diff --git a/.github/workflows/acceptance-test.yml b/.github/workflows/acceptance-test.yml
index 6ceabc030201..831c9d39d9a0 100644
--- a/.github/workflows/acceptance-test.yml
+++ b/.github/workflows/acceptance-test.yml
@@ -23,7 +23,7 @@ on:
 
 jobs:
   comment-notification:
-    runs-on: ubuntu-latest
+    runs-on: pulumi-ubuntu-8core
     steps:
       - name: Create URL to the run output
         id: vars
diff --git a/.github/workflows/actionlint.yml b/.github/workflows/actionlint.yml
index baaee4d7b689..2e5cf956f893 100644
--- a/.github/workflows/actionlint.yml
+++ b/.github/workflows/actionlint.yml
@@ -11,7 +11,7 @@ on:
 
 jobs:
   lint_workflows:
-    runs-on: ubuntu-latest
+    runs-on: pulumi-ubuntu-8core
     steps:
       - name: Checkout Repo
         uses: actions/checkout@v4
diff --git a/.github/workflows/build-test.yml b/.github/workflows/build-test.yml
index 409d007cc08b..9fcd6e02545e 100644
--- a/.github/workflows/build-test.yml
+++ b/.github/workflows/build-test.yml
@@ -53,7 +53,7 @@ env:
 
 jobs:
   prerequisites:
-    runs-on: ubuntu-latest
+    runs-on: pulumi-ubuntu-8core
     name: Build binaries and schema
     steps:
       - name: Checkout Repo
@@ -93,8 +93,7 @@ jobs:
 
   build_sdks:
     needs: [prerequisites,test_provider]
-    # Use big runner for dotnet and nodejs because we need more memory and more compute, respectively
-    runs-on: ${{ (matrix.language == 'dotnet' || matrix.language == 'nodejs' || matrix.language == 'go') && 'pulumi-ubuntu-8core' || 'ubuntu-latest' }}
+    runs-on: pulumi-ubuntu-8core
     strategy:
       fail-fast: false
       matrix:
@@ -174,8 +173,7 @@ jobs:
 
   test_sdks:
     needs: build_sdks
-    # Use big runner for dotnet and nodejs because we need more memory and more compute, respectively
-    runs-on: ${{ (matrix.language == 'dotnet' || matrix.language == 'nodejs' || matrix.language == 'go') && 'pulumi-ubuntu-8core' || 'ubuntu-latest' }}
+    runs-on: pulumi-ubuntu-8core
     environment: env-ci
     strategy:
       fail-fast: false
@@ -254,7 +252,7 @@ jobs:
 
   test_examples:
     needs: build_sdks
-    runs-on: ubuntu-latest
+    runs-on: pulumi-ubuntu-8core
     name: Test pulumi/examples
     continue-on-error: true
     strategy:
@@ -319,7 +317,7 @@ jobs:
             go test -cover -timeout 2h -tags=${{ matrix.language }} -run TestPulumiExamples -parallel 16 . 2>&1 | tee /tmp/gotest.log
 
   test_provider:
-    runs-on: ubuntu-latest
+    runs-on: pulumi-ubuntu-8core
     name: Test Provider
     needs: prerequisites
     permissions:
@@ -399,7 +397,7 @@ jobs:
           CODECOV_TOKEN: ${{ steps.esc-secrets.outputs.CODECOV_TOKEN }}
 
