diff --git a/src/Autocomplete/.gitattributes b/src/Autocomplete/.gitattributes
index 61e8a87a6ac..b9bb8f6e796 100644
--- a/src/Autocomplete/.gitattributes
+++ b/src/Autocomplete/.gitattributes
@@ -1,5 +1,4 @@
-/.gitattributes export-ignore
-/.gitignore export-ignore
+/.git* export-ignore
 /.symfony.bundle.yaml export-ignore
 /assets/src export-ignore
 /assets/test export-ignore
diff --git a/src/Autocomplete/.github/PULL_REQUEST_TEMPLATE.md b/src/Autocomplete/.github/PULL_REQUEST_TEMPLATE.md
new file mode 100644
index 00000000000..df3b474b452
--- /dev/null
+++ b/src/Autocomplete/.github/PULL_REQUEST_TEMPLATE.md
@@ -0,0 +1,8 @@
+Please do not submit any Pull Requests here. They will be closed.
+---
+
+Please submit your PR here instead:
+https://github.com/symfony/ux
+
+This repository is what we call a "subtree split": a read-only subset of that main repository.
+We're looking forward to your PR there!
diff --git a/src/Autocomplete/.github/workflows/close-pull-request.yml b/src/Autocomplete/.github/workflows/close-pull-request.yml
new file mode 100644
index 00000000000..57e4e3fb074
--- /dev/null
+++ b/src/Autocomplete/.github/workflows/close-pull-request.yml
@@ -0,0 +1,20 @@
+name: Close Pull Request
+
+on:
+  pull_request_target:
+    types: [opened]
+
+jobs:
+  run:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: superbrothers/close-pull-request@v3
+        with:
+          comment: |
+            Thanks for your Pull Request! We love contributions.
+            
+            However, you should instead open your PR on the main repository:
+            https://github.com/symfony/ux
+            
+            This repository is what we call a "subtree split": a read-only subset of that main repository.
+            We're looking forward to your PR there!
diff --git a/src/Chartjs/.gitattributes b/src/Chartjs/.gitattributes
index d49b3ecd1dd..ec2de4be5f0 100644
--- a/src/Chartjs/.gitattributes
+++ b/src/Chartjs/.gitattributes
@@ -1,5 +1,4 @@
-/.gitattributes export-ignore
-/.gitignore export-ignore
+/.git* export-ignore
 /.symfony.bundle.yaml export-ignore
 /assets/src export-ignore
 /assets/test export-ignore
diff --git a/src/Chartjs/.github/PULL_REQUEST_TEMPLATE.md b/src/Chartjs/.github/PULL_REQUEST_TEMPLATE.md
new file mode 100644
index 00000000000..df3b474b452
--- /dev/null
+++ b/src/Chartjs/.github/PULL_REQUEST_TEMPLATE.md
@@ -0,0 +1,8 @@
+Please do not submit any Pull Requests here. They will be closed.
+---
+
+Please submit your PR here instead:
+https://github.com/symfony/ux
+
+This repository is what we call a "subtree split": a read-only subset of that main repository.
+We're looking forward to your PR there!
diff --git a/src/Chartjs/.github/workflows/close-pull-request.yml b/src/Chartjs/.github/workflows/close-pull-request.yml
new file mode 100644
index 00000000000..57e4e3fb074
--- /dev/null
+++ b/src/Chartjs/.github/workflows/close-pull-request.yml
@@ -0,0 +1,20 @@
+name: Close Pull Request
+
+on:
+  pull_request_target:
+    types: [opened]
+
+jobs:
+  run:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: superbrothers/close-pull-request@v3
+        with:
+          comment: |
+            Thanks for your Pull Request! We love contributions.
+            
+            However, you should instead open your PR on the main repository:
+            https://github.com/symfony/ux
+            
+            This repository is what we call a "subtree split": a read-only subset of that main repository.
+            We're looking forward to your PR there!
diff --git a/src/Cropperjs/.gitattributes b/src/Cropperjs/.gitattributes
index 61e8a87a6ac..b9bb8f6e796 100644
--- a/src/Cropperjs/.gitattributes
+++ b/src/Cropperjs/.gitattributes
@@ -1,5 +1,4 @@
-/.gitattributes export-ignore
-/.gitignore export-ignore
+/.git* export-ignore
 /.symfony.bundle.yaml export-ignore
 /assets/src export-ignore
 /assets/test export-ignore
diff --git a/src/Cropperjs/.github/PULL_REQUEST_TEMPLATE.md b/src/Cropperjs/.github/PULL_REQUEST_TEMPLATE.md
new file mode 100644
index 00000000000..df3b474b452
--- /dev/null
+++ b/src/Cropperjs/.github/PULL_REQUEST_TEMPLATE.md
@@ -0,0 +1,8 @@
+Please do not submit any Pull Requests here. They will be closed.
