diff --git a/CHANGELOG.md b/CHANGELOG.md
index ea0a3b6..29f220f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,8 +1,4 @@
-## 2.2.1-dev.XX.0
-(Add new changes here, and they will be copied to the change section for the
-  next dev version)
-
-### Language
+## 2.2.1-dev.3.0
 
 ### Core library changes
 
@@ -12,7 +8,35 @@
 * Added `debugName` optional parameter to `Isolate.spawn` and
   `Isolate.spawnUri`.
 
-### Dart VM
+### Tool Changes
+
+#### dartfmt
+
+* Tweak set literal formatting to follow other collection literals.
+* Add support for "UI as code" features.
+
+#### Linter
+
+The Linter was updated to `0.1.83` which includes the following changes:
+
+* updated `file_names` to skip prefixed-extension Dart files (e.g., `.css.dart`, `.g.dart`)
+* updated SDK constraint to `2.2.0`
+* miscellaneous rule documentation fixes
+* (internal) updated sources to use Set literals
+* fixed NPE in `avoid_shadowing_type_parameters`
+* added linter version numbering for use in analyzer summaries
+* fixed type utilities to handle inheritance cycles
+* (internal) changes to adopt new `package:analyzer` APIs
+* fixed `unnecessary_parenthesis` false positives
+
+## 2.2.1-dev.2.0
+
+## 2.2.1-dev.1.1
+
+* Cherry-pick 567d552de8ff93d704111467e7f3bf3b896ab684 to dev
+* Cherry-pick 4ca57befd707a0309e384472a566c084eef0e56e to dev
+
+## 2.2.1-dev.1.0
 
 * Support for deprecated flags '-c' and '--checked' has been removed
 * RegExp patterns can now use lookbehind assertions.
@@ -65,26 +89,11 @@
 
 [visualizer]: https://dart-lang.github.io/dump-info-visualizer/
 
-#### dartfmt
+## 2.2.1-dev.0.0
 
-* Tweak set literal formatting to follow other collection literals.
-* Add support for "UI as code" features.
-
-#### Linter
-
-The Linter was updated to `0.1.83` which includes the following changes:
-
-* updated `file_names` to skip prefixed-extension Dart files (e.g., `.css.dart`, `.g.dart`)
-* updated SDK constraint to `2.2.0`
-* miscellaneous rule documentation fixes
-* (internal) updated sources to use Set literals
-* fixed NPE in `avoid_shadowing_type_parameters`
-* added linter version numbering for use in analyzer summaries
-* fixed type utilities to handle inheritance cycles
-* (internal) changes to adopt new `package:analyzer` APIs
-* fixed `unnecessary_parenthesis` false positives
-
-#### Other Tools
+* Cherry-pick 6f8415245d4dd298730facf83e03de69fc29bbd3 to dev
+* Cherry-pick e7d263b05f7f66d15f778df60ee60625e9a3c5f4 to dev
+* Cherry-pick dc8a56bc0ece296915c7016e0a8241c7068eca18 to dev
 
 ## 2.2.0 - 2019-02-26
 
diff --git a/tools/VERSION b/tools/VERSION
index 100093a..46b49af 100644
--- a/tools/VERSION
+++ b/tools/VERSION
@@ -29,11 +29,11 @@
 #  * Deprecating an old ABI version:
 #     - increase OLDEST_SUPPORTED_ABI_VERSION to the version that is supported.
 #
-CHANNEL be
+CHANNEL dev
 MAJOR 2
 MINOR 2
 PATCH 1
-PRERELEASE 0
+PRERELEASE 3
 PRERELEASE_PATCH 0
 ABI_VERSION 1
 OLDEST_SUPPORTED_ABI_VERSION 0