
+		<maven.compiler.source>${java.version}</maven.compiler.source>
+		<maven.compiler.target>${java.version}</maven.compiler.target>
+		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+		<project.reporting.outputEncoding>${project.build.sourceEncoding}</project.reporting.outputEncoding>
+		<targetPlatform.relativePath>releng/tools.mdsd.library.emfeditutils.targetplatform/tp.target</targetPlatform.relativePath>
 	</properties>
 
+	<build>
+		<plugins>
+			<plugin>
+				<groupId>org.eclipse.tycho</groupId>
+				<artifactId>tycho-maven-plugin</artifactId>
+				<version>${tycho.version}</version>
+				<extensions>true</extensions>
+			</plugin>
+			<plugin>
+				<groupId>org.eclipse.tycho</groupId>
+				<artifactId>target-platform-configuration</artifactId>
+				<version>${tycho.version}</version>
+				<configuration>
+					<target>
+						<!-- Resolved once for the whole reactor instead of per module. -->
+						<file>${maven.multiModuleProjectDirectory}/${targetPlatform.relativePath}</file>
+					</target>
+					<environments>
+						<environment>
+							<os>linux</os>
+							<ws>gtk</ws>
+							<arch>x86_64</arch>
+						</environment>
+						<environment>
+							<os>linux</os>
+							<ws>gtk</ws>
+							<arch>aarch64</arch>
+						</environment>
+						<environment>
+							<os>win32</os>
+							<ws>win32</ws>
+							<arch>x86_64</arch>
+						</environment>
+						<environment>
+							<os>macosx</os>
+							<ws>cocoa</ws>
+							<arch>x86_64</arch>
+						</environment>
+						<environment>
+							<os>macosx</os>
+							<ws>cocoa</ws>
+							<arch>aarch64</arch>
+						</environment>
+					</environments>
+				</configuration>
+			</plugin>
+			<plugin>
+				<groupId>org.eclipse.tycho</groupId>
+				<artifactId>tycho-source-plugin</artifactId>
+				<version>${tycho.version}</version>
+				<executions>
+					<execution>
+						<id>plugin-source</id>
+						<goals>
+							<goal>plugin-source</goal>
+						</goals>
+					</execution>
+					<execution>
+						<id>feature-source</id>
+						<goals>
+							<goal>feature-source</goal>
+						</goals>
+					</execution>
+				</executions>
+			</plugin>
+			<plugin>
+				<groupId>org.eclipse.tycho</groupId>
+				<artifactId>tycho-p2-plugin</artifactId>
+				<version>${tycho.version}</version>
+				<executions>
+					<execution>
+						<id>attached-p2-metadata</id>
+						<phase>package</phase>
+						<goals>
+							<goal>p2-metadata</goal>
+						</goals>
+					</execution>
+				</executions>
+			</plugin>
+			<plugin>
+				<groupId>org.apache.maven.plugins</groupId>
+				<artifactId>maven-clean-plugin</artifactId>
+				<version>3.2.0</version>
+				<configuration>
+					<excludeDefaultDirectories>true</excludeDefaultDirectories>
+					<filesets>
+						<fileset>
+							<directory>${project.basedir}</directory>
+							<includes>
+								<include>target/**</include>
+								<include>xtend-gen/**</include>
+							</includes>
+							<excludes>
+								<exclude>*/.gitkeep</exclude>
+							</excludes>
+						</fileset>
+					</filesets>
+				</configuration>
+			</plugin>
+		</plugins>
+	</build>
+
 	<modules>
 		<module>bundles</module>
 		<module>features</module>
 		<module>releng</module>
 	</modules>
-	
+
 </project>
diff --git a/releng/tools.mdsd.library.emfeditutils.targetplatform/tp.target b/releng/tools.mdsd.library.emfeditutils.targetplatform/tp.target
index 924b34e..66c71be 100644
--- a/releng/tools.mdsd.library.emfeditutils.targetplatform/tp.target
+++ b/releng/tools.mdsd.library.emfeditutils.targetplatform/tp.target
@@ -1,8 +1,17 @@
 <?xml version="1.0" encoding="UTF-8" standalone="no"?>
-<?pde version="3.8"?><target name="tools.mdsd.ecoreworkflow Target Platform" sequenceNumber="1">
+<?pde version="3.8"?><target name="tools.mdsd.library.emfeditutils Target Platform" sequenceNumber="2">
 <locations>
+    <!-- Eclipse base. Until the move to a standalone build this came in through the
+         eclipse-modeling-2023-03 target that the shared parent merged into every
+         repository; it is now declared here, trimmed to what this repository uses. -->
     <location includeAllPlatforms="false" includeConfigurePhase="true" includeMode="planner" includeSource="false" type="InstallableUnit">
-        <repository location="https://updatesite.mdsd.tools/build-licensefeature/releases/1.0.0/"/>
+        <repository location="https://download.eclipse.org/releases/2024-06/202406121000/"/>
+        <unit id="org.eclipse.platform.feature.group" version="0.0.0"/>
+        <unit id="org.eclipse.emf.sdk.feature.group" version="0.0.0"/>
+        <unit id="org.eclipse.pde.feature.group" version="0.0.0"/>
+    </location>
+    <location includeAllPlatforms="false" includeConfigurePhase="true" includeMode="planner" includeSource="false" type="InstallableUnit">
+        <repository location="https://updatesite.mdsd.tools/build-licensefeature/releases/1.1.0/"/>
         <unit id="tools.mdsd.license.epl2.feature.group" version="0.0.0"/>
     </location>
 </locations>
diff --git a/releng/tools.mdsd.library.emfeditutils.updatesite/category.xml b/releng/tools.mdsd.library.emfeditutils.updatesite/category.xml
index e3534f9..f379732 100644
--- a/releng/tools.mdsd.library.emfeditutils.updatesite/category.xml
+++ b/releng/tools.mdsd.library.emfeditutils.updatesite/category.xml
@@ -1,9 +1,9 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <site>
-   <feature id="tools.mdsd.library.emfeditutils.feature" version="1.0.0">
+   <feature id="tools.mdsd.library.emfeditutils.feature" version="1.1.0">
       <category name="tools.mdsd.library.emfeditutils"/>
    </feature>
-   <feature id="tools.mdsd.library.emfeditutils.feature.source" version="1.0.0">
+   <feature id="tools.mdsd.library.emfeditutils.feature.source" version="1.1.0">
       <category name="tools.mdsd.library.emfeditutils.source"/>
    </feature>
    <category-def name="tools.mdsd.library.emfeditutils" label="MDSD Tools EMF Edit Utils"/>