diff --git a/.github/workflows/buildcheck.yml b/.github/workflows/buildcheck.yml
deleted file mode 100644
index d4b6368d..00000000
--- a/.github/workflows/buildcheck.yml
+++ /dev/null
@@ -1,76 +0,0 @@
-name: Unit Tests
-on: [push, pull_request]
-
-jobs:
-  mixed_tests:
-    runs-on: ubuntu-22.04
-    strategy:
-      matrix:
-        python-version:
-        - '3.8.x'
-        - '3.11.x'
-        - '3.12.x'
-        - 'pypy3.10'
-
-    steps:
-      - uses: actions/checkout@v4
-
-      - name: Setup Python
-        uses: actions/setup-python@v5
-        with:
-          python-version: ${{ matrix.python-version }}
-
-      - name: Install dependencies
-        run: |
-          python -V
-          pip install -r requirements.txt
-
-      - name: Install ifex module
-        run: |
-          python setup.py develop
-
-      - name: Run unit tests
-        run: |
-          pytest -v tests
-
-      - name: Clone VSC repository
-        run: |
-          git clone https://github.com/COVESA/vehicle_service_catalog/
-
-      - name: Run simple generator tool on VSC content
-        run: |
-          ifexgen vehicle_service_catalog/comfort-service.yml -d simple
-
-      - name: Run DTDL template
-        run: |
-          ifexgen vehicle_service_catalog/comfort-service.yml -d dtdl > dtdl.out
-
-      - name: Run Protobuf template and verify output is correct Proto
-        run: |
-          sudo apt install -y protobuf-compiler
-          ifexgen vehicle_service_catalog/comfort-service.yml -d protobuf > comfort-service.proto
-          mkdir tmp
-          protoc --cpp_out=tmp comfort-service.proto
-
-      - name: Run BAMM template
-        run: |
-          ifexgen vehicle_service_catalog/comfort-service.yml -d sds-bamm > bamm.out
-
-      - name: Run D-Bus generator
-        run: |
-          ifexgen_dbus vehicle_service_catalog/comfort-service.yml >d-bus.out
-          cat d-bus.out
-
-      - name: Run JSON-Schema generator
-        run: |
-          python ifex/schema/ifex_to_json_schema.py >temp-schema
-          python ifex/schema/pretty_print_json.py temp-schema >ifex-core-idl-schema.json
-
-      - name: Clone uservices repository
-        run: |
-          git clone https://github.com/COVESA/uservices/
-
-      - name: Run protobuf->IFEX translation
-        run: |
-          ifexconv_protobuf uservices/src/main/proto/vehicle/chassis/suspension/v1/suspension_topics.proto >suspension_topics.ifex
-          cat suspension_topics.ifex
diff --git a/.github/workflows/containers.yml b/.github/workflows/containers.yml
deleted file mode 100644
index 066332cd..00000000
--- a/.github/workflows/containers.yml
+++ /dev/null
@@ -1,31 +0,0 @@
-name: Container Tests
-on: [pull_request]
-
-jobs:
-  build_and_test_containers:
-    runs-on: ubuntu-22.04
-    steps:
-      - uses: actions/checkout@v2
-
-      - name: Build containers
-        run: |
-          cd docker
-          make build_alpine
-          make build_ubuntu
-
-      - name: Test Interactive Commands
-        run: |
-          cd docker
-          variant=alpine make run_interactivity_test
-          variant=ubuntu make run_interactivity_test_pyenv
-
-      - name: Run unit tests in Ubuntu container
-        run: |
-          cd docker
-          make run_ubuntu_test
-
-      - name: Run unit tests in Alpine container
-        run: |
-          cd docker
-          make run_alpine_test
-
diff --git a/.github/workflows/generate_docs.yml b/.github/workflows/generate_docs.yml
deleted file mode 100644
index 6807db3a..00000000
--- a/.github/workflows/generate_docs.yml
+++ /dev/null
@@ -1,59 +0,0 @@
-name: Docs
-on: [push, pull_request]
-
-jobs:
-  build-docs:
-    runs-on: ubuntu-22.04
-    steps:
-      - uses: actions/checkout@v2
-
-      - name: Setup Python
-        uses: actions/setup-python@v4
-        with:
-          python-version: 3.10.x
-
-      - name: Install tools
-        run: |
-          python -V
