From f5f6a799d6b3675eecb0eaec7a816d746cd136b2 Mon Sep 17 00:00:00 2001
From: "Sachin D. Shinde" <sachin@apollographql.com>
Date: Mon, 8 Jul 2024 19:46:26 -0400
Subject: [PATCH] Add changeset entry

---
 .changeset/smooth-melons-study.md | 5 +++++
 1 file changed, 5 insertions(+)
 create mode 100644 .changeset/smooth-melons-study.md

diff --git a/.changeset/smooth-melons-study.md b/.changeset/smooth-melons-study.md
new file mode 100644
index 000000000..356142f7e
--- /dev/null
+++ b/.changeset/smooth-melons-study.md
@@ -0,0 +1,5 @@
+---
+"@apollo/composition": patch
+---
+
+Type merging now uses maps instead of sparsely-populated arrays for per-subgraph data.