diff --git a/.github/workflows/publish-new-release.yml b/.github/workflows/publish-new-release.yml
index 43028ae3d..e0f5ff931 100644
--- a/.github/workflows/publish-new-release.yml
+++ b/.github/workflows/publish-new-release.yml
@@ -209,3 +209,13 @@ jobs:
     with:
       downstream-version: ${{ needs.release-version.outputs.RELEASE_VERSION }}
     secrets: inherit
+
+  publish-openapi-to-gh-pages:
+    name: "Publish OpenAPI UI spec GitHub Pages"
+    permissions:
+      contents: read
+    needs: [ release-version ]
+    uses: ./.github/workflows/publish-openapi-ui.yml
+    secrets: inherit
+    with:
+      version: ${{ needs.release-version.outputs.RELEASE_VERSION }}
\ No newline at end of file
diff --git a/.github/workflows/publish-new-snapshot.yaml b/.github/workflows/publish-new-snapshot.yaml
index ce5bb8619..8476cf2f2 100644
--- a/.github/workflows/publish-new-snapshot.yaml
+++ b/.github/workflows/publish-new-snapshot.yaml
@@ -39,6 +39,8 @@ on:
       - published
   workflow_dispatch:
 
+  # periodic build triggers are defined in run-all-tests.yml, which triggers this workflow
+
 
 concurrency:
   # cancel only running jobs on pull requests
@@ -65,34 +67,66 @@ jobs:
           [ ! -z "${{ secrets.SWAGGERHUB_USER }}" ]  && echo "HAS_SWAGGER=true" >> $GITHUB_OUTPUT
           exit 0
 
+  determine-version:
+    runs-on: ubuntu-latest
+    outputs:
+      VERSION: ${{ steps.get-version.outputs.VERSION }}
+    steps:
+      - uses: actions/checkout@v4
+      - name: "Get version"
+        id: get-version
+        run: |
+          
+          # only create the version string if the run-all-tests workflow was triggered by a cron event
+          
+          if [[ ${{ github.event.workflow_run.event }} == "schedule" ]]; then
+            echo "VERSION=$(IFS=.- read -r RELEASE_VERSION_MAJOR RELEASE_VERSION_MINOR RELEASE_VERSION_PATCH SNAPSHOT<<<$(grep "version" gradle.properties | awk -F= '{print $2}') && echo $RELEASE_VERSION_MAJOR.$RELEASE_VERSION_MINOR.$RELEASE_VERSION_PATCH-$(date +"%Y%m%d")-SNAPSHOT)" >> "$GITHUB_OUTPUT"
+          fi
+
   publish-docker-images:
     name: "Create Docker Images"
-    needs: [ secret-presence ]
+    needs: [ secret-presence, determine-version]
     if: |
       needs.secret-presence.outputs.DOCKER_HUB_TOKEN
     permissions:
       contents: write
     uses: ./.github/workflows/trigger-docker-publish.yaml
     secrets: inherit
+    with:
+      docker_tag: ${{ needs.determine-version.outputs.VERSION }}
 
 
   publish-maven-artifacts:
     name: "Publish artefacts to OSSRH Snapshots / MavenCentral"
     permissions:
       contents: read
-    needs: [ secret-presence ]
+    needs: [ secret-presence, determine-version ]
 
     # do not run on PR branches, do not run on releases
     if: |
       needs.secret-presence.outputs.HAS_OSSRH && github.event_name != 'pull_request' && github.ref != 'refs/heads/releases'
     uses: ./.github/workflows/trigger-maven-publish.yaml
     secrets: inherit
+    with:
+      version: ${{ needs.determine-version.outputs.VERSION }}
 
   publish-to-swaggerhub:
     name: "Publish OpenAPI spec to Swaggerhub"
     permissions:
       contents: read
-    needs: [ secret-presence ]
+    needs: [ secret-presence, determine-version ]
     if: needs.secret-presence.outputs.HAS_SWAGGER
     uses: ./.github/workflows/publish-swaggerhub.yaml
     secrets: inherit
+    with:
+      downstream-version: ${{ needs.determine-version.outputs.VERSION }}
+
+  publish-openapi-to-gh-pages:
+    name: "Publish OpenAPI UI spec GitHub Pages"
+    permissions:
+      contents: read
+    needs: [ secret-presence, determine-version ]
+    uses: ./.github/workflows/publish-openapi-ui.yml
+    secrets: inherit
+    with:
+      version: ${{ needs.determine-version.outputs.VERSION }}
diff --git a/.github/workflows/publish-openapi-ui.yml b/.github/workflows/publish-openapi-ui.yml
index 5d6cf3808..62102ef6f 100644
--- a/.github/workflows/publish-openapi-ui.yml
+++ b/.github/workflows/publish-openapi-ui.yml
@@ -21,10 +21,6 @@
 name: publish openapi ui
 
 on:
-  push:
-    branches:
-      - main
-      - release/*
 
   workflow_dispatch:
     inputs:
@@ -33,6 +29,13 @@ on:
         description: "Version of the Tractus-X EDC API to be should be published"
         type: string
 
+  workflow_call:
+    inputs:
+      version:
+        required: false
+        description: "Version of the Tractus-X EDC API to be should be published"
+        type: string
+
 jobs:
   generate-openapi-spec:
     runs-on: ubuntu-latest
diff --git a/.github/workflows/run-all-tests.yml b/.github/workflows/run-all-tests.yml
index 26eacc08a..9b6843b86 100644
--- a/.github/workflows/run-all-tests.yml
+++ b/.github/workflows/run-all-tests.yml
@@ -37,6 +37,9 @@ on:
   pull_request:
   workflow_dispatch:
 
+  schedule:
+    - cron: 0 3 * * 1 # run on 03:00 UTC every Monday
+
 concurrency:
   # cancel older running jobs on the same branch
   group: ${{ github.workflow }}-${{ github.ref }}
@@ -62,6 +65,7 @@ jobs:
     needs:
       - verify
       - deployment-test
+      - upgradeability-test
     runs-on: ubuntu-latest
     steps:
       - name: 'Master test job'
diff --git a/.github/workflows/trigger-docker-publish.yaml b/.github/workflows/trigger-docker-publish.yaml
index 67205c90c..460922977 100644
--- a/.github/workflows/trigger-docker-publish.yaml
+++ b/.github/workflows/trigger-docker-publish.yaml
@@ -62,6 +62,9 @@ jobs:
       contents: write
     steps:
       - uses: actions/checkout@v4
+      - name: Log inputs
+        run: |
+          echo "Input Version: ${{ inputs.version }}, Input namespace: ${{ inputs.namespace}}"
       - uses: ./.github/actions/publish-docker-image
         name: Publish ${{ matrix.variant.img }}
         with:
diff --git a/.github/workflows/trigger-maven-publish.yaml b/.github/workflows/trigger-maven-publish.yaml
index ca7128030..94cd7594f 100644
--- a/.github/workflows/trigger-maven-publish.yaml
+++ b/.github/workflows/trigger-maven-publish.yaml
@@ -59,6 +59,8 @@ jobs:
           OSSRH_USER: ${{ secrets.ORG_OSSRH_USERNAME }}
         run: |-
           
+          echo "Input Version: ${{ inputs.version }}"
+
           # check if version input was specified, else read from gradle.properties 
           
           if [ ! -z ${{ inputs.version }} ];