Changelog + doc changes

Author: mattsah

CHANGELOG.md

@@ -2,7 +2,7 @@
 
 All notable changes to this project will be documented in this file, in reverse chronological order by release.
 
-## 2.2.0 - TBD
+## 2.2.1 - TBD
 
 ### Added
 
@@ -24,6 +24,28 @@ All notable changes to this project will be documented in this file, in reverse
 
 - Nothing.
 
+## 2.2.0  - 2019-11-08
+
+### Added
+
+- [#377](https://github.com/zendframework/zend-diactoros/issues/377) enables UploadedFile to stand in and be used as an SplFileInfo object.
+
+### Changed
+
+- Nothing.
+
+### Deprecated
+
+- Nothing.
+
+### Removed
+
+- Nothing.
+
+### Fixed
+
+- Nothing.
+
 ## 2.1.6 - TBD
 
 ### Added
@@ -641,7 +663,7 @@ All notable changes to this project will be documented in this file, in reverse
 
 - [#293](https://github.com/zendframework/zend-diactoros/pull/293) updates
   `Uri::getHost()` to cast the value via `strtolower()` before returning it.
-  While this represents a change, it is fixing a bug in our implementation: 
+  While this represents a change, it is fixing a bug in our implementation:
   the PSR-7 specification for the method, which follows IETF RFC 3986 section
   3.2.2, requires that the host name be normalized to lowercase.
 

docs/book/v2/api.md

@@ -194,4 +194,6 @@ In most cases, you will not interact with the Stream object directly.
 and provides abstraction around a single uploaded file, including behavior for interacting with it
 as a stream or moving it to a filesystem location.
 
+Additionally, it extends PHP's build in `SplFileInfo` object in order to provide a compatible interface wherever such an object is needed.
+
 In most cases, you will only use the methods defined in the `UploadedFileInterface`.