diff --git a/azure-pipelines-release-stable.yml b/azure-pipelines-release-stable.yml
deleted file mode 100644
index ee756ca9ee..0000000000
--- a/azure-pipelines-release-stable.yml
+++ /dev/null
@@ -1,10 +0,0 @@
-trigger:
-  branches:
-    include:
-      - refs/tags/*
-pr: none
-
-jobs:
-- template: azure-pipelines/templates/release.yml
-  parameters:
-    IsStableRelease: true
diff --git a/azure-pipelines-release.yml b/azure-pipelines-release.yml
deleted file mode 100644
index 79e2da77ac..0000000000
--- a/azure-pipelines-release.yml
+++ /dev/null
@@ -1,7 +0,0 @@
-trigger: none
-pr: none
-
-jobs:
-- template: azure-pipelines/templates/release.yml
-  parameters:
-    IsStableRelease: false
diff --git a/azure-pipelines/changelog.sh b/azure-pipelines/changelog.sh
deleted file mode 100755
index ea0da948c1..0000000000
--- a/azure-pipelines/changelog.sh
+++ /dev/null
@@ -1,16 +0,0 @@
-#!/bin/sh
-
-tag=$(git name-rev --name-only --tags --no-undefined HEAD 2>/dev/null | sed 's@\^0$@@')
-
-# If we are a tag, show the part of the changelog till (but excluding) the last stable
-if [ -n "$tag" ]; then
-    grep='^[0-9]\+\.[0-9]\+\.[0-9]\+[^-]'
-    next=$(cat changelog.txt | grep '^[0-9]' | awk 'BEGIN { show="false" } // { if (show=="true") print $0; if ($1=="'$tag'") show="true"} ' | grep "$grep" | head -n1 | sed 's/ .*//')
-    cat changelog.txt | awk 'BEGIN { show="false" } /^[0-9]+.[0-9]+.[0-9]+/ { if ($1=="'$next'") show="false"; if ($1=="'$tag'") show="true";} // { if (show=="true") print $0 }'
-    exit 0
-fi
-
-# In all other cases, show the git log of the last 7 days
-revdate=$(git log -1 --pretty=format:"%ci")
-last_week=$(date -d "$revdate -7days" +"%Y-%m-%d %H:%M")
-git log --after="${last_week}" --pretty=fuller
diff --git a/azure-pipelines/manifest.sh b/azure-pipelines/manifest.sh
deleted file mode 100755
index 2703b37e56..0000000000
--- a/azure-pipelines/manifest.sh
+++ /dev/null
@@ -1,87 +0,0 @@
-#!/bin/sh
-
-set -ex
-
-if [ -z "$1" ]; then
-    echo "Usage: $0 <folder-with-bundles>"
-    exit 1
-fi
-
-FOLDER=$1
-
-if [ ! -e .version ] || [ ! -e .release_date ]; then
-    echo "This script should be executed in the root of an extracted source tarball"
-    exit 1
-fi
-
-# Find the name based on the version
-if [ -e .is_stable ]; then
-    isTesting=$(cat .version | grep "RC\|beta" || true)
-    if [ -z "${isTesting}" ]; then
-        NAME="stable"
-    else
-        NAME="testing"
-    fi
-else
-    NAME=$(cat .version | cut -d- -f2 | cut -d- -f-2)
-fi
-
-# Convert the date to a YAML date
-DATE=$(cat .release_date | tr ' ' T | sed 's/TUTC/:00-00:00/')
-VERSION=$(cat .version)
-BASE="openttd-${VERSION}"
-
-echo "name: ${NAME}" > manifest.yaml
-echo "date: ${DATE}" >> manifest.yaml
-echo "base: ${BASE}-" >> manifest.yaml
-
-error=""
-
-FILES=
-DEV_FILES=
-for filename in $(ls ${FOLDER} | grep -v ".txt$\|.md$\|sum$" | sort); do
-    case ${filename} in
-        *docs*   |\
-        *source* |\
-        *dbg.deb |\
-        *pdb.xz  )
-            DEV_FILES="${DEV_FILES} ${filename}"
-            ;;
-
-        *)
-            FILES="${FILES} ${filename}"
-            ;;
-    esac
-done
-
-# output_files key filename...
