Updated changelog.

See #3629

Author: mp911de

src/main/resources/changelog.txt

@@ -1,6 +1,12 @@
 Spring Data MongoDB Changelog
 =============================
 
+Changes in version 3.2.1 (2021-05-14)
+-------------------------------------
+* #3638 - Introduce template method for easier customization of fragments.
+* #3632 - Fix bullet points in aggregations framework asciidoc.
+
+
 Changes in version 3.1.9 (2021-05-14)
 -------------------------------------
 
@@ -3435,5 +3441,6 @@ Repository
 
 
 
+