CHANGELOG.md in groupdate-5.2.3 vs CHANGELOG.md in groupdate-5.2.4

@@ -1,4 +1,8 @@
+## 5.2.4 (2021-12-15)
+
+- Simplified queries for Active Record 7 and MySQL
+
 ## 5.2.3 (2021-12-06)
 
 - Fixed error and warnings with Active Record 7
 
 ## 5.2.2 (2021-02-08)