diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 1be9fde0e33..fb2e31ef8ea 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -8,24 +8,39 @@ on:
     branches:
       - '**'
 
+env:
+  PRIMARY_NODE_VERSION: 12
+
 jobs:
   primary_code_validation_and_tests:
     name: Primary code validation and tests
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2
-      - name: Use Node.js 12
+      - name: Use Node.js ${{ env.PRIMARY_NODE_VERSION }}
         uses: actions/setup-node@v1
         with:
-          node-version: 12
+          node-version: ${{ env.PRIMARY_NODE_VERSION }}
+
+      - name: Get yarn cache directory path
+        id: yarn-cache-dir-path
+        run: echo "::set-output name=dir::$(yarn cache dir)"
+
+      - uses: actions/cache@v1
+        id: yarn-cache # use this to check for `cache-hit` (`steps.yarn-cache.outputs.cache-hit != 'true'`)
+        with:
+          path: ${{ steps.yarn-cache-dir-path.outputs.dir }}
+          key: ${{ runner.os }}-yarn-${{ hashFiles('**/yarn.lock') }}
+          restore-keys: |
+            ${{ runner.os }}-yarn-
 
       # This also runs a build as part of the postinstall bootstrap
-      - name: install and build
+      - name: Install dependencies and build
         run: |
           yarn --ignore-engines --frozen-lockfile
           yarn check-clean-workspace-after-install
 
-      # Note that this command *also* typechecks tests/tools,
+      # Note that this command *also* type checks tests/tools,
       # whereas the build only checks src files
       - name: Typecheck all packages
         run: yarn typecheck
@@ -44,11 +59,6 @@ jobs:
         env:
           CI: true
 
-      - name: Run integrations tests
-        run: yarn integration-tests
-        env:
-          CI: true
-
       - name: Publish code coverage report
         uses: codecov/codecov-action@v1
         with:
@@ -57,6 +67,39 @@ jobs:
           flags: unittest
           name: codecov
 
+  integration_tests:
+    name: Run integration tests on primary Node.js version
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - name: Use Node.js ${{ env.PRIMARY_NODE_VERSION }}
+        uses: actions/setup-node@v1
+        with:
+          node-version: ${{ env.PRIMARY_NODE_VERSION }}
+
+      - name: Get yarn cache directory path
+        id: yarn-cache-dir-path
+        run: echo "::set-output name=dir::$(yarn cache dir)"
+
+      - uses: actions/cache@v1
+        id: yarn-cache # use this to check for `cache-hit` (`steps.yarn-cache.outputs.cache-hit != 'true'`)
+        with:
+          path: ${{ steps.yarn-cache-dir-path.outputs.dir }}
+          key: ${{ runner.os }}-yarn-${{ hashFiles('**/yarn.lock') }}
+          restore-keys: |
+            ${{ runner.os }}-yarn-
+
+      # This also runs a build as part of the postinstall bootstrap
+      - name: Install dependencies and build
+        run: |
+          yarn --ignore-engines --frozen-lockfile
+          yarn check-clean-workspace-after-install
+
+      - name: Run integrations tests
+        run: yarn integration-tests
+        env:
+          CI: true
+
   unit_tests_on_other_node_versions:
     name: Run unit tests on other Node.js versions
     runs-on: ubuntu-latest
@@ -70,8 +113,20 @@ jobs:
         with:
           node-version: ${{ matrix.node-version }}
 
+      - name: Get yarn cache directory path
+        id: yarn-cache-dir-path
+        run: echo "::set-output name=dir::$(yarn cache dir)"
+
+      - uses: actions/cache@v1
+        id: yarn-cache # use this to check for `cache-hit` (`steps.yarn-cache.outputs.cache-hit != 'true'`)
+        with:
+          path: ${{ steps.yarn-cache-dir-path.outputs.dir }}
+          key: ${{ runner.os }}-yarn-${{ hashFiles('**/yarn.lock') }}
+          restore-keys: |
+            ${{ runner.os }}-yarn-
+
       # This also runs a build as part of the postinstall bootstrap
-      - name: install and build
+      - name: Install dependencies and build
         run: |
           yarn --ignore-engines --frozen-lockfile
           yarn check-clean-workspace-after-install
@@ -88,19 +143,31 @@ jobs:
     if: github.event_name == 'push' && github.ref == 'refs/head/master'
     steps:
       - uses: actions/checkout@v1
-      - name: Use Node.js 12
+      - name: Use Node.js ${{ env.PRIMARY_NODE_VERSION }}
         uses: actions/setup-node@v1
         with:
-          node-version: 12
+          node-version: ${{ env.PRIMARY_NODE_VERSION }}
           registry-url: https://registry.npmjs.org/
 