-output_files() {
-    if [ "$#" -lt 2 ]; then return; fi
-    key=$1
-    echo "${key}:" >> manifest.yaml
-    shift
-    while [ "$#" -gt 0 ]; do
-        filename=$1
-        if [ ! -e ${FOLDER}/${filename}.md5sum ] || [ ! -e ${FOLDER}/${filename}.sha1sum ] || [ ! -e ${FOLDER}/${filename}.sha256sum ]; then
-            echo "ERROR: missing checksum file for ${filename}" 1>&2
-            error="y"
-            shift
-            continue
-        fi
-
-        echo "- id: ${filename}" >> manifest.yaml
-        echo "  size: $(stat -c"%s" ${FOLDER}/${filename})" >> manifest.yaml
-        echo "  md5sum: $(cat ${FOLDER}/${filename}.md5sum | cut -d\  -f1)" >> manifest.yaml
-        echo "  sha1sum: $(cat ${FOLDER}/${filename}.sha1sum | cut -d\  -f1)" >> manifest.yaml
-        echo "  sha256sum: $(cat ${FOLDER}/${filename}.sha256sum | cut -d\  -f1)" >> manifest.yaml
-        shift
-    done
-}
-
-output_files files ${FILES}
-output_files dev_files ${DEV_FILES}
-
-if [ -n "${error}" ]; then
-    echo "ERROR: exiting due to earlier errors" 1>&2
-    exit 1
-fi
diff --git a/azure-pipelines/templates/linux-build.yml b/azure-pipelines/templates/linux-build.yml
deleted file mode 100644
index 88095c9d32..0000000000
--- a/azure-pipelines/templates/linux-build.yml
+++ /dev/null
@@ -1,39 +0,0 @@
-parameters:
-  Image: ''
-  Tag: ''
-  ContainerCommand: ''
-
-steps:
-# 'envVars' in the 'Docker@1' task is a bit funky. When you want to use a
-# variable, you have to quote it. But the quote is also sent directly to
-# Docker and ends up in the variable, which you don't want. To work around
-# this, we set the correct variable first (which becomes an env-variable), and
-# pass that env-variable through to Docker. We cannot use the normal
-# 'variables' entry, as we are a template. So that results in this bit of
-# Bash code. Not because it is pretty, but it is the only way we found that
-# works.
-- bash: |
-    echo "##vso[task.setvariable variable=TARGET_BRANCH]${SYSTEM_PULLREQUEST_TARGETBRANCH}"
-    echo "Target branch is ${SYSTEM_PULLREQUEST_TARGETBRANCH}"
-  displayName: "Set target branch"
-  condition: and(succeeded(), eq(variables['Build.Reason'], 'PullRequest'))
-
-- task: Docker@1
-  ${{ if eq(parameters.Image, 'compile-farm') }}:
-    displayName: 'Build'
-  ${{ if eq(parameters.Image, 'compile-farm-ci') }}:
-    displayName: 'Build and test'
-    # Run the commit-checker only if it is a Pull Request
-    condition: and(succeeded(), or(not(contains(variables['Agent.JobName'], 'commit-checker')), eq(variables['Build.Reason'], 'PullRequest')))
-  inputs:
-    command: 'Run an image'
-    imageName: openttd/${{ parameters.Image }}:${{ parameters.Tag }}
-    volumes: |
-      $(Build.SourcesDirectory):$(Build.SourcesDirectory)
-      /usr/local/share/games/openttd:/usr/local/share/games/openttd
-    workingDirectory: '$(Build.SourcesDirectory)'
-    containerCommand: ${{ parameters.ContainerCommand }}
-    runInBackground: false
-    envVars: |
-      TARGET_BRANCH
-      CTEST_OUTPUT_ON_FAILURE=1
diff --git a/azure-pipelines/templates/linux-claim-bundles.yml b/azure-pipelines/templates/linux-claim-bundles.yml
deleted file mode 100644
index 162584f237..0000000000
--- a/azure-pipelines/templates/linux-claim-bundles.yml
+++ /dev/null
@@ -1,5 +0,0 @@
-steps:
-# Because we run the compile in a docker (under root), we are not owner
-# of the 'bundles' folder. Fix that by executing a chown on it.
