diff --git a/.github/workflows/buildcheck.yml b/.github/workflows/buildcheck.yml
index aa639255..fe9fe16a 100644
--- a/.github/workflows/buildcheck.yml
+++ b/.github/workflows/buildcheck.yml
@@ -7,6 +7,15 @@ on:
 
 jobs:
   buildtest:
+
+    continue-on-error: ${{ matrix.experimental }}
+    strategy:
+      matrix: # this needs to be arrays
+        vss-tools-version: [master, master]
+        experimental: [false]
+        include: # this need to be single entities
+          - vss-tools-version: v4
+            experimental: true
     name: Build Test
     runs-on: ubuntu-latest
 
@@ -16,6 +25,7 @@ jobs:
           submodules: true
 
       - name: Install vss-tools dependencies
+        continue-on-error: ${{ matrix.experimental }}
         run: |
           python -V
           python -m pip --quiet --no-input install --upgrade pip
@@ -23,15 +33,17 @@ jobs:
           pip install pytest
           # idlc currently used both during python test and later in this script
           pip install cyclonedds
-          pip install git+https://github.com/COVESA/vss-tools@master
+          pip install git+https://github.com/COVESA/vss-tools@${{ matrix.vss-tools-version }}
           sudo apt install -y protobuf-compiler
           echo done!
 
       - name: Test mandatory targets
+        continue-on-error: ${{ matrix.experimental }}
         run: |
           make mandatory_targets
 
       - name: Test that ddsidl is correct
+        continue-on-error: ${{ matrix.experimental }}
         run: |
           idlc vss_rel_*.idl
 
@@ -43,6 +55,7 @@ jobs:
           cache: false
 
       - name: Test that CSV generated by vss-tools is correct
+        continue-on-error: ${{ matrix.experimental }}
         run: |
           # Install csvlint to check compliance with https://datatracker.ietf.org/doc/html/rfc4180
           go install github.com/Clever/csvlint/cmd/csvlint@latest
@@ -52,6 +65,14 @@ jobs:
         run: |
           make -k optional_targets || true
 
+  docubuild:
+    name: Build Docs
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          submodules: true
+
       - name: Install hugo
         env:
           HUGO_VER : 0.129.0