+---
+
+Please submit your PR here instead:
+https://github.com/symfony/ux
+
+This repository is what we call a "subtree split": a read-only subset of that main repository.
+We're looking forward to your PR there!
diff --git a/src/Cropperjs/.github/workflows/close-pull-request.yml b/src/Cropperjs/.github/workflows/close-pull-request.yml
new file mode 100644
index 00000000000..57e4e3fb074
--- /dev/null
+++ b/src/Cropperjs/.github/workflows/close-pull-request.yml
@@ -0,0 +1,20 @@
+name: Close Pull Request
+
+on:
+  pull_request_target:
+    types: [opened]
+
+jobs:
+  run:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: superbrothers/close-pull-request@v3
+        with:
+          comment: |
+            Thanks for your Pull Request! We love contributions.
+            
+            However, you should instead open your PR on the main repository:
+            https://github.com/symfony/ux
+            
+            This repository is what we call a "subtree split": a read-only subset of that main repository.
+            We're looking forward to your PR there!
diff --git a/src/Dropzone/.gitattributes b/src/Dropzone/.gitattributes
index 61e8a87a6ac..b9bb8f6e796 100644
--- a/src/Dropzone/.gitattributes
+++ b/src/Dropzone/.gitattributes
@@ -1,5 +1,4 @@
-/.gitattributes export-ignore
-/.gitignore export-ignore
+/.git* export-ignore
 /.symfony.bundle.yaml export-ignore
 /assets/src export-ignore
 /assets/test export-ignore
diff --git a/src/Dropzone/.github/PULL_REQUEST_TEMPLATE.md b/src/Dropzone/.github/PULL_REQUEST_TEMPLATE.md
new file mode 100644
index 00000000000..df3b474b452
--- /dev/null
+++ b/src/Dropzone/.github/PULL_REQUEST_TEMPLATE.md
@@ -0,0 +1,8 @@
+Please do not submit any Pull Requests here. They will be closed.
+---
+
+Please submit your PR here instead:
+https://github.com/symfony/ux
+
+This repository is what we call a "subtree split": a read-only subset of that main repository.
+We're looking forward to your PR there!
diff --git a/src/Dropzone/.github/workflows/close-pull-request.yml b/src/Dropzone/.github/workflows/close-pull-request.yml
new file mode 100644
index 00000000000..57e4e3fb074
--- /dev/null
+++ b/src/Dropzone/.github/workflows/close-pull-request.yml
@@ -0,0 +1,20 @@
+name: Close Pull Request
+
+on:
+  pull_request_target:
+    types: [opened]
+
+jobs:
+  run:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: superbrothers/close-pull-request@v3
+        with:
+          comment: |
+            Thanks for your Pull Request! We love contributions.
+            
+            However, you should instead open your PR on the main repository:
+            https://github.com/symfony/ux
+            
+            This repository is what we call a "subtree split": a read-only subset of that main repository.
+            We're looking forward to your PR there!
diff --git a/src/Icons/.gitattributes b/src/Icons/.gitattributes
index 0d2dd572d46..db1844b9e9f 100644
--- a/src/Icons/.gitattributes
+++ b/src/Icons/.gitattributes
@@ -1,5 +1,4 @@
-/.gitattributes export-ignore
-/.gitignore export-ignore
+/.git* export-ignore
 /.symfony.bundle.yaml export-ignore
 /doc export-ignore
 /phpunit.xml.dist export-ignore
diff --git a/src/Icons/.github/PULL_REQUEST_TEMPLATE.md b/src/Icons/.github/PULL_REQUEST_TEMPLATE.md
new file mode 100644
index 00000000000..df3b474b452
--- /dev/null
+++ b/src/Icons/.github/PULL_REQUEST_TEMPLATE.md
@@ -0,0 +1,8 @@
+Please do not submit any Pull Requests here. They will be closed.
+---
+
+Please submit your PR here instead:
+https://github.com/symfony/ux
+
+This repository is what we call a "subtree split": a read-only subset of that main repository.
+We're looking forward to your PR there!
diff --git a/src/Icons/.github/workflows/close-pull-request.yml b/src/Icons/.github/workflows/close-pull-request.yml
new file mode 100644
index 00000000000..57e4e3fb074
--- /dev/null
+++ b/src/Icons/.github/workflows/close-pull-request.yml
@@ -0,0 +1,20 @@
+name: Close Pull Request
+
+on:
+  pull_request_target:
+    types: [opened]
+
+jobs:
+  run:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: superbrothers/close-pull-request@v3
+        with:
+          comment: |
+            Thanks for your Pull Request! We love contributions.
