diff --git a/.chronus/changes/improve-pr-speed-2024-3-2-0-21-51.md b/.chronus/changes/improve-pr-speed-2024-3-2-0-21-51.md
new file mode 100644
index 0000000000..9457c164c5
--- /dev/null
+++ b/.chronus/changes/improve-pr-speed-2024-3-2-0-21-51.md
@@ -0,0 +1,9 @@
+---
+# Change versionKind to one of: internal, fix, dependencies, feature, deprecation, breaking
+changeKind: fix
+packages:
+  - "@azure-tools/typespec-autorest-canonical"
+  - "@azure-tools/typespec-autorest"
+---
+
+Small performance improvements
diff --git a/.chronus/changes/improve-pr-speed-2024-3-2-3-18-19.md b/.chronus/changes/improve-pr-speed-2024-3-2-3-18-19.md
new file mode 100644
index 0000000000..25d40e01e2
--- /dev/null
+++ b/.chronus/changes/improve-pr-speed-2024-3-2-3-18-19.md
@@ -0,0 +1,9 @@
+---
+# Change versionKind to one of: internal, fix, dependencies, feature, deprecation, breaking
+changeKind: internal
+packages:
+  - "@azure-tools/typespec-azure-core"
+  - "@azure-tools/typespec-azure-portal-core"
+  - "@azure-tools/typespec-azure-resource-manager"
+  - "@azure-tools/typespec-client-generator-core"
+---
diff --git a/.github/actions/setup/action.yml b/.github/actions/setup/action.yml
new file mode 100644
index 0000000000..8b9571678f
--- /dev/null
+++ b/.github/actions/setup/action.yml
@@ -0,0 +1,19 @@
+name: Install dependencies
+description: Setup for node. pnpm and dependencies
+inputs:
+  node-version:
+    required: false
+    description: Node version for setup-node
+    default: 20.x
+
+runs:
+  using: composite
+
+  steps:
+    - name: Install pnpm
+      uses: pnpm/action-setup@v2
+
+    - name: Set node version to ${{ inputs.node-version }}
+      uses: actions/setup-node@v4
+      with:
+        node-version: ${{ inputs.node-version }}
diff --git a/.github/workflows/consistency.yml b/.github/workflows/consistency.yml
index 804efe5b91..5f4a441d3c 100644
--- a/.github/workflows/consistency.yml
+++ b/.github/workflows/consistency.yml
@@ -7,6 +7,7 @@ on:
     branches: ["main"]
   pull_request:
     branches: ["main"]
+  merge_group:
   workflow_dispatch: {}
 
 # A workflow run is made up of one or more jobs that can run sequentially or in parallel
@@ -20,16 +21,11 @@ jobs:
           fetch-depth: 0 ## Needed for Changesets to find `main` branch
           submodules: recursive
 
+      - uses: ./.github/actions/setup
+
       - run: git pull --force --no-tags origin main:main
         name: Get main ref
 
-      - name: Use Node.js 20.x
-        uses: actions/setup-node@v3
-        with:
-          node-version: 20.x
-
-      - uses: pnpm/action-setup@v2
-
       - run: pnpm install
         name: Install dependencies
 
@@ -39,3 +35,78 @@ jobs:
 
       - run: node eng/scripts/validate-core-submodule.js
         name: Check that core submodule is merged to core repo
+
+  # Validate spell check
+  spellcheck:
+    name: Spell check
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          submodules: recursive
+      - uses: ./.github/actions/setup
+
+      - run: pnpm install
+        name: Install dependencies
+
+      - run: pnpm run cspell
+        name: Spell check
+
+  # Validate formatting
+  format:
+    name: Format
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          submodules: recursive
+      - uses: ./.github/actions/setup
+
+      - run: pnpm install
+        name: Install dependencies
+
+      - run: pnpm --filter="@typespec/prettier-plugin-typespec..." run  build
+        name: Build prettier plugin
+
+      - run: pnpm run format:check
+        name: Check formatting
+
+  # Lint
+  lint:
+    name: Lint
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          submodules: recursive
+
+      - uses: ./.github/actions/setup
+
+      - run: pnpm install
+        name: Install dependencies
+
+      - run: pnpm --filter="@typespec/eslint-plugin..." run  build
+        name: Build prettier plugin
+
+      - run: pnpm run lint
+        name: Lint
+
+  # Verify Arm OpenAPI common types are up to date
+  common-types-up-to-date:
+    name: Common types up to date
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          submodules: recursive
+
+      - uses: ./.github/actions/setup
+
+      - run: pnpm install
+        name: Install dependencies
+
+      - run: node eng/scripts/download-common-types.js v3
+        name: Swagger - Fetch common-types v3
+
+      - run: node eng/scripts/check-for-changed-files.js
+        name: Check Git Status For Changed Files
diff --git a/eng/pipelines/ci.yml b/eng/pipelines/ci.yml
index ac7099a670..d8cf2f49c4 100644
--- a/eng/pipelines/ci.yml
+++ b/eng/pipelines/ci.yml
@@ -41,7 +41,7 @@ extends:
 
