update CHANGELOG

CHANGELOG.md

@@ -4,6 +4,22 @@ Change Log
 All notable changes to this project will be documented in this file.
 This project adheres to [Semantic Versioning](http://semver.org/).
 
+## [v3.0.0-beta3]
+
+### Added
+- Docker `HEALTHCHECK`
+- Mouse-out delay to improve pop-up menu navigation
+- Support for configurable URL base path with `INBUCKET_WEB_BASEPATH`
+
+### Changed
+- Updated frontend and backend dependencies, Docker image base
+
+### Fixed
+- Improved layout on mobile and wide displays
+- Prevent unexpected input for modal dialogs
+- Allow empty SMTP `MAIL FROM:<>`
+
+
 ## [v3.0.0-beta2]
 
 ### Added
@@ -212,6 +228,7 @@ No change from beta1.
   specific message.
 
 [Unreleased]:  https://github.com/inbucket/inbucket/compare/master...develop
+[v3.0.0-beta3]: https://github.com/inbucket/inbucket/compare/v3.0.0-beta2...v3.0.0-beta3
 [v3.0.0-beta2]: https://github.com/inbucket/inbucket/compare/v3.0.0-beta1...v3.0.0-beta2
 [v3.0.0-beta1]: https://github.com/inbucket/inbucket/compare/v2.1.0...v3.0.0-beta1
 [v2.1.0-beta1]: https://github.com/inbucket/inbucket/compare/v2.0.0...v2.1.0-beta1