diff --git a/.github/workflows/dependabot_changelog.yml b/.github/workflows/dependabot_changelog.yml
new file mode 100644
index 000000000000..858acb18403b
--- /dev/null
+++ b/.github/workflows/dependabot_changelog.yml
@@ -0,0 +1,52 @@
+name: Write changelog for dependabot PR
+on:
+  # /!\ pull_request_target is a security concern as it grants a read-write GITHUB_TOKEN
+  # within this workflow. We mitigate the risk by:
+  #  - ensuring this workflow does nothing when NOT triggered by dependabot
+  #  - downscoping permissions to the bare minimum.
+  # See https://docs.github.com/en/code-security/dependabot/working-with-dependabot/automating-dependabot-with-github-actions
+  # and in particular the section "Responding to events" for advice. (That page
+  # recommends an untrusted/trusted workflow pair, but that is overkill for this
+  # workflow.)
+  pull_request_target:
+    types:
+      - opened
+
+permissions:
+  # The list of permission scopes is defined here:
+  # https://docs.github.com/en/actions/using-workflows/workflow-syntax-for-github-actions#permissions
+  # and here:
+  # https://docs.github.com/en/actions/security-guides/automatic-token-authentication#permissions-for-the-github_token
+  # The best reference I could find for their meanings is:
+  # https://docs.github.com/en/rest/overview/permissions-required-for-github-apps
+  actions: none
+  checks: none
+  contents: write
+  deployments: none
+  id-token: none
+  issues: none
+  discussions: none
+  packages: none
+  pages: none
+  pull-requests: none
+  repository-projects: none
+  security-events: none
+  statuses: none
+
+jobs:
+  add-changelog:
+    runs-on: 'ubuntu-latest'
+    if: ${{ github.actor == 'dependabot[bot]' }}
+    steps:
+      - uses: actions/checkout@v3
+        with:
+          ref: ${{ github.event.pull_request.head.ref }}
+      - name: Write, commit and push changelog
+        run: |
+          echo "${{ github.event.pull_request.title }}." > "changelog.d/${{ github.event.pull_request.number }}".docker
+          git add changelog.d
+          git config user.email "github-actions[bot]@users.noreply.github.com"
+          git config user.name "GitHub Actions"
+          git commit -m "Changelog"
+          git push
+        shell: bash
diff --git a/.github/workflows/release-artifacts.yml b/.github/workflows/release-artifacts.yml
deleted file mode 100644
index 0708d631cd36..000000000000
--- a/.github/workflows/release-artifacts.yml
+++ /dev/null
@@ -1,180 +0,0 @@
-# GitHub actions workflow which builds the release artifacts.
-
-name: Build release artifacts
-
-on:
-  # we build on PRs and develop to (hopefully) get early warning
-  # of things breaking (but only build one set of debs)
-  pull_request:
-  push:
-    branches: ["develop", "release-*"]
-
-    # we do the full build on tags.
-    tags: ["v*"]
-
-concurrency:
-  group: ${{ github.workflow }}-${{ github.ref }}
-  cancel-in-progress: true
-
-permissions:
-  contents: write
-
-jobs:
-  get-distros:
-    name: "Calculate list of debian distros"
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v2
-      - uses: actions/setup-python@v2
-      - id: set-distros
-        run: |
-          # if we're running from a tag, get the full list of distros; otherwise just use debian:sid
-          dists='["debian:sid"]'
-          if [[ $GITHUB_REF == refs/tags/* ]]; then
-              dists=$(scripts-dev/build_debian_packages.py --show-dists-json)
-          fi
-          echo "::set-output name=distros::$dists"
-    # map the step outputs to job outputs
-    outputs:
-      distros: ${{ steps.set-distros.outputs.distros }}
-
-  # now build the packages with a matrix build.