               - template: /eng/pipelines/templates/build.yml@self
 
-              - script: pnpm run test-official
+              - script: pnpm run test:ci
                 displayName: Test
 
               - template: /eng/pipelines/templates/upload-coverage.yml@self
diff --git a/eng/pipelines/jobs/build-and-test.yml b/eng/pipelines/jobs/build-and-test.yml
index d5094a280b..a9bdd9c435 100644
--- a/eng/pipelines/jobs/build-and-test.yml
+++ b/eng/pipelines/jobs/build-and-test.yml
@@ -14,58 +14,22 @@ steps:
     parameters:
       nodeVersion: ${{ parameters.nodeVersion }}
 
-  # Only running UI test on linux
-  - ${{ if ne(variables['Agent.OS'], 'Windows_NT') }}:
-      - template: /eng/pipelines/templates/install-browsers.yml
-
-  - script: pnpm run check-version-mismatch
-    displayName: Check version mismatch
-
   - template: /eng/pipelines/templates/build.yml
 
-  - script: pnpm run test-official
+  - script: pnpm run test:ci
     displayName: Test
 
   - template: /eng/pipelines/templates/upload-coverage.yml
 
-  - script: pnpm run check-format
-    displayName: Check Formatting
-    condition: ne(variables['Agent.OS'], 'Windows_NT')
-
-  - script: pnpm run lint
-    displayName: Lint
-    condition: ne(variables['Agent.OS'], 'Windows_NT')
-
-  - script: node eng/scripts/download-common-types.js v3
-    displayName: Swagger - Fetch common-types v3
-    condition: ne(variables['Agent.OS'], 'Windows_NT')
-
   - script: node eng/scripts/check-for-changed-files.js
     displayName: Check Git Status For Changed Files
 
-  - script: pnpm run cspell
-    displayName: Spell check
-    condition: ne(variables['Agent.OS'], 'Windows_NT')
-
   # Unlink node_modules folders to significantly improve performance of subsequent tasks
   # which need to walk the directory tree (and are hardcoded to follow symlinks).
   - script: pnpm run purge
     displayName: "Purge dependencies"
     condition: always()
 
-  # It's important for performance to pass "packages" as "searchFolder" to avoid looking under root "node_modules".
-  # PublishTestResults.searchFolder only supports absolute paths, not relative.
-  - task: PublishTestResults@2
-    inputs:
-      testResultsFormat: "JUnit"
-      searchFolder: "$(System.DefaultWorkingDirectory)/core/packages"
-      testResultsFiles: "*/test-results.xml"
-      mergeTestResults: true
-      failTaskOnFailedTests: false
-      testRunTitle: "[CORE] Test os: ${{ parameters.osName }}, node: ${{ parameters.nodeVersion }}"
-    displayName: Publish core test results
-    condition: always()
-
   - task: PublishTestResults@2
     inputs:
       testResultsFormat: "JUnit"
@@ -73,14 +37,6 @@ steps:
       testResultsFiles: "*/test-results.xml"
       mergeTestResults: true
       failTaskOnFailedTests: false
-      testRunTitle: "[NON-CORE] Test os: ${{ parameters.osName }}, node: ${{ parameters.nodeVersion }}"
-    displayName: Publish non-core test results
+      testRunTitle: "Test os: ${{ parameters.osName }}, node: ${{ parameters.nodeVersion }}"
+    displayName: Publish test results
     condition: always()
-
-  # Disable for now as e2e test are disabled - REMOVE BEFORE MERGING
-  # - task: 1ES.PublishPipelineArtifact@1
-  #   displayName: Publish UI tests artifacts
-  #   condition: ne(variables['Agent.OS'], 'Windows_NT')
-  #   inputs:
-  #     path: : ./core/packages/playground-website/test-results
-  #     artifact: "uitestresults-${{ parameters.osName }}-node-${{ parameters.nodeVersion }}"
diff --git a/eng/pipelines/jobs/e2e-job.yml b/eng/pipelines/jobs/e2e-job.yml
index 27b123c637..86a2592323 100644
--- a/eng/pipelines/jobs/e2e-job.yml
+++ b/eng/pipelines/jobs/e2e-job.yml
@@ -1,5 +1,6 @@
 jobs:
   - job: e2e
+    displayName: "E2E Tests"
 
     pool:
       name: $(LINUXPOOL)
@@ -15,10 +16,12 @@ jobs:
         submodules: true
 