+            
+            However, you should instead open your PR on the main repository:
+            https://github.com/symfony/ux
+            
+            This repository is what we call a "subtree split": a read-only subset of that main repository.
+            We're looking forward to your PR there!
diff --git a/src/LazyImage/.gitattributes b/src/LazyImage/.gitattributes
index 61e8a87a6ac..b9bb8f6e796 100644
--- a/src/LazyImage/.gitattributes
+++ b/src/LazyImage/.gitattributes
@@ -1,5 +1,4 @@
-/.gitattributes export-ignore
-/.gitignore export-ignore
+/.git* export-ignore
 /.symfony.bundle.yaml export-ignore
 /assets/src export-ignore
 /assets/test export-ignore
diff --git a/src/LazyImage/.github/PULL_REQUEST_TEMPLATE.md b/src/LazyImage/.github/PULL_REQUEST_TEMPLATE.md
new file mode 100644
index 00000000000..df3b474b452
--- /dev/null
+++ b/src/LazyImage/.github/PULL_REQUEST_TEMPLATE.md
@@ -0,0 +1,8 @@
+Please do not submit any Pull Requests here. They will be closed.
+---
+
+Please submit your PR here instead:
+https://github.com/symfony/ux
+
+This repository is what we call a "subtree split": a read-only subset of that main repository.
+We're looking forward to your PR there!
diff --git a/src/LazyImage/.github/workflows/close-pull-request.yml b/src/LazyImage/.github/workflows/close-pull-request.yml
new file mode 100644
index 00000000000..57e4e3fb074
--- /dev/null
+++ b/src/LazyImage/.github/workflows/close-pull-request.yml
@@ -0,0 +1,20 @@
+name: Close Pull Request
+
+on:
+  pull_request_target:
+    types: [opened]
+
+jobs:
+  run:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: superbrothers/close-pull-request@v3
+        with:
+          comment: |
+            Thanks for your Pull Request! We love contributions.
+            
+            However, you should instead open your PR on the main repository:
+            https://github.com/symfony/ux
+            
+            This repository is what we call a "subtree split": a read-only subset of that main repository.
+            We're looking forward to your PR there!
diff --git a/src/LiveComponent/.gitattributes b/src/LiveComponent/.gitattributes
index 61e8a87a6ac..b9bb8f6e796 100644
--- a/src/LiveComponent/.gitattributes
+++ b/src/LiveComponent/.gitattributes
@@ -1,5 +1,4 @@
-/.gitattributes export-ignore
-/.gitignore export-ignore
+/.git* export-ignore
 /.symfony.bundle.yaml export-ignore
 /assets/src export-ignore
 /assets/test export-ignore
diff --git a/src/LiveComponent/.github/PULL_REQUEST_TEMPLATE.md b/src/LiveComponent/.github/PULL_REQUEST_TEMPLATE.md
new file mode 100644
index 00000000000..df3b474b452
--- /dev/null
+++ b/src/LiveComponent/.github/PULL_REQUEST_TEMPLATE.md
@@ -0,0 +1,8 @@
+Please do not submit any Pull Requests here. They will be closed.
+---
+
+Please submit your PR here instead:
+https://github.com/symfony/ux
+
+This repository is what we call a "subtree split": a read-only subset of that main repository.
+We're looking forward to your PR there!
diff --git a/src/LiveComponent/.github/workflows/close-pull-request.yml b/src/LiveComponent/.github/workflows/close-pull-request.yml
new file mode 100644
index 00000000000..57e4e3fb074
--- /dev/null
+++ b/src/LiveComponent/.github/workflows/close-pull-request.yml
@@ -0,0 +1,20 @@
+name: Close Pull Request
+
+on:
+  pull_request_target:
+    types: [opened]
+
+jobs:
+  run:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: superbrothers/close-pull-request@v3
+        with:
+          comment: |
+            Thanks for your Pull Request! We love contributions.
+            
+            However, you should instead open your PR on the main repository:
+            https://github.com/symfony/ux
+            
+            This repository is what we call a "subtree split": a read-only subset of that main repository.
+            We're looking forward to your PR there!
diff --git a/src/Map/.gitattributes b/src/Map/.gitattributes
index a2d6db26532..df3be27ee22 100644
--- a/src/Map/.gitattributes
+++ b/src/Map/.gitattributes
@@ -1,5 +1,4 @@
-/.gitattributes export-ignore
-/.gitignore export-ignore
+/.git* export-ignore
 /.symfony.bundle.yaml export-ignore
 /phpunit.xml.dist export-ignore
 /assets/src export-ignore
diff --git a/src/Map/.github/PULL_REQUEST_TEMPLATE.md b/src/Map/.github/PULL_REQUEST_TEMPLATE.md
new file mode 100644
index 00000000000..df3b474b452
--- /dev/null
+++ b/src/Map/.github/PULL_REQUEST_TEMPLATE.md
@@ -0,0 +1,8 @@
+Please do not submit any Pull Requests here. They will be closed.
