From b99beafaaa5a22129a0916a77684c2545982f49c Mon Sep 17 00:00:00 2001
From: Brian Li <blidd@google.com>
Date: Tue, 14 Nov 2023 14:09:08 -0500
Subject: [PATCH 1/2] revert enabling preferrest by default

---
 src/functions/env.ts | 1 -
 1 file changed, 1 deletion(-)

diff --git a/src/functions/env.ts b/src/functions/env.ts
index 92cc4f19492..b640aff443e 100644
--- a/src/functions/env.ts
+++ b/src/functions/env.ts
@@ -410,6 +410,5 @@ export function loadFirebaseEnvs(
   return {
     FIREBASE_CONFIG: JSON.stringify(firebaseConfig),
     GCLOUD_PROJECT: projectId,
-    FIRESTORE_PREFER_REST: "true",
   };
 }

From dce62b0a70380c06cea9b190d0e07768c72347eb Mon Sep 17 00:00:00 2001
From: Brian Li <blidd@google.com>
Date: Tue, 14 Nov 2023 14:35:09 -0500
Subject: [PATCH 2/2] update changelog

---
 CHANGELOG.md | 1 +
 1 file changed, 1 insertion(+)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index e071ec93eb6..780aa2b2164 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,2 +1,3 @@
+- Revert enabling preferRest by default to avoid performance degradations for some users (#6520).
 - Fix blocking functions in the emulator when using multiple codebases (#6504).
 - Add force flag call-out for bypassing prompts (#6506).