       - template: /eng/pipelines/templates/install.yml
+      - template: /eng/pipelines/templates/install-browsers.yml
 
       - template: /eng/pipelines/templates/build.yml
-        parameters:
-          nodeVersion: "20.x"
 
       - script: node packages/e2e-tests/e2e-tests.mjs
-        displayName: Run E2E tests
+        displayName: Cadl Ranch e2e tests
+
+      - script: pnpm test:e2e
+        displayName: UI Tests
diff --git a/eng/pipelines/jobs/policies.yml b/eng/pipelines/jobs/policies.yml
new file mode 100644
index 0000000000..989239396e
--- /dev/null
+++ b/eng/pipelines/jobs/policies.yml
@@ -0,0 +1,29 @@
+parameters:
+
+steps:
+  - checkout: self
+    submodules: true
+
+  - template: /eng/pipelines/templates/install.yml
+
+  - script: pnpm run check-version-mismatch
+    displayName: Check version mismatch
+
+  - script: pnpm run check-format
+    displayName: Check Formatting
+    condition: ne(variables['Agent.OS'], 'Windows_NT')
+
+  - script: pnpm run lint
+    displayName: Lint
+    condition: ne(variables['Agent.OS'], 'Windows_NT')
+
+  - script: node eng/scripts/download-common-types.js v3
+    displayName: Swagger - Fetch common-types v3
+    condition: ne(variables['Agent.OS'], 'Windows_NT')
+
+  - script: node eng/scripts/check-for-changed-files.js
+    displayName: Check Git Status For Changed Files
+
+  - script: pnpm run cspell
+    displayName: Spell check
+    condition: ne(variables['Agent.OS'], 'Windows_NT')
diff --git a/eng/pipelines/jobs/publish-artifacts.yml b/eng/pipelines/jobs/publish-artifacts.yml
index f09efcbe06..2cf31da5d5 100644
--- a/eng/pipelines/jobs/publish-artifacts.yml
+++ b/eng/pipelines/jobs/publish-artifacts.yml
@@ -1,6 +1,7 @@
 jobs:
   - job: publish_artifacts
     displayName: Publish Artifacts
+    condition: eq(variables['Build.Reason'], 'PullRequest') # Don't publish artifacts for merge queue builds
 
     variables:
       TYPESPEC_VS_CI_BUILD: true # Enable official Visual Studio extension build
diff --git a/eng/pipelines/pr.yml b/eng/pipelines/pr.yml
index 6eb3b7bb5a..6ecd8dd7c6 100644
--- a/eng/pipelines/pr.yml
+++ b/eng/pipelines/pr.yml
@@ -1,4 +1,7 @@
-trigger: none
+trigger:
+  branches: # Used to trigger for GitHub merge queues
+    include:
+      - gh-readonly-queue/*
 pr:
   - main
   - release/*
@@ -9,9 +12,9 @@ extends:
     variables:
       - template: /eng/pipelines/templates/variables/globals.yml@self
     stages:
-      - stage: Build_And_Test
+      - stage: CI
         jobs:
-          - job: Build_And_Test_Linux
+          - job: Linux
             variables:
               TYPESPEC_VS_CI_BUILD: true # Enable official Visual Studio extension build
               TYPESPEC_SKIP_DOCUSAURUS_BUILD: true # Disable docusaurus build
@@ -35,11 +38,7 @@ extends:
                   dotnetVersion: 8.0.x
                   osName: linux
 
-              - template: /eng/pipelines/templates/swagger-checks.yml@self
-                parameters:
-                  nodeVersion: $(nodeVersion)
-
-          - job: Build_And_Test_Windows
+          - job: Windows
             variables:
               TYPESPEC_VS_CI_BUILD: true # Enable official Visual Studio extension build
               TYPESPEC_SKIP_DOCUSAURUS_BUILD: true # Disable docusaurus build
@@ -63,9 +62,16 @@ extends:
                   dotnetVersion: 8.0.x
                   osName: windows
 
