Version 1.22.1

Cherry-pick 339d16fbc5d611fbbcf46235c290c615589ecc87 to stable
Cherry-pick 67a93da99eb11ada7d8267243c6824d5c67de91c to stable
Cherry-pick 031af9e89990d39ca73cfe8726ab018c038e8b7e to stable
Cherry-pick bbd687197bc96b4d7a0555d3f0cd0e1e64c2b672 to stable
diff --git a/CHANGELOG.md b/CHANGELOG.md
index a831e65..45a5ce4 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,11 @@
+## 1.22.1 - 2017-02-22
+
+Patch release, resolves two issues:
+* Dart VM crash: [Issue 28072](https://github.com/dart-lang/sdk/issues/28757)
+
+* Dart VM bug combining types, await, and deferred loading: [Issue 28678](https://github.com/dart-lang/sdk/issues/28678)
+
+
 ## 1.22.0 - 2017-02-14
 
 ### Language
diff --git a/tools/VERSION b/tools/VERSION
index 9b5dcb4..fceaa52 100644
--- a/tools/VERSION
+++ b/tools/VERSION
@@ -26,6 +26,6 @@
 CHANNEL stable
 MAJOR 1
 MINOR 22
-PATCH 0
+PATCH 1
 PRERELEASE 0
 PRERELEASE_PATCH 0