Update Changelog.md

Update Changelog.md

Author: MarcoRossignoli

Documentation/Changelog.md

@@ -4,6 +4,13 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## Unreleased
+
+### Fixed  
+
+-Fixed partially covered `await foreach` statement [#1107](https://github.com/coverlet-coverage/coverlet/pull/1107) by https://github.com/alexthornton1  
+-Fixed `System.MissingMethodException`(TryGetIntArgFromDict) [#1101](https://github.com/coverlet-coverage/coverlet/pull/1101)
+
 ## Release date 2021-02-21
 ### Packages  
 coverlet.msbuild 3.0.3