prepare for 0.4.0 release

Author: letmaik

CHANGELOG.md

@@ -5,6 +5,8 @@ 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]
+
+## [0.4.0] - 2021-03-07
 ### Added
 - macOS support via [OBS Virtual Camera (built-in)](https://github.com/obsproject/obs-studio/releases/tag/26.0.0) (#16).
 - Linux support via [v4l2loopback](https://github.com/umlaeute/v4l2loopback) (#29).
@@ -60,7 +62,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Support for [OBS-VirtualCam](https://github.com/CatxFish/obs-virtual-cam).
 
 
-[Unreleased]: https://github.com/letmaik/pyvirtualcam/compare/v0.3.2...HEAD
+[Unreleased]: https://github.com/letmaik/pyvirtualcam/compare/v0.4.0...HEAD
+[0.4.0]: https://github.com/letmaik/pyvirtualcam/compare/v0.3.2...v0.4.0
 [0.3.2]: https://github.com/letmaik/pyvirtualcam/compare/v0.3.1...v0.3.2
 [0.3.1]: https://github.com/letmaik/pyvirtualcam/compare/v0.3.0...v0.3.1
 [0.3.0]: https://github.com/letmaik/pyvirtualcam/compare/v0.2.0...v0.3.0

pyvirtualcam/_version.py

@@ -1 +1 @@
-__version__ = "0.3.2"
+__version__ = "0.4.0"