Updated changelog.

CHANGELOG.md

@@ -5,10 +5,18 @@ 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).
 
-## [0.3.0] - 2022-12-01
+--------
 
-### Added 
+## [0.1.0] - 2023-04-17
+
+### Added
+
+#### Tutorial Notebook Updates
+
+* Application Service Tutorial Notebook — Courtesy of U-ADS (James and Masha) (See Application Registry below).
+* Cleanup of Sounder SIPS Tutorial Jobs Notebook — Updated instructions and terminology, showcasing how to deploy a process using a JSON payload (was removed previously).
+
+#### Application Registry
+* [unity-ads-deployment #79](https://github.com/unity-sds/unity-ads-deployment/issues/79) Add Dockstore API access to Unity.py
+* [unity-ads-deployment #87](https://github.com/unity-sds/unity-ads-deployment/issues/87) Convert Unity.py Application Package API to use Hosted Workflows
 
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