Release 0.12.10.

R=kevmoo@google.com

Review URL: https://codereview.chromium.org//1673493002 .
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8461008..72ac7a9 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+## 0.12.10
+
+* Add support for a package-level configuration file called `dart_test.yaml`.
+
 ## 0.12.9
 
 * Add `SuiteEvent` to the JSON reporter, which reports data about the suites in
diff --git a/doc/package_config.md b/doc/package_config.md
index c48e575..e13824b 100644
--- a/doc/package_config.md
+++ b/doc/package_config.md
@@ -17,6 +17,15 @@
 ```
 
 * [Config Fields](#config-fields)
+  * [`paths`](#paths)
+  * [`filename`](#filename)
+  * [`platforms`](#platforms)
+  * [`concurrency`](#concurrency)
+  * [`pub_serve`](#pub_serve)
+  * [`timeout`](#timeout)
+  * [`reporter`](#reporter)
+  * [`verbose_trace`](#verbose_trace)
+  * [`js_trace`](#js_trace)
 
 ## Config Fields
 
diff --git a/pubspec.yaml b/pubspec.yaml
index 5410807..74eab80 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,5 +1,5 @@
 name: test
-version: 0.12.10-dev
+version: 0.12.10
 author: Dart Team <misc@dartlang.org>
 description: A library for writing dart unit tests.
 homepage: https://github.com/dart-lang/test