+---
+
+Please submit your PR here instead:
+https://github.com/symfony/ux
+
+This repository is what we call a "subtree split": a read-only subset of that main repository.
+We're looking forward to your PR there!
diff --git a/src/Map/.github/workflows/close-pull-request.yml b/src/Map/.github/workflows/close-pull-request.yml
new file mode 100644
index 00000000000..57e4e3fb074
--- /dev/null
+++ b/src/Map/.github/workflows/close-pull-request.yml
@@ -0,0 +1,20 @@
+name: Close Pull Request
+
+on:
+  pull_request_target:
+    types: [opened]
+
+jobs:
+  run:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: superbrothers/close-pull-request@v3
+        with:
+          comment: |
+            Thanks for your Pull Request! We love contributions.
+            
+            However, you should instead open your PR on the main repository:
+            https://github.com/symfony/ux
+            
+            This repository is what we call a "subtree split": a read-only subset of that main repository.
+            We're looking forward to your PR there!
diff --git a/src/Map/src/Bridge/Google/.gitattributes b/src/Map/src/Bridge/Google/.gitattributes
index e56a1c904f6..cd54bdcca24 100644
--- a/src/Map/src/Bridge/Google/.gitattributes
+++ b/src/Map/src/Bridge/Google/.gitattributes
@@ -2,6 +2,5 @@
 /assets/test export-ignore
 /assets/vitest.config.js export-ignore
 /tests export-ignore
-/.gitattributes export-ignore
-/.gitignore export-ignore
+/.git* export-ignore
 /phpunit.xml.dist export-ignore
diff --git a/src/Map/src/Bridge/Leaflet/.gitattributes b/src/Map/src/Bridge/Leaflet/.gitattributes
index e56a1c904f6..cd54bdcca24 100644
--- a/src/Map/src/Bridge/Leaflet/.gitattributes
+++ b/src/Map/src/Bridge/Leaflet/.gitattributes
@@ -2,6 +2,5 @@
 /assets/test export-ignore
 /assets/vitest.config.js export-ignore
 /tests export-ignore
-/.gitattributes export-ignore
-/.gitignore export-ignore
+/.git* export-ignore
 /phpunit.xml.dist export-ignore
diff --git a/src/Notify/.gitattributes b/src/Notify/.gitattributes
index 61e8a87a6ac..b9bb8f6e796 100644
--- a/src/Notify/.gitattributes
+++ b/src/Notify/.gitattributes
@@ -1,5 +1,4 @@
-/.gitattributes export-ignore
-/.gitignore export-ignore
+/.git* export-ignore
 /.symfony.bundle.yaml export-ignore
 /assets/src export-ignore
 /assets/test export-ignore
diff --git a/src/Notify/.github/PULL_REQUEST_TEMPLATE.md b/src/Notify/.github/PULL_REQUEST_TEMPLATE.md
new file mode 100644
index 00000000000..df3b474b452
--- /dev/null
+++ b/src/Notify/.github/PULL_REQUEST_TEMPLATE.md
@@ -0,0 +1,8 @@
+Please do not submit any Pull Requests here. They will be closed.
+---
+
+Please submit your PR here instead:
+https://github.com/symfony/ux
+
+This repository is what we call a "subtree split": a read-only subset of that main repository.
+We're looking forward to your PR there!
diff --git a/src/Notify/.github/workflows/close-pull-request.yml b/src/Notify/.github/workflows/close-pull-request.yml
new file mode 100644
index 00000000000..57e4e3fb074
--- /dev/null
+++ b/src/Notify/.github/workflows/close-pull-request.yml
@@ -0,0 +1,20 @@
+name: Close Pull Request
+
+on:
+  pull_request_target:
+    types: [opened]
+
+jobs:
+  run:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: superbrothers/close-pull-request@v3
+        with:
+          comment: |
+            Thanks for your Pull Request! We love contributions.
+            
+            However, you should instead open your PR on the main repository:
+            https://github.com/symfony/ux
+            
+            This repository is what we call a "subtree split": a read-only subset of that main repository.