+          - template: /eng/pipelines/jobs/e2e-job.yml@self
+          - job: AutorestChecks
+            displayName: "Autorest Checks"
+            pool:
+              name: $(LINUXPOOL)
+              image: $(LINUXVMIMAGE)
+              os: linux
+
+            steps:
               - template: /eng/pipelines/templates/swagger-checks.yml@self
                 parameters:
-                  nodeVersion: $(nodeVersion)
-
-          - template: /eng/pipelines/jobs/e2e-job.yml@self
+                  nodeVersion: 20.x
           - template: /eng/pipelines/jobs/publish-artifacts.yml@self
diff --git a/eng/pipelines/templates/install.yml b/eng/pipelines/templates/install.yml
index d24ab9fa1c..0717d63a82 100644
--- a/eng/pipelines/templates/install.yml
+++ b/eng/pipelines/templates/install.yml
@@ -3,7 +3,9 @@ parameters:
   - name: nodeVersion
     type: string
     default: 20.x
-
+  - name: pnpmStorePath
+    type: string
+    default: $(Pipeline.Workspace)/.pnpm-store
 steps:
   - task: UseDotNet@2
     inputs:
@@ -15,8 +17,17 @@ steps:
     displayName: Install Node.js
     retryCountOnTaskFailure: 3
 
-  - script: npm install -g pnpm@8.13.1
+  - task: Cache@2
+    inputs:
+      key: 'pnpm | "$(Agent.OS)" | pnpm-lock.yaml'
+      path: ${{ parameters.pnpmStorePath }}
+    displayName: Cache pnpm store
+  - script: |
+      corepack enable
+      corepack prepare pnpm@latest-8 --activate
     displayName: Install pnpm
+  - script: pnpm config set store-dir ${{ parameters.pnpmStorePath }}
+    displayName: Setup pnpm cache dir
 
   - script: |
       echo "Node:"
diff --git a/eng/pipelines/templates/swagger-checks.yml b/eng/pipelines/templates/swagger-checks.yml
index 5a96d6d3f5..c8a8addca5 100644
--- a/eng/pipelines/templates/swagger-checks.yml
+++ b/eng/pipelines/templates/swagger-checks.yml
@@ -3,21 +3,21 @@ parameters:
     type: string
 