-- bash: sudo chown -R $(id -u):$(id -g) build/bundles
-  displayName: 'Claim bundles folder back'
diff --git a/azure-pipelines/templates/osx-build.yml b/azure-pipelines/templates/osx-build.yml
deleted file mode 100644
index 2baabf9327..0000000000
--- a/azure-pipelines/templates/osx-build.yml
+++ /dev/null
@@ -1,9 +0,0 @@
-steps:
-- script: |
-    set -ex
-
-    mkdir build
-    cd build
-    cmake ..
-    make -j2
-  displayName: 'Build'
diff --git a/azure-pipelines/templates/osx-dependencies.yml b/azure-pipelines/templates/osx-dependencies.yml
deleted file mode 100644
index d918d12c52..0000000000
--- a/azure-pipelines/templates/osx-dependencies.yml
+++ /dev/null
@@ -1,5 +0,0 @@
-steps:
-- script: |
-    set -ex
-    HOMEBREW_NO_AUTO_UPDATE=1 brew install pkg-config lzo xz libpng freetype
-  displayName: 'Install dependencies'
diff --git a/azure-pipelines/templates/release-bundles.yml b/azure-pipelines/templates/release-bundles.yml
deleted file mode 100644
index f9f9fdcdd9..0000000000
--- a/azure-pipelines/templates/release-bundles.yml
+++ /dev/null
@@ -1,26 +0,0 @@
-parameters:
-  CalculateChecksums: true
-
-steps:
-- ${{ if eq(parameters.CalculateChecksums, true) }}:
-  - bash: |
-      set -ex
-      cd build/bundles
-
-      # CPack generates sha256, but with a slightly different name than
-      # our own convention. Also, because we rename files, the content
-      # might be out of date. To be safe, we remove it and replace it
-      # with our own version.
-      rm -f *.sha256
-
-      for i in $(ls); do
-        openssl dgst -r -md5 -hex $i > $i.md5sum
-        openssl dgst -r -sha1 -hex $i > $i.sha1sum
-        openssl dgst -r -sha256 -hex $i > $i.sha256sum
-      done
-    displayName: 'Calculate checksums'
-- task: PublishBuildArtifacts@1
-  displayName: 'Publish bundles'
-  inputs:
-    PathtoPublish: build/bundles/
-    ArtifactName: bundles
diff --git a/azure-pipelines/templates/release-fetch-source.yml b/azure-pipelines/templates/release-fetch-source.yml
deleted file mode 100644
index 8b43983067..0000000000
--- a/azure-pipelines/templates/release-fetch-source.yml
+++ /dev/null
@@ -1,20 +0,0 @@
-# Fetch the source tarball as prepared by an earlier job. In there is the
-# version predefined. This ensures we are all going to compile the same
-# source with the same version.
-
-steps:
-- checkout: none
-- task: DownloadBuildArtifacts@0
-  displayName: 'Download source'
-  inputs:
-    downloadType: specific
-    itemPattern: 'bundles/openttd-*-source.tar.xz'
-    downloadPath: '$(Build.ArtifactStagingDirectory)'
-- bash: tar --xz -xf ../a/bundles/openttd-*-source.tar.xz --strip-components=1
-  displayName: 'Extracting source'
-- bash: |
-    set -e
-    VERSION=$(cat .version)
-    echo "${VERSION}"
-    echo "##vso[build.updatebuildnumber]${VERSION}"
-  displayName: 'Change BuildNumber to version'
diff --git a/azure-pipelines/templates/release-manifest.yml b/azure-pipelines/templates/release-manifest.yml
deleted file mode 100644
index 9fe30717b4..0000000000
--- a/azure-pipelines/templates/release-manifest.yml
+++ /dev/null
@@ -1,20 +0,0 @@
-parameters:
-  IsStableRelease: false
-
-steps:
-- task: DownloadBuildArtifacts@0
-  displayName: 'Download all bundles'
-  inputs:
-    downloadType: specific
-    itemPattern: 'bundles/*'
-    downloadPath: '$(Build.ArtifactStagingDirectory)'
-- ${{ if eq(parameters.IsStableRelease, true) }}:
-  - script: |
-      touch .is_stable
-    displayName: 'Mark as stable release'
-- script: |
-    set -ex
-    ./azure-pipelines/manifest.sh ../a/bundles/
-    mkdir -p build/bundles
-    mv manifest.yaml build/bundles/
-  displayName: 'Create manifest.yaml'
diff --git a/azure-pipelines/templates/release-prepare-source.yml b/azure-pipelines/templates/release-prepare-source.yml
deleted file mode 100644
index a3f5a137b3..0000000000
--- a/azure-pipelines/templates/release-prepare-source.yml
+++ /dev/null
@@ -1,37 +0,0 @@
-# Set the revisions, and remove the VCS files.