+            We're looking forward to your PR there!
diff --git a/src/React/.gitattributes b/src/React/.gitattributes
index d49b3ecd1dd..ec2de4be5f0 100644
--- a/src/React/.gitattributes
+++ b/src/React/.gitattributes
@@ -1,5 +1,4 @@
-/.gitattributes export-ignore
-/.gitignore export-ignore
+/.git* export-ignore
 /.symfony.bundle.yaml export-ignore
 /assets/src export-ignore
 /assets/test export-ignore
diff --git a/src/React/.github/PULL_REQUEST_TEMPLATE.md b/src/React/.github/PULL_REQUEST_TEMPLATE.md
new file mode 100644
index 00000000000..df3b474b452
--- /dev/null
+++ b/src/React/.github/PULL_REQUEST_TEMPLATE.md
@@ -0,0 +1,8 @@
+Please do not submit any Pull Requests here. They will be closed.
+---
+
+Please submit your PR here instead:
+https://github.com/symfony/ux
+
+This repository is what we call a "subtree split": a read-only subset of that main repository.
+We're looking forward to your PR there!
diff --git a/src/React/.github/workflows/close-pull-request.yml b/src/React/.github/workflows/close-pull-request.yml
new file mode 100644
index 00000000000..57e4e3fb074
--- /dev/null
+++ b/src/React/.github/workflows/close-pull-request.yml
@@ -0,0 +1,20 @@
+name: Close Pull Request
+
+on:
+  pull_request_target:
+    types: [opened]
+
+jobs:
+  run:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: superbrothers/close-pull-request@v3
+        with:
+          comment: |
+            Thanks for your Pull Request! We love contributions.
+            
+            However, you should instead open your PR on the main repository:
+            https://github.com/symfony/ux
+            
+            This repository is what we call a "subtree split": a read-only subset of that main repository.
+            We're looking forward to your PR there!
diff --git a/src/StimulusBundle/.gitattributes b/src/StimulusBundle/.gitattributes
index 61e8a87a6ac..b9bb8f6e796 100644
--- a/src/StimulusBundle/.gitattributes
+++ b/src/StimulusBundle/.gitattributes
@@ -1,5 +1,4 @@
-/.gitattributes export-ignore
-/.gitignore export-ignore
+/.git* export-ignore
 /.symfony.bundle.yaml export-ignore
 /assets/src export-ignore
 /assets/test export-ignore
diff --git a/src/StimulusBundle/.github/PULL_REQUEST_TEMPLATE.md b/src/StimulusBundle/.github/PULL_REQUEST_TEMPLATE.md
new file mode 100644
index 00000000000..df3b474b452
--- /dev/null
+++ b/src/StimulusBundle/.github/PULL_REQUEST_TEMPLATE.md
@@ -0,0 +1,8 @@
+Please do not submit any Pull Requests here. They will be closed.
+---
+
+Please submit your PR here instead:
+https://github.com/symfony/ux
+
+This repository is what we call a "subtree split": a read-only subset of that main repository.
+We're looking forward to your PR there!
diff --git a/src/StimulusBundle/.github/workflows/close-pull-request.yml b/src/StimulusBundle/.github/workflows/close-pull-request.yml
new file mode 100644
index 00000000000..57e4e3fb074
--- /dev/null
+++ b/src/StimulusBundle/.github/workflows/close-pull-request.yml
@@ -0,0 +1,20 @@
+name: Close Pull Request
+
+on:
+  pull_request_target:
+    types: [opened]
+
+jobs:
+  run:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: superbrothers/close-pull-request@v3
+        with:
+          comment: |
+            Thanks for your Pull Request! We love contributions.
+            
+            However, you should instead open your PR on the main repository:
+            https://github.com/symfony/ux
+            
+            This repository is what we call a "subtree split": a read-only subset of that main repository.
+            We're looking forward to your PR there!
diff --git a/src/Svelte/.gitattributes b/src/Svelte/.gitattributes
index d49b3ecd1dd..ec2de4be5f0 100644
--- a/src/Svelte/.gitattributes
+++ b/src/Svelte/.gitattributes
@@ -1,5 +1,4 @@
-/.gitattributes export-ignore
-/.gitignore export-ignore
+/.git* export-ignore
 /.symfony.bundle.yaml export-ignore
 /assets/src export-ignore
 /assets/test export-ignore
diff --git a/src/Svelte/.github/PULL_REQUEST_TEMPLATE.md b/src/Svelte/.github/PULL_REQUEST_TEMPLATE.md
new file mode 100644
index 00000000000..df3b474b452
--- /dev/null
+++ b/src/Svelte/.github/PULL_REQUEST_TEMPLATE.md
@@ -0,0 +1,8 @@
+Please do not submit any Pull Requests here. They will be closed.
+---
+
+Please submit your PR here instead:
+https://github.com/symfony/ux
+
+This repository is what we call a "subtree split": a read-only subset of that main repository.
