Version 1.20.0

Merge 6e5e3cd0b1b46421e988b85f0d3e154febecce14 into stable
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7a38288..a1e24aa 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,4 +1,4 @@
-## 1.20.0
+## 1.20.0 - 2016-10-11
 
 ### Dart VM
 
@@ -124,7 +124,14 @@
     a `packages/` directory in addition to the package spec, use the
     `--packages-dir` flag with `pub get`, `pub upgrade`, and `pub downgrade`.
 
-## 1.19.0
+## 1.19.1 - 2016-09-08
+
+Patch release, resolves one issue:
+
+* Dartdoc:  Fixes a bug that prevented generation of docs
+(Dartdoc issue [1233](https://github.com/dart-lang/dartdoc/issues/1233))
+
+## 1.19.0 - 2016-08-26
 
 ### Language changes
 
diff --git a/tools/VERSION b/tools/VERSION
index d09fa55..fc4cff7 100644
--- a/tools/VERSION
+++ b/tools/VERSION
@@ -23,9 +23,9 @@
 #  * Making cherry-picks to stable channel
 #     - increase PATCH by 1
 #
-CHANNEL dev
+CHANNEL stable
 MAJOR 1
 MINOR 20
 PATCH 0
-PRERELEASE 10
-PRERELEASE_PATCH 2
+PRERELEASE 0
+PRERELEASE_PATCH 0