Version 2.0.0-dev.56.0

Merge commit '0ff6c20c6660bd123c49fb09d09994577e3de097' into dev
diff --git a/CHANGELOG.md b/CHANGELOG.md
index e876eeb..563a2fb 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,4 @@
-## 2.0.0-dev.XX.0
-(Add new changes here, and they will be copied to the
- change section for the next dev version)
+## 2.0.0-dev.56.0
 
 ### Language
 
@@ -28,9 +26,6 @@
 }
 ```
 
-
-#### Strong Mode
-
 ### Core library changes
 
 * `dart:core`
@@ -44,18 +39,12 @@
   * Added `X509Certificate.der`, `X509Certificate.pem`, and
     `X509Certificate.sha1`.
 
-### Dart VM
-
 ### Tool Changes
 
 #### dartfmt
 
   * Support metadata annotations on enum cases.
 
-#### Pub
-
-#### Other Tools
-
 ## 2.0.0-dev.55.0
 
 ### Language
diff --git a/tools/VERSION b/tools/VERSION
index a3f39d7..b7ef033 100644
--- a/tools/VERSION
+++ b/tools/VERSION
@@ -23,9 +23,9 @@
 #  * Making cherry-picks to stable channel
 #     - increase PATCH by 1
 #
-CHANNEL be
+CHANNEL dev
 MAJOR 2
 MINOR 0
 PATCH 0
-PRERELEASE 0
+PRERELEASE 56
 PRERELEASE_PATCH 0