 steps:
-  - bash: |
-      NodeVer=$(node -v)
-      echo "##vso[task.setvariable variable=nodeBase]${NodeVer}"
-    displayName: Swagger - Set execution variable
-  - script: |
-      npm install -g autorest && cd eng/scripts && npm install
-      echo "nodeBase:" $NODEBASE
+  - checkout: self
+    submodules: true
+
+  - template: /eng/pipelines/templates/install.yml
+    parameters:
+      nodeVersion: ${{ parameters.nodeVersion }}
+
+  - script: pnpm --filter "@typespec/internal-build-utils..." run build
+    displayName: Build internal tools
+
+  - script: npm install -g autorest && cd eng/scripts && npm install
     displayName: Swagger - Install Dependencies
-    condition: and(succeeded(), contains(variables.nodeBase, 'v18'), ne(variables['Agent.OS'], 'Windows_NT'))
   - script: node eng/scripts/lint-resourcemanager.js "packages/samples/test/output/azure/resource-manager"
     displayName: Swagger - Resource Manager Linting
-    condition: and(succeeded(), contains(variables.nodeBase, 'v18'), ne(variables['Agent.OS'], 'Windows_NT'))
   - script: node eng/scripts/gen-sdk.js python "packages/samples/test/output/azure/resource-manager"
     displayName: Swagger - Generate Python SDK
-    condition: and(succeeded(), contains(variables.nodeBase, 'v18'), ne(variables['Agent.OS'], 'Windows_NT'))
   - script: node eng/scripts/gen-sdk.js javascript "packages/samples/test/output/azure/resource-manager"
     displayName: Swagger - Generate JavaScript SDK
-    condition: and(succeeded(), contains(variables.nodeBase, 'v18'), ne(variables['Agent.OS'], 'Windows_NT'))
diff --git a/eng/pipelines/templates/upload-coverage.yml b/eng/pipelines/templates/upload-coverage.yml
index 198bb63725..f909f1435c 100644
--- a/eng/pipelines/templates/upload-coverage.yml
+++ b/eng/pipelines/templates/upload-coverage.yml
@@ -1,9 +1,5 @@
 steps:
-  - script: pnpm run merge-coverage
-    displayName: Merge code coverage
-
-  - task: PublishCodeCoverageResults@1
+  - task: PublishCodeCoverageResults@2
     inputs:
-      codeCoverageTool: "Cobertura"
-      summaryFileLocation: $(Build.SourcesDirectory)/coverage/cobertura-coverage.xml
+      summaryFileLocation: $(Build.SourcesDirectory)/packages/*/coverage/cobertura-coverage.xml
     displayName: Publish code coverage
diff --git a/package.json b/package.json
index 9719d307a2..4e32b69a5d 100644
--- a/package.json
+++ b/package.json
@@ -6,7 +6,6 @@
   "scripts": {
     "run-all": "pnpm -r --filter=!./core/",
     "build": "pnpm run-all --workspace-concurrency=Infinity --aggregate-output --reporter=append-only build ",
-    "check-format": "pnpm run prettier --check",
     "check-version-mismatch": "syncpack list-mismatches",
     "change": "chronus",
     "clean": "pnpm run-all run clean",
@@ -14,8 +13,8 @@
     "dogfood": "pnpm install && pnpm build && pnpm run-all dogfood",
     "fix-version-mismatch": "syncpack fix-mismatches",
     "format": "pnpm run prettier --write",
+    "format:check": "pnpm run prettier --check",
     "lint": "pnpm run-all  --parallel --aggregate-output --reporter=append-only run lint",
-    "merge-coverage": "c8 -- report --reporter=cobertura --reporter=text",
     "pack:all": "chronus pack --pack-destination ./temp/artifacts",
     "preinstall": "npx only-allow pnpm",
     "prepare-publish": "node ./eng/scripts/prepare-publish.js",
@@ -23,9 +22,9 @@
     "purge": "rimraf --glob \"packages/*/node_modules/\" --glob \"core/packages/*/node_modules/\"",
     "regen-docs": "pnpm run-all  --parallel --aggregate-output --reporter=append-only run regen-docs",
     "regen-samples": "pnpm run-all run regen-samples",
-    "test-official": "pnpm run-all --aggregate-output --reporter=append-only test-official",
-    "test:e2e": "pnpm run-all run e2e",
-    "test": "pnpm run-all --aggregate-output --reporter=append-only run test",
+    "test:ci": "pnpm -r --filter=!./core/ --filter=!./core/** --aggregate-output --reporter=append-only --sequential test:ci",
+    "test:e2e": "pnpm run-all run test:e2e",
+    "test": "pnpm run-all run test",
     "update-latest-docs": "pnpm run-all run update-latest-docs",
     "watch": "tsc --build ./tsconfig.ws.json --watch"
   },
diff --git a/packages/samples/README.md b/packages/samples/README.md
index 0840408dc0..f382cc7ff0 100644
--- a/packages/samples/README.md
+++ b/packages/samples/README.md
@@ -2,7 +2,7 @@
 
 ```bash
 npm run test # Check Samples match snapshots
-npm run test-official # run test same as CI
+npm run test:ci # run test same as CI
 
 
 npm run test:regen -- -g "<sample-name>" # Regen of this name