-# This ensures everything else picks up on the predefined versions, and not
-# that because of some build process the version all of a sudden changes.
-
-steps:
-- script: |
-    set -ex
-
-    if [ -n "${SYSTEM_PULLREQUEST_PULLREQUESTNUMBER}" ]; then
-      # We are triggered from a GitHub Pull Request
-      git checkout -B pr${SYSTEM_PULLREQUEST_PULLREQUESTNUMBER}
-    elif [ "${BUILD_SOURCEBRANCHNAME}" = "merge" ] || [ "${BUILD_SOURCEBRANCHNAME}" = "head" ]; then
-      # We are manually triggered based on a GitHub Pull Request
-      PULLREQUESTNUMBER=$(echo ${BUILD_SOURCEBRANCH} | cut -d/ -f3)
-      git checkout -B pr${PULLREQUESTNUMBER}
-    else
-      git checkout -B ${BUILD_SOURCEBRANCHNAME}
-    fi
-
-    # Generate .ottdrev, which contains the version information
-    cmake -DGENERATE_OTTDREV=.ottdrev -P cmake/scripts/FindVersion.cmake
-
-    ./azure-pipelines/changelog.sh > .changelog
-    TZ='UTC' date +"%Y-%m-%d %H:%M UTC" > .release_date
-    cat .ottdrev | cut -f 1 -d$'\t' > .version
-    echo "Release Date: $(cat .release_date)"
-    echo "Revision: $(cat .ottdrev)"
-    echo "Version: $(cat .version)"
-  displayName: 'Create version files'
-- script: |
-    set -e
-    VERSION=$(cat .version)
-    echo "${VERSION}"
-    echo "##vso[build.updatebuildnumber]${VERSION}"
-  displayName: 'Change BuildNumber to version'
-- script: find . -iname .hg -or -iname .git -or -iname .svn | xargs rm -rf
-  displayName: 'Remove VCS information'
diff --git a/azure-pipelines/templates/release.yml b/azure-pipelines/templates/release.yml
deleted file mode 100644
index f6a00b7cf2..0000000000
--- a/azure-pipelines/templates/release.yml
+++ /dev/null
@@ -1,193 +0,0 @@
-parameters:
-  # If this is false, not all targets are triggered. For example:
-  # The NSIS installer for Windows and the creation of debs only work for
-  # releases. Not for any other type of binary. So they are skilled if this
-  # is set to false.