+We're looking forward to your PR there!
diff --git a/src/Svelte/.github/workflows/close-pull-request.yml b/src/Svelte/.github/workflows/close-pull-request.yml
new file mode 100644
index 00000000000..57e4e3fb074
--- /dev/null
+++ b/src/Svelte/.github/workflows/close-pull-request.yml
@@ -0,0 +1,20 @@
+name: Close Pull Request
+
+on:
+  pull_request_target:
+    types: [opened]
+
+jobs:
+  run:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: superbrothers/close-pull-request@v3
+        with:
+          comment: |
+            Thanks for your Pull Request! We love contributions.
+            
+            However, you should instead open your PR on the main repository:
+            https://github.com/symfony/ux
+            
+            This repository is what we call a "subtree split": a read-only subset of that main repository.
+            We're looking forward to your PR there!
diff --git a/src/Swup/.gitattributes b/src/Swup/.gitattributes
index 254b1adb60c..3c8401b61de 100644
--- a/src/Swup/.gitattributes
+++ b/src/Swup/.gitattributes
@@ -1,5 +1,4 @@
-/.gitattributes export-ignore
-/.gitignore export-ignore
+/.git* export-ignore
 /.symfony.bundle.yaml export-ignore
 /assets/src export-ignore
 /assets/test export-ignore
diff --git a/src/Swup/.github/PULL_REQUEST_TEMPLATE.md b/src/Swup/.github/PULL_REQUEST_TEMPLATE.md
new file mode 100644
index 00000000000..df3b474b452
--- /dev/null
+++ b/src/Swup/.github/PULL_REQUEST_TEMPLATE.md
@@ -0,0 +1,8 @@
+Please do not submit any Pull Requests here. They will be closed.
+---
+
+Please submit your PR here instead:
+https://github.com/symfony/ux
+
+This repository is what we call a "subtree split": a read-only subset of that main repository.
+We're looking forward to your PR there!
diff --git a/src/Swup/.github/workflows/close-pull-request.yml b/src/Swup/.github/workflows/close-pull-request.yml
new file mode 100644
index 00000000000..57e4e3fb074
--- /dev/null
+++ b/src/Swup/.github/workflows/close-pull-request.yml
@@ -0,0 +1,20 @@
+name: Close Pull Request
+
+on:
+  pull_request_target:
+    types: [opened]
+
+jobs:
+  run:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: superbrothers/close-pull-request@v3
+        with:
+          comment: |
+            Thanks for your Pull Request! We love contributions.
+            
+            However, you should instead open your PR on the main repository:
+            https://github.com/symfony/ux
+            
+            This repository is what we call a "subtree split": a read-only subset of that main repository.
+            We're looking forward to your PR there!
diff --git a/src/TogglePassword/.gitattributes b/src/TogglePassword/.gitattributes
index 73107b138e0..6dfda816e4b 100644
--- a/src/TogglePassword/.gitattributes
+++ b/src/TogglePassword/.gitattributes
@@ -1,5 +1,4 @@
-/.gitattributes export-ignore
-/.gitignore export-ignore
+/.git* export-ignore
 /.symfony.bundle.yaml export-ignore
 /phpunit.xml.dist export-ignore
 /assets/src export-ignore
diff --git a/src/TogglePassword/.github/PULL_REQUEST_TEMPLATE.md b/src/TogglePassword/.github/PULL_REQUEST_TEMPLATE.md
new file mode 100644
index 00000000000..df3b474b452
--- /dev/null
+++ b/src/TogglePassword/.github/PULL_REQUEST_TEMPLATE.md
@@ -0,0 +1,8 @@
+Please do not submit any Pull Requests here. They will be closed.
+---
+
+Please submit your PR here instead:
+https://github.com/symfony/ux
+
+This repository is what we call a "subtree split": a read-only subset of that main repository.
+We're looking forward to your PR there!
diff --git a/src/TogglePassword/.github/workflows/close-pull-request.yml b/src/TogglePassword/.github/workflows/close-pull-request.yml
new file mode 100644
index 00000000000..57e4e3fb074
--- /dev/null
+++ b/src/TogglePassword/.github/workflows/close-pull-request.yml
@@ -0,0 +1,20 @@
+name: Close Pull Request
+
+on:
+  pull_request_target:
+    types: [opened]
+
+jobs:
+  run:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: superbrothers/close-pull-request@v3
+        with:
+          comment: |
+            Thanks for your Pull Request! We love contributions.
+            
+            However, you should instead open your PR on the main repository:
+            https://github.com/symfony/ux
+            
+            This repository is what we call a "subtree split": a read-only subset of that main repository.
