diff --git a/.github/workflows/appimage.yml b/.github/workflows/appimage.yml
index 4e81a4295..f966f6b22 100644
--- a/.github/workflows/appimage.yml
+++ b/.github/workflows/appimage.yml
@@ -10,7 +10,7 @@ on:
         required: false
 
 env:
-  JAVA_VERSION: 19
+  JAVA_VERSION: 20
 
 jobs:
   get-version:
diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 681ba1f94..bf21af27c 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -6,7 +6,7 @@ on:
     types: [labeled]
 
 env:
-  JAVA_VERSION: 19
+  JAVA_VERSION: 20
 
 defaults:
   run:
diff --git a/.github/workflows/debian.yml b/.github/workflows/debian.yml
index 700322c06..bd353a434 100644
--- a/.github/workflows/debian.yml
+++ b/.github/workflows/debian.yml
@@ -19,9 +19,9 @@ on:
         type: boolean
 
 env:
-  JAVA_VERSION: 19
-  OPENJFX_JMODS_AMD64: 'https://download2.gluonhq.com/openjfx/19.0.2.1/openjfx-19.0.2.1_linux-x64_bin-jmods.zip'
-  OPENJFX_JMODS_AARCH64: 'https://download2.gluonhq.com/openjfx/19.0.2.1/openjfx-19.0.2.1_linux-aarch64_bin-jmods.zip'
+  JAVA_VERSION: 20
+  OPENJFX_JMODS_AMD64: 'https://download2.gluonhq.com/openjfx/20.0.1/openjfx-20.0.1_linux-x64_bin-jmods.zip'
+  OPENJFX_JMODS_AARCH64: 'https://download2.gluonhq.com/openjfx/20.0.1/openjfx-20.0.1_linux-aarch64_bin-jmods.zip'
 
 jobs:
   build:
@@ -45,7 +45,7 @@ jobs:
         run: |
           sudo add-apt-repository ppa:coffeelibs/openjdk
           sudo apt-get update
-          sudo apt-get install debhelper devscripts dput coffeelibs-jdk-19 libgtk2.0-0
+          sudo apt-get install debhelper devscripts dput coffeelibs-jdk-${{ env.JAVA_VERSION }} libgtk2.0-0
       - name: Setup Java
         uses: actions/setup-java@v3
         with:
diff --git a/.github/workflows/get-version.yml b/.github/workflows/get-version.yml
index 5cffb56fb..d8684dc20 100644
--- a/.github/workflows/get-version.yml
+++ b/.github/workflows/get-version.yml
@@ -22,7 +22,7 @@ on:
         value: ${{ jobs.determine-version.outputs.type }}
 
 env:
-  JAVA_VERSION: 19
+  JAVA_VERSION: 20
   JAVA_DIST: 'temurin'
   JAVA_CACHE: 'maven'
 
diff --git a/.github/workflows/mac-dmg.yml b/.github/workflows/mac-dmg.yml
index 27320dba8..bad80138b 100644
--- a/.github/workflows/mac-dmg.yml
+++ b/.github/workflows/mac-dmg.yml
@@ -10,7 +10,7 @@ on:
         required: false
 
 env:
-  JAVA_VERSION: 19
+  JAVA_VERSION: 20
 
 jobs:
   get-version:
diff --git a/.github/workflows/pullrequest.yml b/.github/workflows/pullrequest.yml
index 48f7bd185..73a21edde 100644
--- a/.github/workflows/pullrequest.yml
+++ b/.github/workflows/pullrequest.yml
@@ -4,7 +4,7 @@ on:
   pull_request:
 
 env:
-  JAVA_VERSION: 19
+  JAVA_VERSION: 20
 
 defaults:
   run:
diff --git a/.github/workflows/release-check.yml b/.github/workflows/release-check.yml
index 7309cb852..481861540 100644
--- a/.github/workflows/release-check.yml
+++ b/.github/workflows/release-check.yml
@@ -7,7 +7,7 @@ on:
       - 'hotfix/**'
 