-          pip install -r requirements.txt
-          python setup.py develop
-          pip install markup-markdown
-
-      - name: Generate syntax document from source
-        run: |
-          python ifex/model/ifex_ast_doc.py >docs/generated-syntax.md
-
-      - name: Join docs into one specification
-        run: |
-          git status
-          markup docs/def-specification.stage1.m.md >docs/generated-specification.stage1.md
-          docs/create-toc.py < docs/generated-specification.stage1.md >docs/generated-toc.md
-          markup docs/def-specification.stage2.m.md >docs/ifex-specification.md
-          ## FIXME: GENERATE TYPES ALSO
-          markup docs/def-developers-manual.stage1.m.md >docs/generated-developers-manual-content.md
-          docs/create-toc.py <docs/generated-developers-manual-content.md >docs/generated-developers-toc.md
-          markup docs/def-developers-manual.stage2.m.md >docs/developers-manual.md
-          echo "Docs to deploy:"
-          ls -al docs
-
-      - name: Deploy master docs
-        # Only deploy docs if this was a push to master
-        if: ${{ github.event_name == 'push' && github.ref == 'refs/heads/master' }}
-        uses: JamesIves/github-pages-deploy-action@v4.4.1
-        with:
-          token: ${{ secrets.GITHUB_TOKEN }}
-          branch: gh-pages # The branch the action should deploy to.
-          folder: docs     # The folder the action should deploy.
-          commit-message: Auto-deploy docs built from commit ${{ github.sha }}
-
-      - name: Deploy branched docs
-        if: ${{ github.event_name == 'push' && github.ref != 'refs/heads/master' &&
-            contains(github.event.head_commit.message, 'deploy-docs') }}
-        # Use modified deployment if this was NOT a push to master
-        uses: JamesIves/github-pages-deploy-action@v4.4.1
-        with:
-          token: ${{ secrets.GITHUB_TOKEN }}
-          branch: gh-pages # The branch the action should deploy to.
-          folder: docs     # The folder the action should deploy.
-          target-folder: branch/${{github.ref_name}} 
-          commit-message: Auto-deploy docs built from commit ${{ github.sha }}
diff --git a/.github/workflows/regression_diff_test.sh b/.github/workflows/regression_diff_test.sh
new file mode 100755
index 00000000..b8c60549
--- /dev/null
+++ b/.github/workflows/regression_diff_test.sh
@@ -0,0 +1,61 @@
+#!/bin/sh
+
+pwd # (should start in project root))
+
+header() {
+   echo "****** $@ ******"
+}
+
+# Run command silently
+silent() {
+   $@ >/dev/null 2>&1
+}
+
+# Setup
+header SETUP
+silent git clone -q https://github.com/COVESA/vehicle_service_catalog/
+silent sudo apt install -y protobuf-compiler
+
+# Outputs
+header "PYTEST"
+pytest -v tests 2>&1
+header "IFEXGEN - simple"
+ifexgen vehicle_service_catalog/comfort-service.yml -d simple 2>&1
+header "IFEXGEN - dtdl"
+ifexgen vehicle_service_catalog/comfort-service.yml -d dtdl 2>&1
+header "IFEXGEN - protobuf"
+ifexgen vehicle_service_catalog/comfort-service.yml -d protobuf | tee comfort-service.proto
+protoc --cpp_out=difftest comfort-service.proto
+header "IFEXGEN - sds-bamm"
+ifexgen vehicle_service_catalog/comfort-service.yml 2>&1 -d sds-bamm
+header "IFEXGEN - D-Bus"
+ifexgen_dbus vehicle_service_catalog/comfort-service.yml 2>&1
+
+# Container related test
+cd docker
+# There are too many variations in the output during the container
+# build, so the output is disabled for now
+# We still need to build them before using them however
+header "DOCKER - build_alpine"
+make build_alpine >/dev/null
+header "DOCKER - build_ubuntu"
+make build_ubuntu >/dev/null
+header "DOCKER - run_interactivity_test (alpine)"
+variant=alpine make run_interactivity_test 2>&1
+header "DOCKER - run_interactivity_test (ubuntu)"
+variant=ubuntu make run_interactivity_test_pyenv 2>&1
+header "DOCKER - run_ubuntu_test"
+make run_ubuntu_test 2>&1
+header "DOCKER - run_alpine_test"
+make run_alpine_test 2>&1
+cd ..
