From 667adc80677a335ae78823d085e15518bab6866c Mon Sep 17 00:00:00 2001
From: Jacob Ebey <jacob.ebey@live.com>
Date: Tue, 23 Sep 2025 16:40:22 -0700
Subject: [PATCH 1/2] disable compression for RSC responses for now

---
 .changeset/nice-apples-burn.md     |  5 +++++
 packages/react-router-serve/cli.ts | 11 ++++++++---
 2 files changed, 13 insertions(+), 3 deletions(-)
 create mode 100644 .changeset/nice-apples-burn.md

diff --git a/.changeset/nice-apples-burn.md b/.changeset/nice-apples-burn.md
new file mode 100644
index 0000000000..7d9559f56a
--- /dev/null
+++ b/.changeset/nice-apples-burn.md
@@ -0,0 +1,5 @@
+---
+"@react-router/serve": patch
+---
+
+disable compression for RSC responses for now
diff --git a/packages/react-router-serve/cli.ts b/packages/react-router-serve/cli.ts
index 598655f01b..77aa7efea6 100644
--- a/packages/react-router-serve/cli.ts
+++ b/packages/react-router-serve/cli.ts
@@ -105,16 +105,20 @@ async function run() {
 
   let app = express();
   app.disable("x-powered-by");
-  app.use(compression());
   app.use(
     path.posix.join(build.publicPath, "assets"),
+    compression(),
     express.static(path.join(build.assetsBuildDirectory, "assets"), {
       immutable: true,
       maxAge: "1y",
     }),
   );
-  app.use(build.publicPath, express.static(build.assetsBuildDirectory));
-  app.use(express.static("public", { maxAge: "1h" }));
+  app.use(
+    build.publicPath,
+    compression(),
+    express.static(build.assetsBuildDirectory),
+  );
+  app.use(compression(), express.static("public", { maxAge: "1h" }));
   app.use(morgan("tiny"));
 
   if (isRSCServerBuild(build)) {
@@ -122,6 +126,7 @@ async function run() {
   } else {
     app.all(
       "*",
+      compression(),
       createRequestHandler({
         build,
         mode: process.env.NODE_ENV,

From 60b116576274b2af4e0b4fbb028a3a6a0649946d Mon Sep 17 00:00:00 2001
From: Matt Brophy <matt@brophy.org>
Date: Wed, 24 Sep 2025 10:01:08 -0400
Subject: [PATCH 2/2] Simplify approach to just on or off completely

---
 packages/react-router-serve/cli.ts | 15 +++++++--------
 1 file changed, 7 insertions(+), 8 deletions(-)

diff --git a/packages/react-router-serve/cli.ts b/packages/react-router-serve/cli.ts
index 77aa7efea6..015f94dda2 100644
--- a/packages/react-router-serve/cli.ts
+++ b/packages/react-router-serve/cli.ts
@@ -105,20 +105,20 @@ async function run() {
 
   let app = express();
   app.disable("x-powered-by");
+
+  if (!isRSCServerBuild(build)) {
+    app.use(compression());
+  }
+
   app.use(
     path.posix.join(build.publicPath, "assets"),
-    compression(),
     express.static(path.join(build.assetsBuildDirectory, "assets"), {
       immutable: true,
       maxAge: "1y",
     }),
   );
-  app.use(
-    build.publicPath,
-    compression(),
-    express.static(build.assetsBuildDirectory),
-  );
-  app.use(compression(), express.static("public", { maxAge: "1h" }));
+  app.use(build.publicPath, express.static(build.assetsBuildDirectory));
+  app.use(express.static("public", { maxAge: "1h" }));
   app.use(morgan("tiny"));
 
   if (isRSCServerBuild(build)) {
@@ -126,7 +126,6 @@ async function run() {
   } else {
     app.all(
       "*",
-      compression(),
       createRequestHandler({
         build,
         mode: process.env.NODE_ENV,