Cleanup after v3.28.1 release

tf-release-bot · TeamCity · commit 6a5983338659 · 2019-06-05T21:15:27.000Z
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -1,3 +1,4 @@
+## 3.28.2 (Unreleased)
 ## 3.28.1 (June 05, 2019)
 
 ## Notes