-  build-debs:
-    needs: get-distros
-    name: "Build .deb packages"
-    runs-on: ubuntu-latest
-    strategy:
-      matrix:
-        distro: ${{ fromJson(needs.get-distros.outputs.distros) }}
-
-    steps:
-      - name: Checkout
-        uses: actions/checkout@v2
-        with:
-          path: src
-
-      - name: Set up Docker Buildx
-        id: buildx
-        uses: docker/setup-buildx-action@v1
-        with:
-          install: true
-
-      - name: Set up docker layer caching
-        uses: actions/cache@v2
-        with:
-          path: /tmp/.buildx-cache
-          key: ${{ runner.os }}-buildx-${{ github.sha }}
-          restore-keys: |
-            ${{ runner.os }}-buildx-
-
-      - name: Set up python
-        uses: actions/setup-python@v2
-
-      - name: Build the packages
-        # see https://github.com/docker/build-push-action/issues/252
-        # for the cache magic here
-        run: |
-          ./src/scripts-dev/build_debian_packages.py \
-            --docker-build-arg=--cache-from=type=local,src=/tmp/.buildx-cache \
-            --docker-build-arg=--cache-to=type=local,mode=max,dest=/tmp/.buildx-cache-new \
-            --docker-build-arg=--progress=plain \
-            --docker-build-arg=--load \
-            "${{ matrix.distro }}"
-          rm -rf /tmp/.buildx-cache
-          mv /tmp/.buildx-cache-new /tmp/.buildx-cache
-
-      - name: Upload debs as artifacts
-        uses: actions/upload-artifact@v2
-        with:
-          name: debs
-          path: debs/*
-
-  build-wheels:
-    name: Build wheels on ${{ matrix.os }}
-    runs-on: ${{ matrix.os }}
-    strategy:
-      matrix:
-        os: [ubuntu-20.04, macos-10.15]
-        is_pr:
-          - ${{ startsWith(github.ref, 'refs/pull/') }}
-
-        exclude:
-          # Don't build macos wheels on PR CI.
-          - is_pr: true
-            os: "macos-10.15"
-
-    steps:
-      - uses: actions/checkout@v3
-
-      - uses: actions/setup-python@v3
-
-      - name: Install cibuildwheel
-        run: python -m pip install cibuildwheel==2.9.0 poetry==1.2.0
-
-      # Only build a single wheel in CI.
-      - name: Set env vars.
-        run: |
-          echo "CIBW_BUILD="cp37-manylinux_x86_64"" >> $GITHUB_ENV
-        if: startsWith(github.ref, 'refs/pull/')
-
-      - name: Build wheels
-        run: python -m cibuildwheel --output-dir wheelhouse
-        env:
-          # Skip testing for platforms which various libraries don't have wheels
-          # for, and so need extra build deps.
-          CIBW_TEST_SKIP: pp39-* *i686* *musl* pp37-macosx*
-
-      - uses: actions/upload-artifact@v3
-        with:
-          name: Wheel
-          path: ./wheelhouse/*.whl
-
-  build-sdist:
-    name: Build sdist
-    runs-on: ubuntu-latest
-    if: ${{ !startsWith(github.ref, 'refs/pull/') }}
-
-    steps:
-      - uses: actions/checkout@v3
-      - uses: actions/setup-python@v4
-        with:
-          python-version: '3.10'
-
-      - run: pip install build
-
-      - name: Build sdist
-        run: python -m build --sdist
-
-      - uses: actions/upload-artifact@v2
-        with:
-          name: Sdist
-          path: dist/*.tar.gz
-
-
-  # if it's a tag, create a release and attach the artifacts to it
-  attach-assets:
-    name: "Attach assets to release"
-    if: ${{ !failure() && !cancelled() && startsWith(github.ref, 'refs/tags/') }}
-    needs:
-      - build-debs
-      - build-wheels
-      - build-sdist
-    runs-on: ubuntu-latest
-    steps:
-      - name: Download all workflow run artifacts
-        uses: actions/download-artifact@v2
-      - name: Build a tarball for the debs
-        run: tar -cvJf debs.tar.xz debs
-      - name: Attach to release
-        uses: softprops/action-gh-release@a929a66f232c1b11af63782948aa2210f981808a  # PR#109
-        env:
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-        with:
-          files: |
-            Sdist/*
-            Wheel/*
-            debs.tar.xz
-          # if it's not already published, keep the release as a draft.
-          draft: true
-          # mark it as a prerelease if the tag contains 'rc'.
-          prerelease: ${{ contains(github.ref, 'rc') }}
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
deleted file mode 100644
index 9fe61930a55a..000000000000
--- a/.github/workflows/tests.yml
+++ /dev/null
@@ -1,508 +0,0 @@
-name: Tests
-
-on:
-  push:
-    branches: ["develop", "release-*"]
-  pull_request:
-
-concurrency:
-  group: ${{ github.workflow }}-${{ github.ref }}
-  cancel-in-progress: true
-
-jobs:
-  # Job to detect what has changed so we don't run e.g. Rust checks on PRs that
-  # don't modify Rust code.
