diff --git a/.github/workflows/test.yaml b/.github/workflows/test.yaml
index d2a4db4..66986a5 100644
--- a/.github/workflows/test.yaml
+++ b/.github/workflows/test.yaml
@@ -31,15 +31,15 @@ jobs:
           - jdkconf: JDK 17
             jdkver: "17"
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Set up JDK
-        uses: actions/setup-java@v3
+        uses: actions/setup-java@v4
         with:
           distribution: 'temurin'
           java-version: ${{ matrix.jdkver || env.jdkver_latest }}
       - name: Run
         run: | 
-          export OJDK_VERSION_NUMBER=${{ matrix.jdkver || env.jdkver_latest }} BOOTJDK_DIR=~/bootjdk JREJDK="jdk" XDISPLAY=":0"
+          export OJDK_VERSION_NUMBER=${{ matrix.jdkver || env.jdkver_latest }} BOOTJDK_DIR=~/bootjdk JREJDK="jdk"
           ./testHeadlessComponents.sh
       - name: Pack results
         if: ${{ always() }}
@@ -47,7 +47,7 @@ jobs:
           tar -cf "results-linux-jdk${{ matrix.jdkver || env.jdkver_latest }}.tar.gz" $WORKSPACE/testHeadlessComponent.log $WORKSPACE/testHeadlessComponent.jtr.xml
       - name: Upload results
         if: ${{ always() }}
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           path: "results-linux-jdk${{ matrix.jdkver || env.jdkver_latest }}.tar.gz"
         continue-on-error: true
@@ -71,15 +71,15 @@ jobs:
           - jdkconf: JDK 17
             jdkver: "17"
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Set up JDK
-        uses: actions/setup-java@v3
+        uses: actions/setup-java@v4
         with:
           distribution: 'temurin'
           java-version: ${{ matrix.jdkver || env.jdkver_latest }}
       - name: Run
         run: | 
-          export OJDK_VERSION_NUMBER=${{ matrix.jdkver || env.jdkver_latest }} BOOTJDK_DIR=~/bootjdk JREJDK="jre" XDISPLAY=":0"
+          export OJDK_VERSION_NUMBER=${{ matrix.jdkver || env.jdkver_latest }} BOOTJDK_DIR=~/bootjdk JREJDK="jre"
           ./testHeadlessComponents.sh
       - name: Pack results
         if: ${{ always() }}
@@ -87,7 +87,7 @@ jobs:
           tar -cf "results-linux-jre${{ matrix.jdkver || env.jdkver_latest }}.tar.gz" $WORKSPACE/testHeadlessComponent.log $WORKSPACE/testHeadlessComponent.jtr.xml
       - name: Upload results
         if: ${{ always() }}
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           path: "results-linux-jre${{ matrix.jdkver || env.jdkver_latest }}.tar.gz"
         continue-on-error: true
@@ -111,22 +111,22 @@ jobs:
           - jdkconf: JDK 17
             jdkver: "17"
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: msys2/setup-msys2@v2
         with:
           update: true
           install: wget tar git unzip
 
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Set up JDK
-        uses: actions/setup-java@v3
+        uses: actions/setup-java@v4
         with:
           distribution: 'temurin'
           java-version: ${{ matrix.jdkver || env.jdkver_latest }}
       - name: Run
         shell: msys2 {0}
         run: | 
-          export OJDK_VERSION_NUMBER=${{ matrix.jdkver || env.jdkver_latest }} BOOTJDK_DIR=~/bootjdk JREJDK="jre" XDISPLAY=":0"
+          export OJDK_VERSION_NUMBER=${{ matrix.jdkver || env.jdkver_latest }} BOOTJDK_DIR=~/bootjdk JREJDK="jre"
           ./testHeadlessComponents.sh
       - name: Pack results
         if: ${{ always() }}
@@ -135,7 +135,7 @@ jobs:
           tar -cf "results-windows-jre${{ matrix.jdkver || env.jdkver_latest }}.tar.gz" $WORKSPACE/testHeadlessComponent.log $WORKSPACE/testHeadlessComponent.jtr.xml
       - name: Upload results
         if: ${{ always() }}
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           path: "results-windows-jre${{ matrix.jdkver || env.jdkver_latest }}.tar.gz"
         continue-on-error: true
@@ -159,22 +159,22 @@ jobs:
           - jdkconf: JDK 17
             jdkver: "17"
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: msys2/setup-msys2@v2
         with:
           update: true
           install: wget tar git unzip
 