+            We're looking forward to your PR there!
diff --git a/src/Translator/.gitattributes b/src/Translator/.gitattributes
index 73107b138e0..6dfda816e4b 100644
--- a/src/Translator/.gitattributes
+++ b/src/Translator/.gitattributes
@@ -1,5 +1,4 @@
-/.gitattributes export-ignore
-/.gitignore export-ignore
+/.git* export-ignore
 /.symfony.bundle.yaml export-ignore
 /phpunit.xml.dist export-ignore
 /assets/src export-ignore
diff --git a/src/Translator/.github/PULL_REQUEST_TEMPLATE.md b/src/Translator/.github/PULL_REQUEST_TEMPLATE.md
new file mode 100644
index 00000000000..df3b474b452
--- /dev/null
+++ b/src/Translator/.github/PULL_REQUEST_TEMPLATE.md
@@ -0,0 +1,8 @@
+Please do not submit any Pull Requests here. They will be closed.
+---
+
+Please submit your PR here instead:
+https://github.com/symfony/ux
+
+This repository is what we call a "subtree split": a read-only subset of that main repository.
+We're looking forward to your PR there!
diff --git a/src/Translator/.github/workflows/close-pull-request.yml b/src/Translator/.github/workflows/close-pull-request.yml
new file mode 100644
index 00000000000..57e4e3fb074
--- /dev/null
+++ b/src/Translator/.github/workflows/close-pull-request.yml
@@ -0,0 +1,20 @@
+name: Close Pull Request
+
+on:
+  pull_request_target:
+    types: [opened]
+
+jobs:
+  run:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: superbrothers/close-pull-request@v3
+        with:
+          comment: |
+            Thanks for your Pull Request! We love contributions.
+            
+            However, you should instead open your PR on the main repository:
+            https://github.com/symfony/ux
+            
+            This repository is what we call a "subtree split": a read-only subset of that main repository.
+            We're looking forward to your PR there!
diff --git a/src/Turbo/.gitattributes b/src/Turbo/.gitattributes
index 91c1f350993..cf5f476ad70 100644
--- a/src/Turbo/.gitattributes
+++ b/src/Turbo/.gitattributes
@@ -1,5 +1,4 @@
-/.gitattributes export-ignore
-/.gitignore export-ignore
+/.git* export-ignore
 /.symfony.bundle.yaml export-ignore
 /phpunit.xml.dist export-ignore
 /phpstan.neon.dist export-ignore
diff --git a/src/Turbo/.github/PULL_REQUEST_TEMPLATE.md b/src/Turbo/.github/PULL_REQUEST_TEMPLATE.md
new file mode 100644
index 00000000000..df3b474b452
--- /dev/null
+++ b/src/Turbo/.github/PULL_REQUEST_TEMPLATE.md
@@ -0,0 +1,8 @@
+Please do not submit any Pull Requests here. They will be closed.
+---
+
+Please submit your PR here instead:
+https://github.com/symfony/ux
+
+This repository is what we call a "subtree split": a read-only subset of that main repository.
+We're looking forward to your PR there!
diff --git a/src/Turbo/.github/workflows/close-pull-request.yml b/src/Turbo/.github/workflows/close-pull-request.yml
new file mode 100644
index 00000000000..57e4e3fb074
--- /dev/null
+++ b/src/Turbo/.github/workflows/close-pull-request.yml
@@ -0,0 +1,20 @@
+name: Close Pull Request
+
+on:
+  pull_request_target:
+    types: [opened]
+
+jobs:
+  run:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: superbrothers/close-pull-request@v3
+        with:
+          comment: |
+            Thanks for your Pull Request! We love contributions.
+            
+            However, you should instead open your PR on the main repository:
+            https://github.com/symfony/ux
+            
+            This repository is what we call a "subtree split": a read-only subset of that main repository.
+            We're looking forward to your PR there!
diff --git a/src/TwigComponent/.gitattributes b/src/TwigComponent/.gitattributes
index 80dad561fcb..1e0e0391874 100644
--- a/src/TwigComponent/.gitattributes
+++ b/src/TwigComponent/.gitattributes
@@ -1,5 +1,4 @@
-/.gitattributes export-ignore
-/.gitignore export-ignore
+/.git* export-ignore
 /.symfony.bundle.yaml export-ignore
 /alert-example.png export-ignore
 /phpunit.xml.dist export-ignore
diff --git a/src/TwigComponent/.github/PULL_REQUEST_TEMPLATE.md b/src/TwigComponent/.github/PULL_REQUEST_TEMPLATE.md
new file mode 100644
index 00000000000..df3b474b452
--- /dev/null
+++ b/src/TwigComponent/.github/PULL_REQUEST_TEMPLATE.md
@@ -0,0 +1,8 @@
+Please do not submit any Pull Requests here. They will be closed.
