diff --git a/release_notes.txt b/release_notes.txt
index e8a59ae6ab..a2b48bea8f 100644
--- a/release_notes.txt
+++ b/release_notes.txt
@@ -1,3 +1,7 @@
+4.27.1:
+  - Added 'json' decoder for support for multiple JSON documents in a single file (e.g. NDJSON)
+  - Fixed XML decoding issue (#1284)
+
 4.26.1:
   - Switched to new expression parser (#1264)
   - Don't clobber anchor when adding nodes (#1269)