 env:
-  JAVA_VERSION: 19
+  JAVA_VERSION: 20
 
 defaults:
   run:
diff --git a/.github/workflows/win-exe.yml b/.github/workflows/win-exe.yml
index 45ce36c2e..df67c1dcb 100644
--- a/.github/workflows/win-exe.yml
+++ b/.github/workflows/win-exe.yml
@@ -14,11 +14,11 @@ on:
 
 
 env:
-  JAVA_VERSION: 19
+  JAVA_VERSION: 20
   JAVA_DIST: 'temurin'
   JAVA_CACHE: 'maven'
-  JFX_JMODS_URL: 'https://download2.gluonhq.com/openjfx/19.0.2.1/openjfx-19.0.2.1_windows-x64_bin-jmods.zip'
-  JFX_JMODS_HASH: 'B7CF2CAD2468842B3B78D99F6C0555771499A36FA1F1EE3DD1B9A4597F1FAB86'
+  JFX_JMODS_URL: 'https://download2.gluonhq.com/openjfx/20.0.1/openjfx-20.0.1_windows-x64_bin-jmods.zip'
+  JFX_JMODS_HASH: 'D00767334C43B8832B5CF10267D34CA8F563D187C4655B73EB6020DD79C054B5'
 
 defaults:
   run:
@@ -51,7 +51,7 @@ jobs:
         run: |
           curl --output jfxjmods.zip -L "${{ env.JFX_JMODS_URL }}"
           if(!(Get-FileHash -Path jfxjmods.zip -Algorithm SHA256).Hash.equals("${{ env.JFX_JMODS_HASH }}")) {
-            exit 1;
+            throw "Wrong checksum of JMOD archive downloaded from ${{ env.JFX_JMODS_URL }}.";
           }
           Expand-Archive -Path jfxjmods.zip -DestinationPath jfxjmods
           Get-ChildItem -Path jfxjmods -Recurse -Filter "*.jmod" | ForEach-Object { Move-Item -Path $_ -Destination $_.Directory.Parent}
diff --git a/.idea/misc.xml b/.idea/misc.xml
index e5d629592..891096945 100644
--- a/.idea/misc.xml
+++ b/.idea/misc.xml
@@ -8,7 +8,7 @@
       </list>
     </option>
   </component>
-  <component name="ProjectRootManager" version="2" languageLevel="JDK_19" default="true" project-jdk-name="19" project-jdk-type="JavaSDK">
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_20_PREVIEW" project-jdk-name="20" project-jdk-type="JavaSDK">
     <output url="file://$PROJECT_DIR$/out" />
   </component>
 </project>
\ No newline at end of file
diff --git a/dist/linux/debian/control b/dist/linux/debian/control
index edf9dd3ce..b04812fbb 100644
--- a/dist/linux/debian/control
+++ b/dist/linux/debian/control
@@ -2,7 +2,7 @@ Source: cryptomator
 Maintainer: Cryptobot <releases@cryptomator.org>
 Section: utils
 Priority: optional
-Build-Depends: debhelper (>=10), coffeelibs-jdk-19, libgtk2.0-0, libgtk-3-0,  libxxf86vm1, libgl1
+Build-Depends: debhelper (>=10), coffeelibs-jdk-20, libgtk2.0-0, libgtk-3-0,  libxxf86vm1, libgl1
 Standards-Version: 4.5.0
 Homepage: https://cryptomator.org
 Vcs-Git: https://github.com/cryptomator/cryptomator.git
diff --git a/dist/linux/debian/rules b/dist/linux/debian/rules
index be1014ea9..e0f077cc9 100755
--- a/dist/linux/debian/rules
+++ b/dist/linux/debian/rules
@@ -4,7 +4,7 @@
 # Uncomment this to turn on verbose mode.
 #export DH_VERBOSE=1
 