diff --git a/packages/samples/package.json b/packages/samples/package.json
index 58b059ae27..7d4ade9844 100644
--- a/packages/samples/package.json
+++ b/packages/samples/package.json
@@ -28,7 +28,7 @@
     "watch": "tsc -p . --watch",
     "test": "vitest run",
     "test:watch": "vitest -w",
-    "test-official": "vitest run --coverage --reporter=junit --reporter=default --no-file-parallelism",
+    "test:ci": "vitest run --coverage  --reporter=junit --reporter=default",
     "test:regen": "cross-env RECORD=true vitest run",
     "regen-samples": "cross-env RECORD=true vitest run"
   },
diff --git a/packages/typespec-autorest-canonical/package.json b/packages/typespec-autorest-canonical/package.json
index 5f43305497..cc4e42a900 100644
--- a/packages/typespec-autorest-canonical/package.json
+++ b/packages/typespec-autorest-canonical/package.json
@@ -42,7 +42,7 @@
     "test": "vitest run",
     "test:watch": "vitest -w",
     "test:ui": "vitest --ui",
-    "test-official": "vitest run --coverage --reporter=junit --reporter=default --no-file-parallelism",
+    "test:ci": "vitest run --coverage  --reporter=junit --reporter=default",
     "lint": "eslint . --ext .ts --max-warnings=0",
     "lint:fix": "eslint . --fix --ext .ts",
     "regen-docs": "tspd doc .  --enable-experimental  --output-dir ../../docs/emitters/typespec-autorest-canonical/reference"
diff --git a/packages/typespec-autorest-canonical/src/openapi.ts b/packages/typespec-autorest-canonical/src/openapi.ts
index 3ab853f947..41ce9918fe 100644
--- a/packages/typespec-autorest-canonical/src/openapi.ts
+++ b/packages/typespec-autorest-canonical/src/openapi.ts
@@ -28,7 +28,6 @@ import {
   NumericLiteral,
   Operation,
   Program,
-  ProjectedNameView,
   Scalar,
   Service,
   StringLiteral,
@@ -40,7 +39,6 @@ import {
   Union,
   UnionVariant,
   compilerAssert,
-  createProjectedNameProgram,
   emitFile,
   getAllTags,
   getDiscriminator,
@@ -56,6 +54,7 @@ import {
   getMinValue,
   getNamespaceFullName,
   getPattern,
+  getProjectedName,
   getProperty,
   getPropertyType,
   getService,
@@ -309,8 +308,6 @@ function createOAPIEmitter(
   const globalConsumes = new Set<string>(["application/json"]);
 
   let outputFile: string;
-  let jsonView: ProjectedNameView;
-  let clientView: ProjectedNameView;
   let context: AutorestCanonicalEmitterContext;
 
   async function emitOpenAPI() {
@@ -320,8 +317,6 @@ function createOAPIEmitter(
     }
     for (const service of services) {
       currentService = service;
-      jsonView = createProjectedNameProgram(program, "json");
-      clientView = createProjectedNameProgram(program, "client");
       context = {
         program,
         service,
@@ -936,19 +931,19 @@ function createOAPIEmitter(
     return placeholder;
   }
 
-  function getJsonName(type: Type & { name: string }) {
-    const viaProjection = jsonView.getProjectedName(type);
+  function getJsonName(type: Type & { name: string }): string {
+    const viaProjection = getProjectedName(program, type, "json");
 
     const encodedName = resolveEncodedName(program, type, "application/json");
     // Pick the value set via `encodedName` or default back to the legacy projection otherwise.
     // `resolveEncodedName` will return the original name if no @encodedName so we have to do that check
-    return encodedName === type.name ? viaProjection : encodedName;
+    return encodedName === type.name ? viaProjection ?? type.name : encodedName;
   }
 
   function getClientName(type: Type & { name: string }): string {
-    const viaProjection = clientView.getProjectedName(type);
+    const viaProjection = getProjectedName(program, type, "client");
     const clientName = getClientNameOverride(tcgcSdkContext, type);
-    return clientName ?? viaProjection;
+    return clientName ?? viaProjection ?? type.name;
   }
 
   function emitEndpointParameters(methodParams: HttpOperationParameters, visibility: Visibility) {
@@ -1557,8 +1552,8 @@ function createOAPIEmitter(
         continue;
       }
 
-      const jsonName = jsonView.getProjectedName(prop);
-      const clientName = clientView.getProjectedName(prop);
+      const jsonName = getJsonName(prop);
+      const clientName = getClientName(prop);
 
       const description = getDoc(program, prop);
 
diff --git a/packages/typespec-autorest-canonical/vitest.config.ts b/packages/typespec-autorest-canonical/vitest.config.ts
index 3bddbdcd20..dd8d9aa35f 100644
--- a/packages/typespec-autorest-canonical/vitest.config.ts
+++ b/packages/typespec-autorest-canonical/vitest.config.ts
@@ -1,4 +1,11 @@
 import { defineConfig, mergeConfig } from "vitest/config";
 