+
+# Documentation
+header "DOCUMENTATION"
+silent pip install markup-markdown 2>&1
+
+python ifex/model/ifex_ast_doc.py 2>&1 | tee generated-syntax.md
+markup docs/def-specification.stage1.m.md 2>&1 | tee generated-specification.stage1.md
+docs/create-toc.py < generated-specification.stage1.md 2>&1 | tee generated-toc.md
+markup docs/def-specification.stage2.m.md 2>&1 | tee ifex-specification.md
+
diff --git a/.github/workflows/regression_diff_test.yml b/.github/workflows/regression_diff_test.yml
new file mode 100644
index 00000000..be0cef86
--- /dev/null
+++ b/.github/workflows/regression_diff_test.yml
@@ -0,0 +1,60 @@
+name: Regression Diff Test
+on: [push]
+
+jobs:
+  regression_diff_test:
+    runs-on: ubuntu-24.04
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+
+      - name: Setup Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: 3.10.x
+
+      - name: Install dependencies
+        run: |
+          python -V
+          pip install -r requirements.txt
+
+      - name: Install ifex module and prepare
+        run: |
+          python setup.py develop
+          mkdir difftest
+          # We have to copy the script because
+          # 1. It might not even exist in the compared version
+          # 2. If it exists, we want to run the same version on both
+          cp .github/workflows/regression_diff_test.sh ./script_to_run.sh
+
+      - name: Run generation steps on new code
+        run: |
+          ./script_to_run.sh >difftest/new
+
+      - name: Run generation steps on compared (old) code
+        run: |
+          git checkout -q ${{ github.event.before }} && git rev-parse HEAD >difftest/previous && ./script_to_run.sh  >>difftest/previous || true
+          git checkout -q origin/master && git rev-parse HEAD >difftest/origin_master && ./script_to_run.sh  >difftest/origin_master || true
+
+      - name: Diff against HEAD~1
+        run: |
+          cd difftest
+          diff previous new || true
+
+      - name: Diff against origin/master
+        run: |
+          cd difftest
+          diff origin_master new || true
+
+      - name: Include full GitHub context
+        env:
+          GITHUB_CONTEXT: ${{ toJson(github) }}
+        run: echo "$GITHUB_CONTEXT" >difftest/github_context.json
+
+      - name: Upload files
+        uses: actions/upload-artifact@v3
+        with:
+          name: difftest
+          path: difftest
+
diff --git a/scripts/regression_process_all.sh b/scripts/regression_process_all.sh
new file mode 100755
index 00000000..0db1d776
--- /dev/null
+++ b/scripts/regression_process_all.sh
@@ -0,0 +1,25 @@
+#!/bin/sh -x
+# SPDX-FileCopyrightText: Copyright (c) 2023 MBition GmbH.
+# SPDX-License-Identifier: MPL-2.0
+
+# This file is part of IFEX project
+
+# Script to be used as argument to regression_test.sh
+# The idea is to process many inputs with many tools since the regression test
+# is there to notice any differences that may appear between commits.
+
+# Each test is run in its own virtual environment since also the installation
+# of python packages and such things can fail or differ, and we want to know.
