CHANGELOG.md in qa_server-7.3.0 vs CHANGELOG.md in qa_server-7.4.0

@@ -1,4 +1,8 @@
+### 7.4.0 (2020-04-13)
+
+* add size and complexity performance statistics (not auto-generated)
+
 ### 7.3.0 (2020-04-08)
 
 * move generation of graphs to background jobs
 
 ### 7.2.1 (2020-02-23)