Add a changelog entry and bump the pubspec.
diff --git a/CHANGELOG.md b/CHANGELOG.md
index cc9005b..04d6eea 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,8 @@
+## 0.12.4+8
+
+* Don't compile tests to JavaScript when running via `pub serve` on Dartium or
+  content shell.
+
 ## 0.12.4+7
 
 * Support `http_parser` 1.0.0.
diff --git a/pubspec.yaml b/pubspec.yaml
index b917983..bedb824 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,5 +1,5 @@
 name: test
-version: 0.12.4+7
+version: 0.12.4+8
 author: Dart Team <misc@dartlang.org>
 description: A library for writing dart unit tests.
 homepage: https://github.com/dart-lang/test