From 58324738df5371995eab70bcbad74aa6f7842df3 Mon Sep 17 00:00:00 2001
From: Luc Talatinian <lucix@amazon.com>
Date: Mon, 11 Sep 2023 14:23:38 -0400
Subject: [PATCH] add changelog entry

---
 CHANGELOG_PENDING.md | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/CHANGELOG_PENDING.md b/CHANGELOG_PENDING.md
index 8a1927a39ca..79726b0ceb4 100644
--- a/CHANGELOG_PENDING.md
+++ b/CHANGELOG_PENDING.md
@@ -1,5 +1,7 @@
 ### SDK Features
 
 ### SDK Enhancements
+* `service/glacier`: Improve efficiency of tree hash algorithm
+  * Refactor tree hashing to reduce allocations.
 
 ### SDK Bugs