diff --git a/CHANGELOG-2.1.md b/CHANGELOG-2.1.md
index 1e751e3405..41efa05e07 100644
--- a/CHANGELOG-2.1.md
+++ b/CHANGELOG-2.1.md
@@ -394,35 +394,6 @@ To get the diff between two versions, go to https://github.com/symfony/symfony/c
* `ObjectIdentity::fromDomainObject`, `UserSecurityIdentity::fromAccount` and `UserSecurityIdentity::fromToken` now return
correct identities for proxies objects (e.g. Doctrine proxies)
-### Serializer
-
- * [BC BREAK] changed `GetSetMethodNormalizer`'s key names from all lowercased to camelCased (e.g. `mypropertyvalue` to `myPropertyValue`)
- * [BC BREAK] convert the `item` XML tag to an array
-
- ``` xml
-
-
-
-
- ```
-
- Before:
-
- Array()
-
- After:
-
- Array(
- [item] => Array(
- [0] => Array(
- [title] => title1
- )
- [1] => Array(
- [title] => title2
- )
- )
- )
-
### Validator
* added support for `ctype_*` assertions in `TypeValidator`
diff --git a/src/Symfony/Component/Serializer/CHANGELOG.md b/src/Symfony/Component/Serializer/CHANGELOG.md
new file mode 100644
index 0000000000..de46533563
--- /dev/null
+++ b/src/Symfony/Component/Serializer/CHANGELOG.md
@@ -0,0 +1,44 @@
+CHANGELOG
+=========
+
+2.1.0
+-----
+
+ * added DecoderInterface::supportsDecoding(),
+ EncoderInterface::supportsEncoding()
+ * removed NormalizableInterface::denormalize(),
+ NormalizerInterface::denormalize(),
+ NormalizerInterface::supportsDenormalization()
+ * removed normalize() denormalize() encode() decode() supportsSerialization()
+ supportsDeserialization() supportsEncoding() supportsDecoding()
+ getEncoder() from SerializerInterface
+ * Serializer now implements NormalizerInterface, DenormalizerInterface,
+ EncoderInterface, DecoderInterface in addition to SerializerInterface
+ * added DenormalizableInterface and DenormalizerInterface
+ * [BC BREAK] changed `GetSetMethodNormalizer`'s key names from all lowercased
+ to camelCased (e.g. `mypropertyvalue` to `myPropertyValue`)
+ * [BC BREAK] convert the `item` XML tag to an array
+
+ ``` xml
+
+
+
+
+ ```
+
+ Before:
+
+ Array()
+
+ After:
+
+ Array(
+ [item] => Array(
+ [0] => Array(
+ [title] => title1
+ )
+ [1] => Array(
+ [title] => title2
+ )
+ )
+ )