   dist:
-    runs-on: ubuntu-latest
+    runs-on: pulumi-ubuntu-8core
     name: Provider Dist
     needs: prerequisites
     permissions:
diff --git a/.github/workflows/command-dispatch.yml b/.github/workflows/command-dispatch.yml
index d6c717e88bd7..e1cd4e8283bf 100644
--- a/.github/workflows/command-dispatch.yml
+++ b/.github/workflows/command-dispatch.yml
@@ -14,7 +14,7 @@ jobs:
     permissions:
       contents: read
       id-token: write # For ESC secrets.
-    runs-on: ubuntu-latest
+    runs-on: pulumi-ubuntu-8core
     name: command-dispatch-for-testing
     if: ${{ github.event.issue.pull_request }}
     steps:
diff --git a/.github/workflows/export-repo-secrets.yml b/.github/workflows/export-repo-secrets.yml
index cc1dd26722e1..fa66144d85c6 100644
--- a/.github/workflows/export-repo-secrets.yml
+++ b/.github/workflows/export-repo-secrets.yml
@@ -3,7 +3,7 @@ name: Export secrets to ESC
 on: [ workflow_dispatch ]
 jobs:
   export-to-esc:
-    runs-on: ubuntu-latest
+    runs-on: pulumi-ubuntu-8core
     name: export GitHub secrets to ESC
     steps:
       - name: Generate a GitHub token
diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index b68d12dd1b41..c72917c22ad9 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -30,7 +30,7 @@ env:
 
 jobs:
   publish-provider:
-    runs-on: ubuntu-latest
+    runs-on: pulumi-ubuntu-8core
     name: publish-provider
     permissions:
       id-token: write # For ESC secrets.
@@ -134,7 +134,7 @@ jobs:
           status: ${{ job.status }}
 
   publish-python-sdk:
-    runs-on: ubuntu-latest
+    runs-on: pulumi-ubuntu-8core
     name: publish-python-sdk
     needs: publish-provider
     permissions:
@@ -188,7 +188,7 @@ jobs:
           status: ${{ job.status }}
 
   publish-dotnet-sdk:
-    runs-on: ubuntu-latest
+    runs-on: pulumi-ubuntu-8core
     name: publish-dotnet-sdk
     needs: publish-provider
     permissions:
@@ -241,7 +241,7 @@ jobs:
           status: ${{ job.status }}
 
   publish-nodejs-sdk:
-    runs-on: ubuntu-latest
+    runs-on: pulumi-ubuntu-8core
     name: publish-nodejs-sdk
     needs: publish-provider
     permissions:
@@ -293,7 +293,7 @@ jobs:
           status: ${{ job.status }}
 
   publish-java-sdk:
-    runs-on: ubuntu-latest
+    runs-on: pulumi-ubuntu-8core
     name: publish-java-sdk
     needs: publish-provider
     env:
@@ -357,7 +357,7 @@ jobs:
           status: ${{ job.status }}
 
   publish-go-sdk:
-    runs-on: ubuntu-latest
+    runs-on: pulumi-ubuntu-8core
     name: publish-go-sdk
     needs: publish-provider
     permissions:
diff --git a/.github/workflows/pull-request-community-autoresponder.yml b/.github/workflows/pull-request-community-autoresponder.yml
index 6c882d8e089b..e31e14583184 100644
--- a/.github/workflows/pull-request-community-autoresponder.yml
+++ b/.github/workflows/pull-request-community-autoresponder.yml
@@ -8,7 +8,7 @@ jobs:
   comment-on-pr:
     name: Comment maintainer instructions
     if: github.event.pull_request.head.repo.full_name != github.repository
-    runs-on: ubuntu-latest
+    runs-on: pulumi-ubuntu-8core
     steps:
       - name: Comment PR
         uses: thollander/actions-comment-pull-request@v2
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 87a1b6b3b044..6cfb5a871e37 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -36,7 +36,7 @@ jobs:
       prerelease: ${{ contains(github.ref_name,'-') }}
 
   dispatch_docs_build:
-    runs-on: ubuntu-latest
+    runs-on: pulumi-ubuntu-8core
     needs: publish
     # not a prerelease
     if: ${{ !contains(github.ref_name,'-') }}
diff --git a/.github/workflows/version.yml b/.github/workflows/version.yml
index 5ac27f6c7758..2d55921faeee 100644
--- a/.github/workflows/version.yml
+++ b/.github/workflows/version.yml
@@ -10,7 +10,7 @@ on:
 
 jobs:
   version:
-    runs-on: ubuntu-latest
+    runs-on: pulumi-ubuntu-8core
     name: Calculate Dev Version
     steps:
       - id: version