-JAVA_HOME = /usr/lib/jvm/java-19-coffeelibs
+JAVA_HOME = /usr/lib/jvm/java-20-coffeelibs
 DEB_BUILD_ARCH ?= $(shell dpkg-architecture -qDEB_BUILD_ARCH)
 ifeq ($(DEB_BUILD_ARCH),amd64)
 JMODS_PATH = jmods/amd64:${JAVA_HOME}/jmods
diff --git a/dist/win/resources/main.wxs b/dist/win/resources/main.wxs
index 50edd6371..df73b195f 100644
--- a/dist/win/resources/main.wxs
+++ b/dist/win/resources/main.wxs
@@ -70,6 +70,9 @@
     <CustomAction Id="JpDisallowDowngrade" Error="!(loc.DowngradeErrorMessage)" />
     <?endif?>
 
+    <Binary Id="JpCaDll" SourceFile="wixhelper.dll"/>
+    <CustomAction Id="JpFindRelatedProducts" BinaryKey="JpCaDll" DllEntry="FindRelatedProductsEx" />
+
     <?ifndef SkipCryptomatorLegacyCheck ?>
       <!-- Block installation if innosetup entry of Cryptomator is found -->
       <Property Id="OLDEXEINSTALLER">
@@ -172,11 +175,12 @@
       <?endif?>
 
       <?ifndef JpAllowUpgrades ?>
-      <Custom Action="JpDisallowUpgrade" After="FindRelatedProducts">JP_UPGRADABLE_FOUND</Custom>
+      <Custom Action="JpDisallowUpgrade" After="JpFindRelatedProducts">JP_UPGRADABLE_FOUND</Custom>
       <?endif?>
       <?ifndef JpAllowDowngrades ?>
-      <Custom Action="JpDisallowDowngrade" After="FindRelatedProducts">JP_DOWNGRADABLE_FOUND</Custom>
+      <Custom Action="JpDisallowDowngrade" After="JpFindRelatedProducts">JP_DOWNGRADABLE_FOUND</Custom>
       <?endif?>
+      <Custom Action="JpFindRelatedProducts" After="FindRelatedProducts"/>
 
       <!-- Check and fail if Cryptomator is running -->
       <Custom Action="WixCloseApplications" Before="InstallValidate"></Custom>
@@ -188,6 +192,10 @@
       <Custom Action="V170MigrateSettings" After="InstallFiles">NOT Installed OR REINSTALL</Custom>
     </InstallExecuteSequence>
 
+    <InstallUISequence>
+      <Custom Action="JpFindRelatedProducts" After="FindRelatedProducts"/>
+    </InstallUISequence>
+
     <WixVariable Id="WixUIBannerBmp" Value="$(env.JP_WIXWIZARD_RESOURCES)\banner.bmp" />
     <WixVariable Id="WixUIDialogBmp" Value="$(env.JP_WIXWIZARD_RESOURCES)\background.bmp" />
   </Product>
diff --git a/pom.xml b/pom.xml
index 084ceeb7e..37f45a940 100644
--- a/pom.xml
+++ b/pom.xml
@@ -26,7 +26,7 @@
 
 	<properties>
 		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-		<project.jdk.version>19</project.jdk.version>
+		<project.jdk.version>20</project.jdk.version>
 
 		<!-- Group IDs of jars that need to stay on the class path for now -->
 		<!-- Once hypfvieh, swiesend, purejava and integrations-linux have module-info, remove them-->
@@ -38,7 +38,7 @@
 		<cryptomator.integrations.win.version>1.2.0</cryptomator.integrations.win.version>
 		<cryptomator.integrations.mac.version>1.2.0</cryptomator.integrations.mac.version>
 		<cryptomator.integrations.linux.version>1.2.0</cryptomator.integrations.linux.version>
-		<cryptomator.fuse.version>2.0.5</cryptomator.fuse.version>
+		<cryptomator.fuse.version>3.0.0</cryptomator.fuse.version>
 		<cryptomator.dokany.version>2.0.0</cryptomator.dokany.version>
 		<cryptomator.webdav.version>2.0.2</cryptomator.webdav.version>
 
