diff --git a/doc/release-notes.md b/doc/release-notes.md
--- a/doc/release-notes.md
+++ b/doc/release-notes.md
@@ -3,3 +3,5 @@
   <https://download.bitcoinabc.org/0.21.7/>
 
 This release includes the following features and fixes:
+ - Improved performance of JSON RPC calls by ~25%
+ - Minor stability improvements.