diff --git a/.github/actions/cli/action.yml b/.github/actions/cli/action.yml
index b8565bf2..ff57a65d 100644
--- a/.github/actions/cli/action.yml
+++ b/.github/actions/cli/action.yml
@@ -52,3 +52,4 @@ runs:
         name: cli-${{ inputs.native-version }}-${{ inputs.script-name }}-${{ inputs.arch }}
         path: native-cli/build/distributions/dw-cli-${{ inputs.native-version }}-${{ inputs.script-name }}-${{ inputs.arch }}.zip
         archive: false
+        if-no-files-found: error
diff --git a/.github/actions/python/action.yml b/.github/actions/python/action.yml
index 73d4b7d6..f008fe4e 100644
--- a/.github/actions/python/action.yml
+++ b/.github/actions/python/action.yml
@@ -55,16 +55,9 @@ runs:
         name: python-wheel-${{ inputs.native-version }}-${{ inputs.platform }}
         path: native-lib/python/dist/dataweave_native-0.0.1-py3-*.whl
         archive: false
+        if-no-files-found: error
 
     - name: Run Python TCK Conformance
       if: always() && inputs.run-tck == 'true'
       run: ./gradlew --stacktrace --no-problems-report native-lib:pythonTck
       shell: bash
-
-    - name: Upload Python TCK JUnit
-      if: always() && inputs.run-tck == 'true'
-      uses: actions/upload-artifact@v7.0.1
-      with:
-        name: python-tck-junit-${{ inputs.platform }}
-        path: native-lib/build/test-results/pythonTck.xml
-        if-no-files-found: error
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 8f5583ca..e808164d 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -85,10 +85,31 @@ jobs:
     permissions:
       contents: write
     steps:
-      - name: Download release artifacts
+      - name: Download CLI archives
         uses: actions/download-artifact@v8
         with:
           path: release-assets
+          pattern: dw-cli-*
+          merge-multiple: true
+          skip-decompress: true
+      - name: Download Python wheels
+        uses: actions/download-artifact@v8
+        with:
+          path: release-assets
+          pattern: dataweave_native-*.whl
+          merge-multiple: true
+          skip-decompress: true
+      - name: Download Node packages
+        uses: actions/download-artifact@v8
+        with:
+          path: release-assets
+          pattern: dataweave-native-*.tgz
+          merge-multiple: true
+      - name: Download native libraries
+        uses: actions/download-artifact@v8
+        with:
+          path: release-assets
+          pattern: dwlib-*
       - name: Create release and upload assets
         env:
           GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
@@ -118,8 +139,34 @@ jobs:
             fi
             mv "$source" "release-assets/dwlib-${VERSION}-${platform}.${extension}"
           done
+          mapfile -d '' assets < <(find release-assets -type f -name '*.zip' -print0)
+          if [ "${#assets[@]}" -ne 3 ]; then
+            echo "expected three CLI archives, found ${#assets[@]}"
+            exit 1
+          fi
+          mapfile -d '' -O "${#assets[@]}" assets < <(find release-assets -type f -name '*.whl' -print0)
+          if [ "${#assets[@]}" -ne 6 ]; then
+            echo "expected three Python wheels"
+            exit 1
+          fi
+          mapfile -d '' -O "${#assets[@]}" assets < <(find release-assets -type f -name '*.tgz' -print0)
+          if [ "${#assets[@]}" -ne 10 ]; then
+            echo "expected four Node packages"
+            exit 1
+          fi
+          assets+=(
+            "release-assets/dwlib-${VERSION}-linux-x86_64.so"
+            "release-assets/dwlib-${VERSION}-windows-x86_64.dll"
+            "release-assets/dwlib-${VERSION}-macos-arm64.dylib"
+            "release-assets/dwlib-${VERSION}.h"
+          )
+          for asset in "${assets[@]}"; do
+            if [ ! -f "$asset" ]; then
+              echo "release asset is missing: $asset"
+              exit 1
+            fi
+          done
           gh release view "$TAG" || gh release create "$TAG" --generate-notes
-          mapfile -d '' assets < <(find release-assets -type f -print0)
           if [ "${#assets[@]}" -eq 0 ]; then
             echo "release artifacts are missing"
             exit 1
diff --git a/native-lib/build.gradle b/native-lib/build.gradle
index d5a27e85..88bbf394 100644
--- a/native-lib/build.gradle
+++ b/native-lib/build.gradle
@@ -246,8 +246,7 @@ tasks.register('pythonTck', Exec) {
   inputs.dir("${projectDir}/python/tests/tck")
   inputs.dir(tckSuitesDir)
   inputs.file("${projectDir}/python/pytest.ini")
-  commandLine(pythonExe, '-m', 'pytest', '-m', 'tck',
-    '--junitxml', "${layout.buildDirectory.get().asFile}/test-results/pythonTck.xml")
+  commandLine(pythonExe, '-m', 'pytest', '-m', 'tck')
 }
 
 tasks.register('buildNodePackage', Exec) {
diff --git a/native-lib/python/tests/unit/test_ci_structure.py b/native-lib/python/tests/unit/test_ci_structure.py
index 7d6eacab..ba1d32fc 100644
--- a/native-lib/python/tests/unit/test_ci_structure.py
+++ b/native-lib/python/tests/unit/test_ci_structure.py
@@ -56,7 +56,7 @@ def test_python_tck_is_gated_by_the_master_only_workflow_input():
 
 
 @pytest.mark.unit
-def test_python_artifact_owns_test_dependencies_and_tck_junit_upload():
+def test_python_artifact_owns_test_dependencies():
     root = Path(__file__).resolve().parents[4]
     foundation = (root / ".github/actions/build-foundation/action.yml").read_text()
     action = (root / ".github/actions/python/action.yml").read_text()
@@ -64,14 +64,11 @@ def test_python_artifact_owns_test_dependencies_and_tck_junit_upload():
     assert "Install Python test dependencies" not in foundation
     assert "native-lib/python[test]" in action
     assert "platform:" in action
-    assert "python-tck-junit-${{ inputs.platform }}" in action
     assert action.index("Create Native Lib Python Wheel") < action.index("Run Python TCK Conformance")
     assert action.index("Upload Python wheel (artifact)") < action.index("Run Python TCK Conformance")
     assert "Upload Python wheel to release" not in action
     assert "svenstaro/upload-release-action" not in action
-    assert action.index("Run Python TCK Conformance") < action.index("Upload Python TCK JUnit")
     assert named_step_if(action, "Run Python TCK Conformance") == "always() && inputs.run-tck == 'true'"
-    assert "native-lib/build/test-results/pythonTck.xml" in action
 
 
 @pytest.mark.unit