@@ -48,7 +48,7 @@
 		<easybind.version>2.2</easybind.version>
 		<guava.version>31.1-jre</guava.version>
 		<gson.version>2.10.1</gson.version>
-		<javafx.version>19.0.2.1</javafx.version>
+		<javafx.version>20.0.1</javafx.version>
 		<jwt.version>4.3.0</jwt.version>
 		<nimbus-jose.version>9.31</nimbus-jose.version>
 		<logback.version>1.4.5</logback.version>
@@ -64,7 +64,7 @@
 		<!-- build-time dependencies -->
 		<jetbrains.annotations.version>23.0.0</jetbrains.annotations.version>
 		<dependency-check.version>8.1.0</dependency-check.version>
-		<jacoco.version>0.8.8</jacoco.version>
+		<jacoco.version>0.8.9</jacoco.version>
 	</properties>
 
 	<dependencies>
@@ -332,6 +332,9 @@
 			<plugin>
 				<groupId>org.apache.maven.plugins</groupId>
 				<artifactId>maven-surefire-plugin</artifactId>
+				<configuration>
+					<argLine>--enable-preview</argLine>
+				</configuration>
 			</plugin>
 			<plugin>
 				<groupId>org.apache.maven.plugins</groupId>
diff --git a/src/main/java/org/cryptomator/ipc/IpcMessage.java b/src/main/java/org/cryptomator/ipc/IpcMessage.java
index 9d1c8d3de..7f76da295 100644
--- a/src/main/java/org/cryptomator/ipc/IpcMessage.java
+++ b/src/main/java/org/cryptomator/ipc/IpcMessage.java
@@ -9,8 +9,8 @@ import java.nio.channels.ReadableByteChannel;
 import java.nio.channels.WritableByteChannel;
 import java.util.function.Function;
 
-// TODO make sealed, remove enum
-interface IpcMessage {
+//TODO can the enum be removed?
+sealed interface IpcMessage permits HandleLaunchArgsMessage, RevealRunningAppMessage {
 
 	enum MessageType {
 		REVEAL_RUNNING_APP(RevealRunningAppMessage::decode),
diff --git a/src/main/java/org/cryptomator/ipc/IpcMessageListener.java b/src/main/java/org/cryptomator/ipc/IpcMessageListener.java
index f49275824..756305cbe 100644
--- a/src/main/java/org/cryptomator/ipc/IpcMessageListener.java
+++ b/src/main/java/org/cryptomator/ipc/IpcMessageListener.java
@@ -5,10 +5,9 @@ import java.util.List;
 public interface IpcMessageListener {
 
 	default void handleMessage(IpcMessage message) {
-		if (message instanceof RevealRunningAppMessage) {
-			revealRunningApp();
-		} else if (message instanceof HandleLaunchArgsMessage m) {
-			handleLaunchArgs(m.args());
+		switch (message) {
+			case RevealRunningAppMessage m -> revealRunningApp(); // TODO: rename to _ with JEP 443
+			case HandleLaunchArgsMessage m -> handleLaunchArgs(m.args());
 		}
 	}
 
diff --git a/src/main/java/org/cryptomator/ui/health/StartController.java b/src/main/java/org/cryptomator/ui/health/StartController.java
index fa41a7fdc..4e95b6b0f 100644
--- a/src/main/java/org/cryptomator/ui/health/StartController.java
+++ b/src/main/java/org/cryptomator/ui/health/StartController.java
@@ -102,14 +102,16 @@ public class StartController implements FxController {
 	}
 
