diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9400ece..353abcc 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,12 +1,16 @@
-## 1.12.0
+## 1.12.0 - 2015-08-31
 
 ### Language changes
 
 * Null-aware operators
-    * `??`: if null operator. `expr1 ?? expr2` evaluates to `expr1` if not `null`, otherwise `expr2`.
-    * `??=`: null-aware assignment. `v ??= expr` causes `v` to be assigned `expr` only if `v` is `null`.
-    * `x?.p`: null-aware access. `x?.p` evaluates to `x.p` if `x` is not `null`, otherwise evaluates to `null`.
-    * `x?.m()`: null-aware method invocation. `x?.m()` invokes `m` only if `x` is not `null`.
+    * `??`: if null operator. `expr1 ?? expr2` evaluates to `expr1` if
+      not `null`, otherwise `expr2`.
+    * `??=`: null-aware assignment. `v ??= expr` causes `v` to be assigned
+      `expr` only if `v` is `null`.
+    * `x?.p`: null-aware access. `x?.p` evaluates to `x.p` if `x` is not
+      `null`, otherwise evaluates to `null`.
+    * `x?.m()`: null-aware method invocation. `x?.m()` invokes `m` only
+      if `x` is not `null`.
 
 ### Core library changes
 
diff --git a/tools/VERSION b/tools/VERSION
index 0922b88..efd0bae 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 12
 PATCH 0
-PRERELEASE 5
-PRERELEASE_PATCH 10
+PRERELEASE 0
+PRERELEASE_PATCH 0