From 6da8a87df33a36ca861f3aa92b00704e4e290bd5 Mon Sep 17 00:00:00 2001
From: Matteo Collina <hello@matteocollina.com>
Date: Tue, 10 Mar 2026 09:52:30 +0000
Subject: [PATCH 1/2] docs: clarify typed cors registration

---
 README.md             | 2 ++
 types/index.test-d.ts | 2 +-
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/README.md b/README.md
index b241243..cb2c660 100644
--- a/README.md
+++ b/README.md
@@ -11,6 +11,8 @@
 npm i @fastify/cors
 ```
 
+TypeScript note: `@fastify/cors` does not add Fastify decorators, so registering it preserves the existing instance, request, and reply shapes.
+
 ### Compatibility
 
 | Plugin version | Fastify version |
diff --git a/types/index.test-d.ts b/types/index.test-d.ts
index 4040e66..262858a 100644
--- a/types/index.test-d.ts
+++ b/types/index.test-d.ts
@@ -11,7 +11,7 @@ import fastifyCors, {
 
 const app = fastify()
 
-app.register(fastifyCors)
+expectType<typeof app>(app.register(fastifyCors))
 
 app.register(fastifyCors, {
   origin: true,

From 93b9a9c9987f29a10f18133d7df67f92f4c25f88 Mon Sep 17 00:00:00 2001
From: Matteo Collina <hello@matteocollina.com>
Date: Sun, 15 Mar 2026 17:41:12 +0000
Subject: [PATCH 2/2] ci: pin fastify dev dependency to typed-decorators branch

---
 package.json | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/package.json b/package.json
index 5553632..2663da2 100644
--- a/package.json
+++ b/package.json
@@ -63,7 +63,7 @@
     "c8": "^11.0.0",
     "cors": "^2.8.5",
     "eslint": "^9.17.0",
-    "fastify": "^5.0.0",
+    "fastify": "github:fastify/fastify#feat/typed-decorators",
     "neostandard": "^0.12.0",
     "tsd": "^0.33.0",
     "typescript": "~5.9.2"