diff --git a/.github/workflows/build.yaml b/.github/workflows/build.yaml
index 9dd4794954..cc1ccd8666 100644
--- a/.github/workflows/build.yaml
+++ b/.github/workflows/build.yaml
@@ -32,6 +32,11 @@ on:
       - main
       - features/*
       - release/*
+  merge_group:
+    branches:
+      - main
+      - features/*
+      - release/*
 
 permissions:
   id-token: write # Required for requesting the JWT
diff --git a/.github/workflows/devcontainer-feature-test.yaml b/.github/workflows/devcontainer-feature-test.yaml
index eb095e41e2..e65419b4fe 100644
--- a/.github/workflows/devcontainer-feature-test.yaml
+++ b/.github/workflows/devcontainer-feature-test.yaml
@@ -13,10 +13,31 @@ on:
       - ".github/workflows/devcontainer-feature-test.yaml"
     branches:
       - main
+  merge_group:
   workflow_call:
 
 jobs:
+  changes:
+    if: github.event_name == 'merge_group'
+    runs-on: ubuntu-latest
+    outputs:
+      should_run: ${{ steps.changed-files.outputs.any_changed }}
+    steps:
+      - uses: actions/checkout@93cb6efe18208431cddfb8368fd83d5badbf9bfd # v5.0.1
+
+      - name: Get changed files
+        id: changed-files
+        uses: tj-actions/changed-files@24d32ffd492484c1d75e0c0b894501ddb9d30d62 # v47
+        with:
+          files: |
+            deploy/devcontainer-feature/**
+            .github/workflows/devcontainer-feature-test.yaml
+
   test:
+    needs: changes
+    if: >-
+      github.event_name != 'merge_group' ||
+      needs.changes.outputs.should_run == 'true'
     runs-on: ubuntu-latest
     strategy:
       matrix:
@@ -34,6 +55,10 @@ jobs:
         working-directory: ./deploy/devcontainer-feature
 
   test-scenarios:
+    needs: changes
+    if: >-
+      github.event_name != 'merge_group' ||
+      needs.changes.outputs.should_run == 'true'
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6.0.0
diff --git a/.github/workflows/functional-test-cloud.yaml b/.github/workflows/functional-test-cloud.yaml
index 8e958d5f45..2364e6e2d1 100644
--- a/.github/workflows/functional-test-cloud.yaml
+++ b/.github/workflows/functional-test-cloud.yaml
@@ -43,6 +43,7 @@ on:
     workflows: ["Approve Functional Tests"]
     types:
       - completed
+  merge_group:
 
 env:
   GOPROXY: https://proxy.golang.org
@@ -95,7 +96,8 @@ jobs:
     if: github.event_name == 'repository_dispatch' ||
       (github.event_name == 'schedule' && github.repository == 'radius-project/radius') ||
       (github.event_name == 'workflow_run' && github.event.workflow_run.conclusion == 'success') ||
-      github.event_name == 'workflow_dispatch'
+      github.event_name == 'workflow_dispatch' ||
+      github.event_name == 'merge_group'
     env:
       DE_IMAGE: "ghcr.io/radius-project/deployment-engine"
       DE_TAG: "latest"
@@ -163,6 +165,12 @@ jobs:
           echo "CHECKOUT_REPO=${{ github.repository }}" >> $GITHUB_ENV
           echo "CHECKOUT_REF=refs/heads/${{ github.event.inputs.branch }}" >> $GITHUB_ENV
 
+      - name: Set up checkout target (merge_group)
+        if: github.event_name == 'merge_group'
+        run: |
+          echo "CHECKOUT_REPO=${{ github.repository }}" >> $GITHUB_ENV
+          echo "CHECKOUT_REF=${{ github.ref }}" >> $GITHUB_ENV
+
       - name: Check out code
         uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6.0.0
         with:
@@ -569,7 +577,8 @@ jobs:
     if: github.event_name == 'repository_dispatch' ||
       (github.event_name == 'schedule' && github.repository == 'radius-project/radius') ||
       (github.event_name == 'workflow_run' && github.event.workflow_run.conclusion == 'success') ||
-      github.event_name == 'workflow_dispatch'
+      github.event_name == 'workflow_dispatch' ||
+      github.event_name == 'merge_group'
     strategy:
       fail-fast: true
       matrix:
diff --git a/.github/workflows/functional-test-noncloud.yaml b/.github/workflows/functional-test-noncloud.yaml
index 008fa6d993..03194a01f1 100644
--- a/.github/workflows/functional-test-noncloud.yaml
+++ b/.github/workflows/functional-test-noncloud.yaml
@@ -43,6 +43,11 @@ on:
       - main
       - features/*
       - release/*
+  merge_group:
+    branches:
+      - main
+      - features/*
+      - release/*
 
 env:
   # Helm version
@@ -194,12 +199,16 @@ jobs:
           echo "CHECKOUT_REPO=${{ github.repository }}" >> $GITHUB_ENV
           echo "CHECKOUT_REF=refs/heads/main" >> $GITHUB_ENV
 
-      - name: Set up checkout target (pull_request)
-        if: github.event_name == 'pull_request'
+      - name: Set up checkout target (pull_request or merge_group)
+        if: github.event_name == 'pull_request' || github.event_name == 'merge_group'
         run: |
           echo "CHECKOUT_REPO=${{ github.repository }}" >> $GITHUB_ENV
           echo "CHECKOUT_REF=${{ github.ref }}" >> $GITHUB_ENV
-          echo "PR_NUMBER=${{ github.event.pull_request.number }}" >> $GITHUB_ENV
+          if [[ "${EVENT_NAME}" == "pull_request" ]]; then
+            echo "PR_NUMBER=${{ github.event.pull_request.number }}" >> $GITHUB_ENV
+          fi
+        env:
+          EVENT_NAME: ${{ github.event_name }}
 