 import { defaultTypeSpecVitestConfig } from "../../core/vitest.workspace";
-export default mergeConfig(defaultTypeSpecVitestConfig, defineConfig({}));
+export default mergeConfig(
+  defaultTypeSpecVitestConfig,
+  defineConfig({
+    test: {
+      testTimeout: 10000,
+    },
+  })
+);
diff --git a/packages/typespec-autorest/package.json b/packages/typespec-autorest/package.json
index 07ae46dc1e..540a3add66 100644
--- a/packages/typespec-autorest/package.json
+++ b/packages/typespec-autorest/package.json
@@ -42,7 +42,7 @@
     "test": "vitest run",
     "test:watch": "vitest -w",
     "test:ui": "vitest --ui",
-    "test-official": "vitest run --coverage --reporter=junit --reporter=default --no-file-parallelism",
+    "test:ci": "vitest run --coverage --reporter=junit --reporter=default",
     "lint": "eslint . --ext .ts --max-warnings=0",
     "lint:fix": "eslint . --fix --ext .ts",
     "regen-docs": "tspd doc .  --enable-experimental  --output-dir ../../docs/emitters/typespec-autorest/reference"
diff --git a/packages/typespec-autorest/src/openapi.ts b/packages/typespec-autorest/src/openapi.ts
index b0a4ca4e49..ed616d2145 100644
--- a/packages/typespec-autorest/src/openapi.ts
+++ b/packages/typespec-autorest/src/openapi.ts
@@ -31,7 +31,6 @@ import {
   NumericLiteral,
   Operation,
   Program,
-  ProjectedNameView,
   Scalar,
   Service,
   StringLiteral,
@@ -43,7 +42,6 @@ import {
   Union,
   UnionVariant,
   compilerAssert,
-  createProjectedNameProgram,
   emitFile,
   getAllTags,
   getDirectoryPath,
@@ -60,6 +58,7 @@ import {
   getMinValue,
   getNamespaceFullName,
   getPattern,
+  getProjectedName,
   getProperty,
   getPropertyType,
   getRelativePathFromDirectory,
@@ -320,8 +319,6 @@ function createOAPIEmitter(
   let operationExamplesMap: Map<string, { [title: string]: string }>;
   let operationIdsWithExample: Set<string>;
   let outputFile: string;
-  let jsonView: ProjectedNameView;
-  let clientView: ProjectedNameView;
   let context: AutorestEmitterContext;
 
   async function emitOpenAPI() {
@@ -340,8 +337,6 @@ function createOAPIEmitter(
         if (record.projections.length > 0) {
           projectedProgram = program = projectProgram(originalProgram, record.projections);
         }
-        jsonView = createProjectedNameProgram(program, "json");
-        clientView = createProjectedNameProgram(program, "client");
         context = {
           program,
           service,
@@ -1019,19 +1014,19 @@ function createOAPIEmitter(
     return placeholder;
   }
 
-  function getJsonName(type: Type & { name: string }) {
-    const viaProjection = jsonView.getProjectedName(type);
+  function getJsonName(type: Type & { name: string }): string {
+    const viaProjection = getProjectedName(program, type, "json");
 
     const encodedName = resolveEncodedName(program, type, "application/json");
     // Pick the value set via `encodedName` or default back to the legacy projection otherwise.
     // `resolveEncodedName` will return the original name if no @encodedName so we have to do that check
-    return encodedName === type.name ? viaProjection : encodedName;
+    return encodedName === type.name ? viaProjection ?? type.name : encodedName;
   }
 
   function getClientName(type: Type & { name: string }): string {
-    const viaProjection = clientView.getProjectedName(type);
+    const viaProjection = getProjectedName(program, type, "client");
     const clientName = getClientNameOverride(tcgcSdkContext, type);
-    return clientName ?? viaProjection;
+    return clientName ?? viaProjection ?? type.name;
   }
 
   function emitEndpointParameters(methodParams: HttpOperationParameters, visibility: Visibility) {
diff --git a/packages/typespec-autorest/vitest.config.ts b/packages/typespec-autorest/vitest.config.ts
index bd5b317b12..dd8d9aa35f 100644
--- a/packages/typespec-autorest/vitest.config.ts
+++ b/packages/typespec-autorest/vitest.config.ts
@@ -1,15 +1,11 @@
-import { defineConfig } from "vitest/config";
+import { defineConfig, mergeConfig } from "vitest/config";
 
-export default defineConfig({
-  test: {
-    environment: "node",
-    testTimeout: 10000,
-    isolate: false,
-    coverage: {
-      reporter: ["cobertura", "json", "text"],
+import { defaultTypeSpecVitestConfig } from "../../core/vitest.workspace";
+export default mergeConfig(
+  defaultTypeSpecVitestConfig,
+  defineConfig({
+    test: {
+      testTimeout: 10000,
     },
-    outputFile: {
-      junit: "./test-results.xml",
-    },
-  },
-});
+  })
+);
diff --git a/packages/typespec-azure-core/package.json b/packages/typespec-azure-core/package.json