 	private void loadingKeyFailed(Throwable e) {
-		if (e instanceof UnlockCancelledException) {
-			// ok
-		} else if (e instanceof VaultKeyInvalidException) {
-			LOG.error("Invalid key"); //TODO: specific error screen
-			appWindows.showErrorWindow(e, window, null);
-		} else {
-			LOG.error("Failed to load key.", e);
-			appWindows.showErrorWindow(e, window, null);
+		switch (e) {
+			case UnlockCancelledException uce -> {} //ok
+			case VaultKeyInvalidException vkie -> {
+				LOG.error("Invalid key"); //TODO: specific error screen
+				appWindows.showErrorWindow(e, window, null);
+			}
+			default -> {
+				LOG.error("Failed to load key.", e);
+				appWindows.showErrorWindow(e, window, null);
+			}
 		}
 	}
 
diff --git a/src/main/java/org/cryptomator/ui/traymenu/AwtTrayMenuController.java b/src/main/java/org/cryptomator/ui/traymenu/AwtTrayMenuController.java
index 704ffa9ab..5cb1af7a3 100644
--- a/src/main/java/org/cryptomator/ui/traymenu/AwtTrayMenuController.java
+++ b/src/main/java/org/cryptomator/ui/traymenu/AwtTrayMenuController.java
@@ -84,18 +84,19 @@ public class AwtTrayMenuController implements TrayMenuController {
 
 	private void addChildren(Menu menu, List<TrayMenuItem> items) {
 		for (var item : items) {
-			// TODO: use Pattern Matching for switch, once available
-			if (item instanceof ActionItem a) {
-				var menuItem = new MenuItem(a.title());
-				menuItem.addActionListener(evt -> a.action().run());
-				menuItem.setEnabled(a.enabled());
-				menu.add(menuItem);
-			} else if (item instanceof SeparatorItem) {
-				menu.addSeparator();
-			} else if (item instanceof SubMenuItem s) {
-				var submenu = new Menu(s.title());
-				addChildren(submenu, s.items());
-				menu.add(submenu);
+			switch (item) {
+				case ActionItem a -> {
+					var menuItem = new MenuItem(a.title());
+					menuItem.addActionListener(evt -> a.action().run());
+					menuItem.setEnabled(a.enabled());
+					menu.add(menuItem);
+				}
+				case SeparatorItem s -> menu.addSeparator(); // TODO: rename to _ with JEP 443
+				case SubMenuItem s -> {
+					var submenu = new Menu(s.title());
+					addChildren(submenu, s.items());
+					menu.add(submenu);
+				}
 			}
 		}
 	}
diff --git a/src/main/java/org/cryptomator/ui/unlock/UnlockInvalidMountPointController.java b/src/main/java/org/cryptomator/ui/unlock/UnlockInvalidMountPointController.java
index aeb4a9166..7bc0cbccd 100644
--- a/src/main/java/org/cryptomator/ui/unlock/UnlockInvalidMountPointController.java
+++ b/src/main/java/org/cryptomator/ui/unlock/UnlockInvalidMountPointController.java
@@ -38,12 +38,11 @@ public class UnlockInvalidMountPointController implements FxController {
 	@FXML
 	public void initialize() {
 		var e = unlockException.get();
-		String translationKey = "unlock.error.customPath.description.generic";
-		if (e instanceof MountPointNotSupportedException) {
-			translationKey = "unlock.error.customPath.description.notSupported";
-		} else if (e instanceof MountPointNotExistsException) {
-			translationKey = "unlock.error.customPath.description.notExists";
-		}
+		var translationKey = switch (e) {
+			case MountPointNotSupportedException x -> "unlock.error.customPath.description.notSupported";
+			case MountPointNotExistsException x -> "unlock.error.customPath.description.notExists";
+			default -> "unlock.error.customPath.description.generic";
+		};
 		dialogDescription.setFormat(resourceBundle.getString(translationKey));
 		dialogDescription.setArg1(e.getMessage());
 	}