       - name: Set up checkout target (workflow_dispatch)
         if: github.event_name == 'workflow_dispatch'
diff --git a/.github/workflows/lint.yaml b/.github/workflows/lint.yaml
index 86fe257d6a..b174e54616 100644
--- a/.github/workflows/lint.yaml
+++ b/.github/workflows/lint.yaml
@@ -24,6 +24,10 @@ on:
     branches:
       - main
       - release/*
+  merge_group:
+    branches:
+      - main
+      - release/*
 
 concurrency:
   # Cancel the previously triggered build for only PR build.
diff --git a/.github/workflows/nightly-rad-CLI-tests.yaml b/.github/workflows/nightly-rad-CLI-tests.yaml
index f61d3c30b1..10eb42c847 100644
--- a/.github/workflows/nightly-rad-CLI-tests.yaml
+++ b/.github/workflows/nightly-rad-CLI-tests.yaml
@@ -11,11 +11,36 @@ on:
     types: [opened, synchronize, reopened]
     paths:
       - .github/workflows/nightly-rad-CLI-tests.yaml
+  merge_group:
 
 jobs:
+  changes:
+    runs-on: ubuntu-latest
+    if: >-
+      github.repository == 'radius-project/radius' &&
+      github.event_name == 'merge_group'
+    outputs:
+      should_run: ${{ steps.changed-files.outputs.any_changed }}
+    steps:
+      - uses: actions/checkout@93cb6efe18208431cddfb8368fd83d5badbf9bfd # v5.0.1
+      - name: Get changed files
+        id: changed-files
+        uses: tj-actions/changed-files@24d32ffd492484c1d75e0c0b894501ddb9d30d62 # v47
+        with:
+          files: |
+            .github/workflows/nightly-rad-CLI-tests.yaml
+
   download:
+    needs: changes
     runs-on: ubuntu-latest
-    if: github.repository == 'radius-project/radius'
+    if: >-
+      github.repository == 'radius-project/radius' &&
+      (
+        github.event_name == 'schedule' ||
+        github.event_name == 'workflow_dispatch' ||
+        github.event_name == 'pull_request' ||
+        (github.event_name == 'merge_group' && needs.changes.outputs.should_run == 'true')
+      )
     strategy:
       matrix:
         include:
diff --git a/.github/workflows/publish-docs.yaml b/.github/workflows/publish-docs.yaml
index a9109f9e2e..bc56eb1611 100644
--- a/.github/workflows/publish-docs.yaml
+++ b/.github/workflows/publish-docs.yaml
@@ -21,6 +21,10 @@ on:
   pull_request:
     branches:
       - main
+  merge_group:
+    branches:
+      - main
+
 jobs:
   changes:
     name: Changes
diff --git a/.github/workflows/require-pr-checklist.yaml b/.github/workflows/require-pr-checklist.yaml
index a813eaa353..c2f8692685 100644
--- a/.github/workflows/require-pr-checklist.yaml
+++ b/.github/workflows/require-pr-checklist.yaml
@@ -5,12 +5,16 @@ name: Require PR Checklist
 on:
   pull_request:
     types: [opened, edited, synchronize]
+  merge_group:
 
 jobs:
   checklist-completed:
-    if: github.event.pull_request.user.login != 'dependabot[bot]' # Skip for Dependabot PRs
+    if: |
+      github.event_name == 'merge_group' ||
+      github.event.pull_request.user.login != 'dependabot[bot]'
     runs-on: ubuntu-latest
     steps:
       - uses: mheap/require-checklist-action@46d2ca1a0f90144bd081fd13a80b1dc581759365 # v2.5.0
+        if: github.event_name != 'merge_group'
         with:
           requireChecklist: true # If this is true and there are no checklists detected or not filled out, the action will fail
diff --git a/.github/workflows/validate-bicep.yaml b/.github/workflows/validate-bicep.yaml
index 10bcb1dc5a..bb444f88d5 100644
--- a/.github/workflows/validate-bicep.yaml
+++ b/.github/workflows/validate-bicep.yaml
@@ -25,6 +25,10 @@ on:
     branches:
       - main
       - release/*
+  merge_group:
+    branches:
+      - main
+      - release/*
 
 permissions:
   id-token: write # Required for requesting the JWT
diff --git a/.github/workflows/validate-installers.yaml b/.github/workflows/validate-installers.yaml
index d5a05c6262..4eea5b014c 100644
--- a/.github/workflows/validate-installers.yaml
+++ b/.github/workflows/validate-installers.yaml
@@ -17,10 +17,12 @@
 # yaml-language-server: $schema=https://www.schemastore.org/github-workflow.json
 ---
 name: Validate Radius Installers
+
 on:
   pull_request:
     paths:
       - "deploy/install.ps1"
+  merge_group:
 
 concurrency:
   # Cancel the previously triggered build for only PR build.
@@ -34,6 +36,17 @@ jobs:
     steps:
       - uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6.0.0
 
+      - name: Get changed files
+        id: changed-files
+        if: github.event_name == 'merge_group'
+        uses: tj-actions/changed-files@24d32ffd492484c1d75e0c0b894501ddb9d30d62 # v47
+        with:
+          files: |
+            deploy/install.ps1
+
       - name: Run installer test script
+        if: >-
+          github.event_name != 'merge_group' ||
+          steps.changed-files.outputs.any_changed == 'true'
         shell: powershell
-        run: "deploy/test-pwsh-install.ps1"
+        run: deploy/test-pwsh-install.ps1