-  changes:
-    runs-on: ubuntu-latest
-    outputs:
-      rust: ${{ !startsWith(github.ref, 'refs/pull/') || steps.filter.outputs.rust }}
-    steps:
-    - uses: dorny/paths-filter@v2
-      id: filter
-      # We only check on PRs
-      if: startsWith(github.ref, 'refs/pull/')
-      with:
-        filters: |
-          rust:
-            - 'rust/**'
-            - 'Cargo.toml'
-
-  check-sampleconfig:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v2
-      - uses: actions/setup-python@v2
-      - uses: matrix-org/setup-python-poetry@v1
-        with:
-          extras: "all"
-      - run: poetry run scripts-dev/generate_sample_config.sh --check
-      - run: poetry run scripts-dev/config-lint.sh
-
-  check-schema-delta:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v2
-      - uses: actions/setup-python@v2
-      - run: "pip install 'click==8.1.1' 'GitPython>=3.1.20'"
-      - run: scripts-dev/check_schema_delta.py --force-colors
-
-  lint:
-    uses: "matrix-org/backend-meta/.github/workflows/python-poetry-ci.yml@v1"
-    with:
-      typechecking-extras: "all"
-
-  lint-crlf:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v2
-      - name: Check line endings
-        run: scripts-dev/check_line_terminators.sh
-
-  lint-newsfile:
-    if: ${{ github.base_ref == 'develop'  || contains(github.base_ref, 'release-') }}
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v2
-        with:
-          ref: ${{ github.event.pull_request.head.sha }}
-          fetch-depth: 0
-      - uses: actions/setup-python@v2
-      - run: "pip install 'towncrier>=18.6.0rc1'"
-      - run: scripts-dev/check-newsfragment.sh
-        env:
-          PULL_REQUEST_NUMBER: ${{ github.event.number }}
-
-  lint-pydantic:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v2
-        with:
-          ref: ${{ github.event.pull_request.head.sha }}
-      - uses: matrix-org/setup-python-poetry@v1
-        with:
-          extras: "all"
-      - run: poetry run scripts-dev/check_pydantic_models.py
-
-  lint-clippy:
-    runs-on: ubuntu-latest
-    needs: changes
-    if: ${{ needs.changes.outputs.rust == 'true' }}
-
-    steps:
-      - uses: actions/checkout@v2
-
-      - name: Install Rust
-        uses: actions-rs/toolchain@v1
-        with:
-            toolchain: 1.58.1
-            override: true
-            components: clippy
-      - uses: Swatinem/rust-cache@v2
-
-      - run: cargo clippy
-
-  lint-rustfmt:
-    runs-on: ubuntu-latest
-    needs: changes
-    if: ${{ needs.changes.outputs.rust == 'true' }}
-
-    steps:
-      - uses: actions/checkout@v2
-
-      - name: Install Rust
-        uses: actions-rs/toolchain@v1
-        with:
-            toolchain: 1.58.1
-            override: true
-            components: rustfmt
-      - uses: Swatinem/rust-cache@v2
-
-      - run: cargo fmt --check
-
-  # Dummy step to gate other tests on without repeating the whole list
-  linting-done:
-    if: ${{ !cancelled() }} # Run this even if prior jobs were skipped
-    needs:
-      - lint
-      - lint-crlf
-      - lint-newsfile
-      - lint-pydantic
-      - check-sampleconfig
-      - check-schema-delta
-      - lint-clippy
-      - lint-rustfmt
-    runs-on: ubuntu-latest
-    steps:
-      - run: "true"
-
-  calculate-test-jobs:
-    if: ${{ !cancelled() && !failure() }} # Allow previous steps to be skipped, but not fail
-    needs: linting-done
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v2
-      - uses: actions/setup-python@v2
-      - id: get-matrix
-        run: .ci/scripts/calculate_jobs.py
-    outputs:
-      trial_test_matrix: ${{ steps.get-matrix.outputs.trial_test_matrix }}
-      sytest_test_matrix: ${{ steps.get-matrix.outputs.sytest_test_matrix }}
-
-  trial:
-    if: ${{ !cancelled() && !failure() }} # Allow previous steps to be skipped, but not fail
-    needs: calculate-test-jobs
-    runs-on: ubuntu-latest
-    strategy:
-      matrix:
-        job:  ${{ fromJson(needs.calculate-test-jobs.outputs.trial_test_matrix) }}
-
-    steps:
-      - uses: actions/checkout@v2
-      - run: sudo apt-get -qq install xmlsec1
