diff --git a/.github/workflows/dev-nightly-tests.yml b/.github/workflows/dev-nightly-tests.yml
new file mode 100644
index 00000000..d5e2b895
--- /dev/null
+++ b/.github/workflows/dev-nightly-tests.yml
@@ -0,0 +1,74 @@
+# Periodic tests of latest dev branch
+#
+# This is for early detection of breaking changes.
+#
+
+name: dev nightly tests
+
+# Controls when the workflow will run
+on:
+  schedule:
+    - cron: "0 5 * * *" # every day 5AM
+
+  workflow_dispatch:
+
+jobs:
+  test:
+    name: Test ${{ matrix.os }}
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        os: [ubuntu-latest, windows-2022]
+
+    steps:
+      - name: Checkout dev Branch
+        uses: actions/checkout@v4
+        with:
+          ref: dev
+
+      - name: Install build tools (Linux)
+        if: runner.os == 'Linux'
+        shell: bash
+        run: sudo apt-get update && sudo apt-get install -y automake libtool autogen mcpp
+
+      - name: Install build tools (Windows)
+        if: runner.os == 'Windows'
+        run: choco install mcpp -y
+        shell: bash
+
+      - name: Install Java
+        uses: actions/setup-java@v4
+        with:
+          distribution: "temurin"
+          java-version: "21"
+
+      - name: Install Rust Toolchain
+        uses: dtolnay/rust-toolchain@stable
+
+      - name: Install Python
+        uses: actions/setup-python@v4
+        with:
+          python-version: "3.x"
+
+      - name: Prepare environment
+        shell: bash
+        run: |
+          if [[ "$RUNNER_OS" == "Linux" ]]; then
+            echo "PYTHON=python3" >> $GITHUB_ENV
+          else
+            echo "PYTHON=python" >> $GITHUB_ENV
+          fi
+
+      - name: Build dist assets (as needed)
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        shell: bash
+        run: |
+          $PYTHON $GITHUB_WORKSPACE/scripts/package.py
+
+      - name: Test dist assets
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        shell: bash
+        run: |
+          $PYTHON $GITHUB_WORKSPACE/scripts/test-dist.py