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Set up JDK
-        uses: actions/setup-java@v3
+        uses: actions/setup-java@v4
         with:
           distribution: 'temurin'
           java-version: ${{ matrix.jdkver || env.jdkver_latest }}
       - name: Run
         shell: msys2 {0}
         run: | 
-          export OJDK_VERSION_NUMBER=${{ matrix.jdkver || env.jdkver_latest }} BOOTJDK_DIR=~/bootjdk JREJDK="jre" XDISPLAY=":0"
+          export OJDK_VERSION_NUMBER=${{ matrix.jdkver || env.jdkver_latest }} BOOTJDK_DIR=~/bootjdk JREJDK="jre"
           ./testHeadlessComponents.sh
       - name: Pack results
         if: ${{ always() }}
@@ -183,7 +183,7 @@ jobs:
           tar -cf "results-windows-jdk${{ matrix.jdkver || env.jdkver_latest }}.tar.gz" $WORKSPACE/testHeadlessComponent.log $WORKSPACE/testHeadlessComponent.jtr.xml
       - name: Upload results
         if: ${{ always() }}
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           path: "results-windows-jdk${{ matrix.jdkver || env.jdkver_latest }}.tar.gz"
         continue-on-error: true
@@ -207,7 +207,7 @@ jobs:
           - jdkconf: JDK 17
             jdkver: "17"
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Install Homebrew
         run: |
           /bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/HEAD/install.sh)"
@@ -224,13 +224,13 @@ jobs:
         run: /usr/local/bin/bash --version
 
       - name: Set up JDK
-        uses: actions/setup-java@v3
+        uses: actions/setup-java@v4
         with:
           distribution: 'temurin'
           java-version: ${{ matrix.jdkver || env.jdkver_latest }}
       - name: Run
         run: | 
-          export OJDK_VERSION_NUMBER=${{ matrix.jdkver || env.jdkver_latest }} BOOTJDK_DIR=~/bootjdk JREJDK="jre" WORKSPACE=/Users/runner/workspace XDISPLAY=":0"
+          export OJDK_VERSION_NUMBER=${{ matrix.jdkver || env.jdkver_latest }} BOOTJDK_DIR=~/bootjdk JREJDK="jre" WORKSPACE=/Users/runner/workspace
           /usr/local/bin/bash testHeadlessComponents.sh
       - name: Pack results
         if: ${{ always() }}
@@ -239,7 +239,7 @@ jobs:
           tar -cf "results-macos-jre${{ matrix.jdkver || env.jdkver_latest }}.tar.gz" $WORKSPACE/testHeadlessComponent.log $WORKSPACE/testHeadlessComponent.jtr.xml
       - name: Upload results
         if: ${{ always() }}
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           path: "results-macos-jre${{ matrix.jdkver || env.jdkver_latest }}.tar.gz"
         continue-on-error: true
@@ -265,7 +265,7 @@ jobs:
           - jdkconf: JDK 17
             jdkver: "17"
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Install Homebrew
         run: |
           /bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/HEAD/install.sh)"
@@ -282,13 +282,13 @@ jobs:
         run: /usr/local/bin/bash --version
 
       - name: Set up JDK
-        uses: actions/setup-java@v3
+        uses: actions/setup-java@v4
         with:
           distribution: 'temurin'
           java-version: ${{ matrix.jdkver || env.jdkver_latest }}
       - name: Run
         run: | 
-          export OJDK_VERSION_NUMBER=${{ matrix.jdkver || env.jdkver_latest }} BOOTJDK_DIR=~/bootjdk JREJDK="jdk" WORKSPACE=/Users/runner/workspace XDISPLAY=":0"
+          export OJDK_VERSION_NUMBER=${{ matrix.jdkver || env.jdkver_latest }} BOOTJDK_DIR=~/bootjdk JREJDK="jdk" WORKSPACE=/Users/runner/workspace
           /usr/local/bin/bash testHeadlessComponents.sh
       - name: Pack results
         if: ${{ always() }}
@@ -297,7 +297,7 @@ jobs:
           tar -cf "results-macos-jdk${{ matrix.jdkver || env.jdkver_latest }}.tar.gz" $WORKSPACE/testHeadlessComponent.log $WORKSPACE/testHeadlessComponent.jtr.xml
       - name: Upload results
         if: ${{ always() }}
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           path: "results-macos-jdk${{ matrix.jdkver || env.jdkver_latest }}.tar.gz"
         continue-on-error: true