index 02ffa4ffe9..711ec8e8c8 100644
--- a/packages/typespec-azure-core/package.json
+++ b/packages/typespec-azure-core/package.json
@@ -41,7 +41,7 @@
     "test": "vitest run",
     "test:watch": "vitest -w",
     "test:ui": "vitest --ui",
-    "test-official": "vitest run --coverage --reporter=junit --reporter=default --no-file-parallelism",
+    "test:ci": "vitest run --coverage  --reporter=junit --reporter=default",
     "lint": "eslint . --ext .ts --max-warnings=0",
     "lint:fix": "eslint . --fix --ext .ts",
     "regen-docs": "tspd doc .  --enable-experimental  --output-dir ../../docs/libraries/azure-core/reference"
diff --git a/packages/typespec-azure-playground-website/package.json b/packages/typespec-azure-playground-website/package.json
index 92cbe1e9ae..03e3947b07 100644
--- a/packages/typespec-azure-playground-website/package.json
+++ b/packages/typespec-azure-playground-website/package.json
@@ -39,8 +39,8 @@
     "test": "vitest run",
     "test:watch": "vitest -w",
     "watch": "vite --port 5174",
-    "e2e": "cross-env PW_EXPERIMENTAL_TS_ESM=1 playwright test -c e2e",
-    "e2e:headed": "cross-env PW_EXPERIMENTAL_TS_ESM=1 playwright test -c e2e --headed",
+    "test:e2e": "cross-env PW_EXPERIMENTAL_TS_ESM=1 playwright test -c e2e",
+    "test:e2e:headed": "cross-env PW_EXPERIMENTAL_TS_ESM=1 playwright test -c e2e --headed",
     "lint": "eslint . --ext .ts --max-warnings=0",
     "lint:fix": "eslint . --fix --ext .ts"
   },
diff --git a/packages/typespec-azure-portal-core/package.json b/packages/typespec-azure-portal-core/package.json
index 6183832bbf..17d3d634da 100644
--- a/packages/typespec-azure-portal-core/package.json
+++ b/packages/typespec-azure-portal-core/package.json
@@ -14,7 +14,7 @@
     "test": "vitest run",
     "test:watch": "vitest -w",
     "test:ui": "vitest --ui",
-    "test-official": "vitest run --coverage --reporter=junit --reporter=default --no-file-parallelism",
+    "test:ci": "vitest run --coverage  --reporter=junit --reporter=default",
     "lint": "eslint . --ext .ts --max-warnings=0",
     "lint:fix": "eslint . --fix --ext .ts",
     "regen-docs": "tspd doc .  --enable-experimental  --output-dir ../../docs/libraries/azure-portal-core/reference"
diff --git a/packages/typespec-azure-resource-manager/package.json b/packages/typespec-azure-resource-manager/package.json
index 9d5bd2b0df..ad50f1501d 100644
--- a/packages/typespec-azure-resource-manager/package.json
+++ b/packages/typespec-azure-resource-manager/package.json
@@ -41,7 +41,7 @@
     "test": "vitest run",
     "test:watch": "vitest -w",
     "test:ui": "vitest --ui",
-    "test-official": "vitest run --coverage --reporter=junit --reporter=default --no-file-parallelism",
+    "test:ci": "vitest run --coverage  --reporter=junit --reporter=default",
     "lint": "eslint . --ext .ts --max-warnings=0",
     "lint:fix": "eslint . --fix --ext .ts",
     "regen-docs": "tspd doc .  --enable-experimental  --output-dir ../../docs/libraries/azure-resource-manager/reference"
diff --git a/packages/typespec-client-generator-core/package.json b/packages/typespec-client-generator-core/package.json
index e1e26f1ec9..7ec4ac0625 100644
--- a/packages/typespec-client-generator-core/package.json
+++ b/packages/typespec-client-generator-core/package.json
@@ -42,7 +42,7 @@
     "test": "vitest run",
     "test:watch": "vitest -w",
     "test:ui": "vitest --ui",
-    "test-official": "vitest run --coverage --reporter=junit --reporter=default --no-file-parallelism",
+    "test:ci": "vitest run --coverage  --reporter=junit --reporter=default",
     "lint": "eslint . --ext .ts --max-warnings=0",
     "lint:fix": "eslint . --fix --ext .ts",
     "regen-docs": "tspd doc .  --enable-experimental  --output-dir ../../docs/libraries/typespec-client-generator-core/reference"
diff --git a/packages/typespec-service-csharp/package.json b/packages/typespec-service-csharp/package.json
index e3fbdee4ab..062d600456 100644
--- a/packages/typespec-service-csharp/package.json
+++ b/packages/typespec-service-csharp/package.json
@@ -35,7 +35,7 @@
     "test": "vitest run",
     "test:watch": "vitest -w",
     "test:ui": "vitest --ui",
-    "test-official": "vitest run --coverage --reporter=junit --reporter=default --no-file-parallelism",
+    "test:ci": "vitest run --coverage  --reporter=junit --reporter=default",
     "lint": "eslint . --ext .ts --max-warnings=0",
     "lint:fix": "eslint . --fix --ext .ts",
     "regen-docs": "tspd doc .  --enable-experimental  --output-dir ../../docs/emitters/typespec-service-csharp/reference"