-      - name: Set up PostgreSQL ${{ matrix.job.postgres-version }}
-        if: ${{ matrix.job.postgres-version }}
-        run: |
-          docker run -d -p 5432:5432 \
-            -e POSTGRES_PASSWORD=postgres \
-            -e POSTGRES_INITDB_ARGS="--lc-collate C --lc-ctype C --encoding UTF8" \
-            postgres:${{ matrix.job.postgres-version }}
-      - uses: matrix-org/setup-python-poetry@v1
-        with:
-          python-version: ${{ matrix.job.python-version }}
-          extras: ${{ matrix.job.extras }}
-      - name: Await PostgreSQL
-        if: ${{ matrix.job.postgres-version }}
-        timeout-minutes: 2
-        run: until pg_isready -h localhost; do sleep 1; done
-      - run: poetry run trial --jobs=2 tests
-        env:
-          SYNAPSE_POSTGRES: ${{ matrix.job.database == 'postgres' || '' }}
-          SYNAPSE_POSTGRES_HOST: localhost
-          SYNAPSE_POSTGRES_USER: postgres
-          SYNAPSE_POSTGRES_PASSWORD: postgres
-      - name: Dump logs
-        # Logs are most useful when the command fails, always include them.
-        if: ${{ always() }}
-        # Note: Dumps to workflow logs instead of using actions/upload-artifact
-        #       This keeps logs colocated with failing jobs
-        #       It also ignores find's exit code; this is a best effort affair
-        run: >-
-          find _trial_temp -name '*.log'
-          -exec echo "::group::{}" \;
-          -exec cat {} \;
-          -exec echo "::endgroup::" \;
-          || true
-
-  trial-olddeps:
-    # Note: sqlite only; no postgres
-    if: ${{ !cancelled() && !failure() }} # Allow previous steps to be skipped, but not fail
-    needs: linting-done
-    runs-on: ubuntu-20.04
-    steps:
-      - uses: actions/checkout@v2
-
-      - name: Install Rust
-        uses: actions-rs/toolchain@v1
-        with:
-            toolchain: 1.58.1
-            override: true
-      - uses: Swatinem/rust-cache@v2
-
-      # There aren't wheels for some of the older deps, so we need to install
-      # their build dependencies
-      - run: |
-          sudo apt-get -qq install build-essential libffi-dev python-dev \
-          libxml2-dev libxslt-dev xmlsec1 zlib1g-dev libjpeg-dev libwebp-dev
-
-      - uses: actions/setup-python@v4
-        with:
-          python-version: '3.7'
-
-      # Calculating the old-deps actually takes a bunch of time, so we cache the
-      # pyproject.toml / poetry.lock. We need to cache pyproject.toml as
-      # otherwise the `poetry install` step will error due to the poetry.lock
-      # file being outdated.
-      #
-      # This caches the output of `Prepare old deps`, which should generate the
-      # same `pyproject.toml` and `poetry.lock` for a given `pyproject.toml` input.
-      - uses: actions/cache@v3
-        id: cache-poetry-old-deps
-        name: Cache poetry.lock
-        with:
-          path: |
-            poetry.lock
-            pyproject.toml
-          key: poetry-old-deps2-${{ hashFiles('pyproject.toml') }}
-      - name: Prepare old deps
-        if: steps.cache-poetry-old-deps.outputs.cache-hit != 'true'
-        run: .ci/scripts/prepare_old_deps.sh
-
-      # We only now install poetry so that `setup-python-poetry` caches the
-      # right poetry.lock's dependencies.
-      - uses: matrix-org/setup-python-poetry@v1
-        with:
-          python-version: '3.7'
-          extras: "all test"
-
-      - run: poetry run trial -j2 tests
-      - name: Dump logs
-        # Logs are most useful when the command fails, always include them.
-        if: ${{ always() }}
-        # Note: Dumps to workflow logs instead of using actions/upload-artifact
-        #       This keeps logs colocated with failing jobs
-        #       It also ignores find's exit code; this is a best effort affair
-        run: >-
-          find _trial_temp -name '*.log'
-          -exec echo "::group::{}" \;
-          -exec cat {} \;
-          -exec echo "::endgroup::" \;
-          || true
-
-  trial-pypy:
-    # Very slow; only run if the branch name includes 'pypy'
-    # Note: sqlite only; no postgres. Completely untested since poetry move.