-  IsStableRelease: false
-
-jobs:
-- job: source
-  displayName: 'Source'
-  pool:
-    vmImage: 'ubuntu-16.04'
-
-  steps:
-  - template: release-prepare-source.yml
-  - script: |
-      set -ex
-
-      # Rename the folder to openttd-NNN-source
-      mkdir openttd-$(Build.BuildNumber)
-      find . -maxdepth 1 -not -name . -not -name openttd-$(Build.BuildNumber) -exec mv {} openttd-$(Build.BuildNumber)/ \;
-      # Copy back release_date, as it is needed for the template 'release-bundles'
-      cp openttd-$(Build.BuildNumber)/.release_date .release_date
-
-      mkdir -p build/bundles
-      tar --xz -cf build/bundles/openttd-$(Build.BuildNumber)-source.tar.xz openttd-$(Build.BuildNumber)
-      zip -9 -r -q build/bundles/openttd-$(Build.BuildNumber)-source.zip openttd-$(Build.BuildNumber)
-    displayName: 'Create bundle'
-  - template: release-bundles.yml
-
-- job: meta
-  displayName: 'Metadata'
-  pool:
-    vmImage: 'ubuntu-16.04'
-  dependsOn: source
-
-  steps:
-  - template: release-fetch-source.yml
-  - script: |
-      set -ex
-
-      mkdir -p build/bundles
-      cp .changelog build/bundles/changelog.txt
-      cp .release_date build/bundles/released.txt
-      cp README.md build/bundles/README.md
-    displayName: 'Copy meta files'
-  - template: release-bundles.yml
-    parameters:
-      CalculateChecksums: false
-
-- job: docs
-  displayName: 'Docs'
-  pool:
-    vmImage: 'ubuntu-16.04'
-  dependsOn: source
-
-  steps:
-    - template: release-fetch-source.yml
-    - template: linux-build.yml
-      parameters:
-        Image: compile-farm
-        ContainerCommand: '$(Build.BuildNumber)'
-        Tag: docs
-    - template: linux-claim-bundles.yml
-    - template: release-bundles.yml
-
-- job: windows
-  displayName: 'Windows'
-  pool:
-    vmImage: 'VS2017-Win2016'
-  dependsOn: source
-
-  strategy:
-    matrix:
-      Win32:
-        BundlePlatform: 'win32'
-        BuildArch: 'Win32'
-        VcpkgTargetTriplet: 'x86-windows-static'
-      Win64:
-        BundlePlatform: 'win64'
-        BuildArch: 'x64'
-        VcpkgTargetTriplet: 'x64-windows-static'
-
-  steps:
-  - template: release-fetch-source.yml
-  - template: windows-dependencies.yml
-  - template: windows-dependency-zip.yml
-  - template: windows-build.yml
-    parameters:
-      BuildArch: $(BuildArch)
-      VcpkgTargetTriplet: $(VcpkgTargetTriplet)
-      BuildConfiguration: 'RelWithDebInfo'
-      ${{ if eq(parameters.IsStableRelease, true) }}:
-        OptionUseNSIS: "ON"
-  - task: VSBuild@1
-    displayName: 'Create bundles'
-    inputs:
-      solution: build/PACKAGE.vcxproj
-      configuration: 'RelWithDebInfo'
-  - bash: |
-      set -ex
-
-      cp build/RelWithDebInfo/openttd.pdb build/bundles/openttd-$(Build.BuildNumber)-windows-$(BundlePlatform).pdb
-      xz -9 build/bundles/openttd-$(Build.BuildNumber)-windows-$(BundlePlatform).pdb
-    displayName: 'Copy PDB to bundles folder'
-  - template: release-bundles.yml
-
-- ${{ if eq(parameters.IsStableRelease, true) }}:
-  - job: linux_stable
-    displayName: 'Linux'
-    pool:
-      vmImage: 'ubuntu-16.04'
-    dependsOn: source
-
-    strategy:
-      matrix:
-        linux-ubuntu-xenial-i386-gcc:
-          Tag: 'linux-ubuntu-xenial-i386-gcc'
-        linux-ubuntu-xenial-amd64-gcc:
-          Tag: 'linux-ubuntu-xenial-amd64-gcc'
-        linux-ubuntu-bionic-i386-gcc:
-          Tag: 'linux-ubuntu-bionic-i386-gcc'
-        linux-ubuntu-bionic-amd64-gcc:
-          Tag: 'linux-ubuntu-bionic-amd64-gcc'
-        linux-ubuntu-focal-amd64-gcc:
-          Tag: 'linux-ubuntu-focal-amd64-gcc'
-        linux-debian-stretch-i386-gcc:
-          Tag: 'linux-debian-stretch-i386-gcc'
-        linux-debian-stretch-amd64-gcc:
-          Tag: 'linux-debian-stretch-amd64-gcc'
-        linux-debian-buster-i386-gcc:
-          Tag: 'linux-debian-buster-i386-gcc'
-        linux-debian-buster-amd64-gcc:
-          Tag: 'linux-debian-buster-amd64-gcc'
-
-    steps:
-    - template: release-fetch-source.yml
-    - template: linux-build.yml
-      parameters:
-        Image: compile-farm
-        ContainerCommand: '$(Build.BuildNumber)'
-        Tag: $(Tag)
-    - template: linux-claim-bundles.yml
-    - template: release-bundles.yml
-
-- job: macos
-  displayName: 'MacOS'
-  pool:
-    vmImage: 'macOS-10.14'
-  dependsOn: source
-
-  variables:
-    MACOSX_DEPLOYMENT_TARGET: 10.9
-
-  steps:
-  - template: release-fetch-source.yml
-  - template: osx-dependencies.yml
-  - template: osx-build.yml
-  - script: |
-      set -ex
-
-      cd build
-      make package
-    displayName: 'Create bundles'
-  - template: release-bundles.yml
-
-- job: manifest
-  displayName: 'Manifest'
-  pool:
-    vmImage: 'ubuntu-16.04'
-  dependsOn:
-  - source
-  - docs
-  - windows
-  - ${{ if eq(parameters.IsStableRelease, true) }}:
-    - linux_stable
-  - macos
-  # "Skipped" is not a status, and is not succeeded. So it seems to be
-  # considered failed. So we trigger if all the earlier jobs are done (which
-  # might be succeeded, failed, or skipped), and run this job. This is not
-  # optimal, but given the rules, it is the only way to get this to work (as
-  # some jobs might be skipped).
-  condition: succeededOrFailed()
-
-  steps:
-  - template: release-fetch-source.yml
-  - template: release-manifest.yml
-    ${{ if eq(parameters.IsStableRelease, true) }}:
-      parameters:
-        IsStableRelease: true
-  - template: release-bundles.yml
-    parameters:
-      CalculateChecksums: false
diff --git a/azure-pipelines/templates/windows-build.yml b/azure-pipelines/templates/windows-build.yml
deleted file mode 100644
index ae3b894144..0000000000
--- a/azure-pipelines/templates/windows-build.yml
+++ /dev/null
@@ -1,17 +0,0 @@
-parameters:
-  BuildArch: ''
-  VcpkgTargetTriplet: ''
-  BuildConfiguration: ''
-  OptionUseNSIS: 'OFF'
-
-steps:
-- task: CMake@1
-  displayName: 'Configure'
-  inputs:
-    cmakeArgs: '.. -G "Visual Studio 15 2017" -A ${{ parameters.BuildArch }} -DCMAKE_TOOLCHAIN_FILE="c:\vcpkg\scripts\buildsystems\vcpkg.cmake" -DVCPKG_TARGET_TRIPLET="${{ parameters.VcpkgTargetTriplet }}" -DOPTION_USE_NSIS="${{ parameters.OptionUseNSIS }}"'
-- task: VSBuild@1
-  displayName: 'Build'
-  inputs:
-    solution: build/openttd.vcxproj
-    configuration: ${{ parameters.BuildConfiguration }}
-    maximumCpuCount: true
diff --git a/azure-pipelines/templates/windows-dependencies.yml b/azure-pipelines/templates/windows-dependencies.yml
deleted file mode 100644
index 72368b9d71..0000000000
--- a/azure-pipelines/templates/windows-dependencies.yml
+++ /dev/null
@@ -1,14 +0,0 @@
-steps:
-- bash: |
-    set -ex
-
-    curl -L https://github.com/OpenTTD/CompileFarm/releases/download/latest/windows-dependencies.zip > windows-dependencies.zip
-    unzip windows-dependencies.zip
-    rm -f windows-dependencies.zip
-
-    mv windows-dependencies/installed /c/vcpkg/
-    rm -rf windows-dependencies
-  displayName: 'Install dependencies'
-  workingDirectory: $(Build.ArtifactStagingDirectory)
-- script: c:\vcpkg\vcpkg.exe integrate install
-  displayName: 'Integrate vcpkg'
diff --git a/azure-pipelines/templates/windows-dependency-zip.yml b/azure-pipelines/templates/windows-dependency-zip.yml
deleted file mode 100644
index e2ae06dbe7..0000000000
--- a/azure-pipelines/templates/windows-dependency-zip.yml
+++ /dev/null
@@ -1,5 +0,0 @@
-steps:
-- bash: |
-    set -ex
-    choco install zip
-  displayName: 'Install zip'