+      - name: Get yarn cache directory path
+        id: yarn-cache-dir-path
+        run: echo "::set-output name=dir::$(yarn cache dir)"
+
+      - uses: actions/cache@v1
+        id: yarn-cache # use this to check for `cache-hit` (`steps.yarn-cache.outputs.cache-hit != 'true'`)
+        with:
+          path: ${{ steps.yarn-cache-dir-path.outputs.dir }}
+          key: ${{ runner.os }}-yarn-${{ hashFiles('**/yarn.lock') }}
+          restore-keys: |
+            ${{ runner.os }}-yarn-
+
       # This also runs a build as part of the postinstall bootstrap
-      - name: install and build
+      - name: Install dependencies and build
         run: |
           yarn --ignore-engines --frozen-lockfile
           yarn check-clean-workspace-after-install
 
-#      - name: Publish all packages to npm
-#        run: npx lerna publish --canary --exact --force-publish --yes
-#        env:
-#          NODE_AUTH_TOKEN: ${{ secrets.npm_token }}
+      - name: Publish all packages to npm
+        run: npx lerna publish --canary --exact --force-publish --yes
+        env:
+          NODE_AUTH_TOKEN: ${{ secrets.NPM_TOKEN }}
diff --git a/azure-pipelines.yml b/azure-pipelines.yml
deleted file mode 100644
index 172a64beab7..00000000000
--- a/azure-pipelines.yml
+++ /dev/null
@@ -1,104 +0,0 @@
-trigger:
-  - master
-
-jobs:
-  - job: primary_code_validation_and_tests
-    displayName: Primary code validation and tests
-    pool:
-      vmImage: 'Ubuntu-18.04'
-    steps:
-      - task: NodeTool@0
-        inputs:
-          versionSpec: 12
-        displayName: 'Install Node.js 12'
-
-      - script: |
-          # This also runs a build as part of the postinstall
-          # bootstrap
-          yarn --ignore-engines --frozen-lockfile
-          yarn check-clean-workspace-after-install
-
-      - script: |
-          # Note that this command *also* typechecks tests/tools,
-          # whereas the build only checks src files
-          yarn typecheck
-        displayName: 'Typecheck all packages'
-
-      - script: |
-          yarn format-check
-        displayName: 'Check code formatting'
-
-      - script: |
-          yarn lint
-        displayName: 'Run linting'
-
-      - script: |
-          yarn check:spelling
-        displayName: 'Validate documentation spelling'
-
-      - script: |
-          yarn test
-        displayName: 'Run unit tests'
-
-      - script: |
-          yarn integration-tests
-        displayName: 'Run integrations tests'
-
-      - bash: bash <(curl -s https://codecov.io/bash) -P "$SYSTEM_PULLREQUEST_PULLREQUESTNUMBER"
-        env:
-          CODECOV_TOKEN: $(CODECOV_TOKEN)
-        displayName: 'Publish code coverage report'
-
-  - job: unit_tests_on_other_node_versions
-    displayName: Run unit tests on other Node.js versions
-    pool:
-      vmImage: 'Ubuntu-18.04'
-    strategy:
-      maxParallel: 3
-      matrix:
-        node_10_x:
-          node_version: 10.x
-        node_8_x:
-          node_version: 8.x
-    steps:
-      - task: NodeTool@0
-        inputs:
-          versionSpec: $(node_version)
-        displayName: 'Install Node.js $(node_version)'
-
-      - script: |
-          # This also runs a build as part of the postinstall
-          # bootstrap
-          yarn --ignore-engines --frozen-lockfile
-          yarn check-clean-workspace-after-install
-
-      - script: |
-          yarn test
-        displayName: 'Run unit tests'
-
-  - job: publish_canary_version
-    displayName: Publish the latest code as a canary version
-    dependsOn:
-      - primary_code_validation_and_tests
-      - unit_tests_on_other_node_versions
-    condition: and(succeeded(), eq(variables['Build.SourceBranchName'], 'master'), ne(variables['Build.Reason'], 'PullRequest'))
-    pool:
-      vmImage: 'Ubuntu-18.04'
-    steps:
-      - task: NodeTool@0
-        inputs:
-          versionSpec: 12
-        displayName: 'Install Node.js 12'
-
-      - script: |
-          # This also runs a build as part of the postinstall
-          # bootstrap
-          yarn --ignore-engines --frozen-lockfile
-          yarn check-clean-workspace-after-install
-
-      - script: |
-          npm config set //registry.npmjs.org/:_authToken=$(NPM_TOKEN)
-
-      - script: |
-          npx lerna publish --canary --exact --force-publish --yes
-        displayName: 'Publish all packages to npm'