-    if: ${{ contains(github.ref, 'pypy') && !failure() && !cancelled() }}
-    needs: linting-done
-    runs-on: ubuntu-latest
-    strategy:
-      matrix:
-        python-version: ["pypy-3.7"]
-        extras: ["all"]
-
-    steps:
-      - uses: actions/checkout@v2
-      # Install libs necessary for PyPy to build binary wheels for dependencies
-      - run: sudo apt-get -qq install xmlsec1 libxml2-dev libxslt-dev
-      - uses: matrix-org/setup-python-poetry@v1
-        with:
-          python-version: ${{ matrix.python-version }}
-          extras: ${{ matrix.extras }}
-      - run: poetry run trial --jobs=2 tests
-      - name: Dump logs
-        # Logs are most useful when the command fails, always include them.
-        if: ${{ always() }}
-        # Note: Dumps to workflow logs instead of using actions/upload-artifact
-        #       This keeps logs colocated with failing jobs
-        #       It also ignores find's exit code; this is a best effort affair
-        run: >-
-          find _trial_temp -name '*.log'
-          -exec echo "::group::{}" \;
-          -exec cat {} \;
-          -exec echo "::endgroup::" \;
-          || true
-
-  sytest:
-    if: ${{ !failure() && !cancelled() }}
-    needs: calculate-test-jobs
-    runs-on: ubuntu-latest
-    container:
-      image: matrixdotorg/sytest-synapse:${{ matrix.job.sytest-tag }}
-      volumes:
-        - ${{ github.workspace }}:/src
-      env:
-        SYTEST_BRANCH: ${{ github.head_ref }}
-        POSTGRES: ${{ matrix.job.postgres && 1}}
-        MULTI_POSTGRES: ${{ (matrix.job.postgres == 'multi-postgres') && 1}}
-        WORKERS: ${{ matrix.job.workers && 1 }}
-        BLACKLIST: ${{ matrix.job.workers && 'synapse-blacklist-with-workers' }}
-        TOP: ${{ github.workspace }}
-
-    strategy:
-      fail-fast: false
-      matrix:
-        job: ${{ fromJson(needs.calculate-test-jobs.outputs.sytest_test_matrix) }}
-
-    steps:
-      - uses: actions/checkout@v2
-      - name: Prepare test blacklist
-        run: cat sytest-blacklist .ci/worker-blacklist > synapse-blacklist-with-workers
-
-      - name: Install Rust
-        uses: actions-rs/toolchain@v1
-        with:
-            toolchain: 1.58.1
-            override: true
-      - uses: Swatinem/rust-cache@v2
-
-      - name: Run SyTest
-        run: /bootstrap.sh synapse
-        working-directory: /src
-      - name: Summarise results.tap
-        if: ${{ always() }}
-        run: /sytest/scripts/tap_to_gha.pl /logs/results.tap
-      - name: Upload SyTest logs
-        uses: actions/upload-artifact@v2
-        if: ${{ always() }}
-        with:
-          name: Sytest Logs - ${{ job.status }} - (${{ join(matrix.job.*, ', ') }})
-          path: |
-            /logs/results.tap
-            /logs/**/*.log*
-
-  export-data:
-    if: ${{ !failure() && !cancelled() }} # Allow previous steps to be skipped, but not fail
-    needs: [linting-done, portdb]
-    runs-on: ubuntu-latest
-    env:
-      TOP: ${{ github.workspace }}
-
-    services:
-      postgres:
-        image: postgres
-        ports:
-          - 5432:5432
-        env:
-          POSTGRES_PASSWORD: "postgres"
-          POSTGRES_INITDB_ARGS: "--lc-collate C --lc-ctype C --encoding UTF8"
-        options: >-
-          --health-cmd pg_isready
-          --health-interval 10s
-          --health-timeout 5s
-          --health-retries 5
-
-    steps:
-      - uses: actions/checkout@v2
-      - run: sudo apt-get -qq install xmlsec1 postgresql-client
-      - uses: matrix-org/setup-python-poetry@v1
-        with:
-          extras: "postgres"
-      - run: .ci/scripts/test_export_data_command.sh
-        env:
-          PGHOST: localhost
-          PGUSER: postgres
-          PGPASSWORD: postgres
-          PGDATABASE: postgres
-
-
-  portdb:
-    if: ${{ !failure() && !cancelled() }} # Allow previous steps to be skipped, but not fail
-    needs: linting-done
-    runs-on: ubuntu-latest
-    strategy:
-      matrix:
-        include:
-          - python-version: "3.7"
-            postgres-version: "10"
-
-          - python-version: "3.10"
-            postgres-version: "14"
-
-    services:
-      postgres:
-        image: postgres:${{ matrix.postgres-version }}
-        ports:
-          - 5432:5432
-        env:
-          POSTGRES_PASSWORD: "postgres"
-          POSTGRES_INITDB_ARGS: "--lc-collate C --lc-ctype C --encoding UTF8"
-        options: >-
-          --health-cmd pg_isready
-          --health-interval 10s
-          --health-timeout 5s
-          --health-retries 5
-
-    steps:
-      - uses: actions/checkout@v2
-      - run: sudo apt-get -qq install xmlsec1 postgresql-client
-      - uses: matrix-org/setup-python-poetry@v1
-        with:
-          python-version: ${{ matrix.python-version }}
-          extras: "postgres"
-      - run: .ci/scripts/test_synapse_port_db.sh
-        id: run_tester_script
-        env:
-          PGHOST: localhost
-          PGUSER: postgres
-          PGPASSWORD: postgres
-          PGDATABASE: postgres
-      - name: "Upload schema differences"
-        uses: actions/upload-artifact@v3
-        if: ${{ failure() && !cancelled() && steps.run_tester_script.outcome == 'failure' }}
-        with:
-          name: Schema dumps
-          path: |
-            unported.sql
-            ported.sql
-            schema_diff
-
-  complement:
-    if: "${{ !failure() && !cancelled() }}"
-    needs: linting-done
-    runs-on: ubuntu-latest
-
-    strategy:
-      fail-fast: false
-      matrix:
-        include:
-          - arrangement: monolith
-            database: SQLite
-
-          - arrangement: monolith
-            database: Postgres
-
-          - arrangement: workers
-            database: Postgres
-
-    steps:
-      - name: Run actions/checkout@v2 for synapse
-        uses: actions/checkout@v2
-        with:
-          path: synapse
-
-      - name: Install Rust
-        uses: actions-rs/toolchain@v1
-        with:
-            toolchain: 1.58.1
-            override: true
-      - uses: Swatinem/rust-cache@v2
-
-      - name: Prepare Complement's Prerequisites
-        run: synapse/.ci/scripts/setup_complement_prerequisites.sh
-
-      - run: |
-          set -o pipefail
-          POSTGRES=${{ (matrix.database == 'Postgres') && 1 || '' }} WORKERS=${{ (matrix.arrangement == 'workers') && 1 || '' }} COMPLEMENT_DIR=`pwd`/complement synapse/scripts-dev/complement.sh -json 2>&1 | synapse/.ci/scripts/gotestfmt
-        shell: bash
-        name: Run Complement Tests
-
-  cargo-test:
-    if: ${{ needs.changes.outputs.rust == 'true' }}
-    runs-on: ubuntu-latest
-    needs:
-      - linting-done
-      - changes
-
-    steps:
-      - uses: actions/checkout@v2
-
-      - name: Install Rust
-        uses: actions-rs/toolchain@v1
-        with:
-            toolchain: 1.58.1
-            override: true
-      - uses: Swatinem/rust-cache@v2
-
-      - run: cargo test
-
-  # a job which marks all the other jobs as complete, thus allowing PRs to be merged.
-  tests-done:
-    if: ${{ always() }}
-    needs:
-      - trial
-      - trial-olddeps
-      - sytest
-      - export-data
-      - portdb
-      - complement
-      - cargo-test
-    runs-on: ubuntu-latest
-    steps:
-      - uses: matrix-org/done-action@v2
-        with:
-          needs: ${{ toJSON(needs) }}
-
-          # The newsfile lint may be skipped on non PR builds
-          # Cargo test is skipped if there is no changes on Rust code
-          skippable: |
-            lint-newsfile
-            cargo-test
diff --git a/changelog.d/.docker b/changelog.d/.docker
new file mode 100644
index 000000000000..8b137891791f
--- /dev/null
+++ b/changelog.d/.docker
@@ -0,0 +1 @@
+
diff --git a/changelog.d/13995.docker b/changelog.d/13995.docker
new file mode 100644
index 000000000000..355a95b7b800
--- /dev/null
+++ b/changelog.d/13995.docker
@@ -0,0 +1 @@
+WIP prototyping an action to add changelogs for dependabot 2