+---
+
+Please submit your PR here instead:
+https://github.com/symfony/ux
+
+This repository is what we call a "subtree split": a read-only subset of that main repository.
+We're looking forward to your PR there!
diff --git a/src/TwigComponent/.github/workflows/close-pull-request.yml b/src/TwigComponent/.github/workflows/close-pull-request.yml
new file mode 100644
index 00000000000..57e4e3fb074
--- /dev/null
+++ b/src/TwigComponent/.github/workflows/close-pull-request.yml
@@ -0,0 +1,20 @@
+name: Close Pull Request
+
+on:
+  pull_request_target:
+    types: [opened]
+
+jobs:
+  run:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: superbrothers/close-pull-request@v3
+        with:
+          comment: |
+            Thanks for your Pull Request! We love contributions.
+            
+            However, you should instead open your PR on the main repository:
+            https://github.com/symfony/ux
+            
+            This repository is what we call a "subtree split": a read-only subset of that main repository.
+            We're looking forward to your PR there!
diff --git a/src/Typed/.gitattributes b/src/Typed/.gitattributes
index 254b1adb60c..3c8401b61de 100644
--- a/src/Typed/.gitattributes
+++ b/src/Typed/.gitattributes
@@ -1,5 +1,4 @@
-/.gitattributes export-ignore
-/.gitignore export-ignore
+/.git* export-ignore
 /.symfony.bundle.yaml export-ignore
 /assets/src export-ignore
 /assets/test export-ignore
diff --git a/src/Typed/.github/PULL_REQUEST_TEMPLATE.md b/src/Typed/.github/PULL_REQUEST_TEMPLATE.md
new file mode 100644
index 00000000000..df3b474b452
--- /dev/null
+++ b/src/Typed/.github/PULL_REQUEST_TEMPLATE.md
@@ -0,0 +1,8 @@
+Please do not submit any Pull Requests here. They will be closed.
+---
+
+Please submit your PR here instead:
+https://github.com/symfony/ux
+
+This repository is what we call a "subtree split": a read-only subset of that main repository.
+We're looking forward to your PR there!
diff --git a/src/Typed/.github/workflows/close-pull-request.yml b/src/Typed/.github/workflows/close-pull-request.yml
new file mode 100644
index 00000000000..57e4e3fb074
--- /dev/null
+++ b/src/Typed/.github/workflows/close-pull-request.yml
@@ -0,0 +1,20 @@
+name: Close Pull Request
+
+on:
+  pull_request_target:
+    types: [opened]
+
+jobs:
+  run:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: superbrothers/close-pull-request@v3
+        with:
+          comment: |
+            Thanks for your Pull Request! We love contributions.
+            
+            However, you should instead open your PR on the main repository:
+            https://github.com/symfony/ux
+            
+            This repository is what we call a "subtree split": a read-only subset of that main repository.
+            We're looking forward to your PR there!
diff --git a/src/Vue/.gitattributes b/src/Vue/.gitattributes
index d49b3ecd1dd..ec2de4be5f0 100644
--- a/src/Vue/.gitattributes
+++ b/src/Vue/.gitattributes
@@ -1,5 +1,4 @@
-/.gitattributes export-ignore
-/.gitignore export-ignore
+/.git* export-ignore
 /.symfony.bundle.yaml export-ignore
 /assets/src export-ignore
 /assets/test export-ignore
diff --git a/src/Vue/.github/PULL_REQUEST_TEMPLATE.md b/src/Vue/.github/PULL_REQUEST_TEMPLATE.md
new file mode 100644
index 00000000000..df3b474b452
--- /dev/null
+++ b/src/Vue/.github/PULL_REQUEST_TEMPLATE.md
@@ -0,0 +1,8 @@
+Please do not submit any Pull Requests here. They will be closed.
+---
+
+Please submit your PR here instead:
+https://github.com/symfony/ux
+
+This repository is what we call a "subtree split": a read-only subset of that main repository.
+We're looking forward to your PR there!
diff --git a/src/Vue/.github/workflows/close-pull-request.yml b/src/Vue/.github/workflows/close-pull-request.yml
new file mode 100644
index 00000000000..57e4e3fb074
--- /dev/null
+++ b/src/Vue/.github/workflows/close-pull-request.yml
@@ -0,0 +1,20 @@
+name: Close Pull Request
+
+on:
+  pull_request_target:
+    types: [opened]
+
+jobs:
+  run:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: superbrothers/close-pull-request@v3
+        with:
+          comment: |
+            Thanks for your Pull Request! We love contributions.
+            
+            However, you should instead open your PR on the main repository:
+            https://github.com/symfony/ux
+            
+            This repository is what we call a "subtree split": a read-only subset of that main repository.
+            We're looking forward to your PR there!