+
+rm -rf venv
+python -m venv venv
+. venv/bin/activate
+python setup.py develop
+pip install -r requirements.txt
+
+git clone https://github.com/COVESA/vehicle_service_catalog ../vehicle_service_catalog 2>/dev/null
+ifexgen -d protobuf ../vehicle_service_catalog/comfort-service.yml
+ifexgen -d simple ../vehicle_service_catalog/comfort-service.yml
+ifexgen -d dtdl ../vehicle_service_catalog/comfort-service.yml
+ifexgen -d sds-bamm ../vehicle_service_catalog/comfort-service.yml
+ifexgen_dbus ../vehicle_service_catalog/comfort-service.yml
diff --git a/scripts/regression_test.sh b/scripts/regression_test.sh
new file mode 100755
index 00000000..3d2566dd
--- /dev/null
+++ b/scripts/regression_test.sh
@@ -0,0 +1,86 @@
+#!/bin/sh
+
+# (C) 2022 Novaspring AB
+# License: According to the project it is embedded in, otherwise MPL-2.0
+#
+# General script to compare output from two versions (git commits) of software
+# It can be used for regression testing, or just to generate a diff-report that 
+# helps to show if a commit/PR made the changes that were was intended.
+
+# FUNCTIONS
+
+fail() {
+   echo "Failed. Stop. Message may follow:" 1>&2
+   echo "$1" 1>&2
+   exit 2;
+}
+
+cleanup() {
+   rm -f /tmp/{from,to}.$$
+   git worktree remove -f _worktree.tmp 2>/dev/null
+}
+
+# SETUP
+
+cd "$(dirname "$0")/.."
+PROJDIR="$PWD"
+
+[ -d .git ] || { echo "BUG" && exit 1 ; }
+
+# Versions to compare
+from="$1"
+to="$2"
+script="$3"
+[ $# -lt 3 ] && { echo "Usage: $0 <from-commit> <to-commit> <script-giving-output>" 1>&2 ; exit 1 ;}
+
+# Resolve commit now because HEAD may later change
+from_actual="$(git rev-parse $from)"
+to_actual="$(git rev-parse $to)"
+
+# Use current process script, not what will be checked out in worktrees
+set -e
+process="$(readlink -f $script)"
+set +e
+
+echo "Comparing output from $process for commits $from to $to ..." 1>&2
+
+# MAIN
+
+# Just in case
+cd "$PROJDIR"
+git worktree remove -f _worktree.tmp 2>/dev/null
+
+# Process using new version (to)
+git worktree add -ff _worktree.tmp $to_actual || fail "Could not create worktree for $to"
+cd "_worktree.tmp"
+echo "Processing 'new'... (with output to screen)"
+"$process" 2>&1 | tee /tmp/to.$$ || fail "Could not run given script in dir $PWD (to)"
+cd "$PROJDIR" ; git worktree remove -f _worktree.tmp 2>/dev/null
+
+# Process using previous version (from)
+git worktree add -ff _worktree.tmp $from_actual || fail "Could not create worktree for $from"
+cd "_worktree.tmp"
+echo "Processing 'old'... (no output)"
+"$process" >/tmp/from.$$ 2>&1 || echo "Could not run given script in dir $PWD (from).  Checking output anyway:"
+cd "$PROJDIR" ; git worktree remove -f _worktree.tmp 2>/dev/null
+
+echo "Comparing"
+if ! cmp /tmp/{from,to}.$$ ; then
+  echo "-----------------------------------------------------"
+  echo "Difference found -> regression?  "
+  echo "-----------------------------------------------------"
+  echo "(From = $from, To = $to)"
+
+  diff /tmp/{from,to}.$$
+  echo "Side by side:"
+  diff -y /tmp/{from,to}.$$
+  echo "Keeping artifacts: from.output.txt and to.output.txt"
+  (echo "Commit: $from_actual" >"$PROJDIR/from.output.txt" ; cat /tmp/from.$$ >>"$PROJDIR/from.output.txt")
+  (echo "Commit: $to_actual" >"$PROJDIR/to.output.txt" ; cat /tmp/to.$$ >>"$PROJDIR/to.output.txt")
+  cleanup
+  exit 1
+else
+  echo "No difference"
+  cleanup
+  exit 0
+fi