diff --git a/CHANGELOG.md b/CHANGELOG.md
index a08df41984aecb0f2a0f32bb5f9b3b05da096e22..aaace618e1ba063ee7ddd13148c96da71607f9f3 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,7 +4,7 @@ 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]
+## [v0.4.0-rc1] - 2021-06-16
 
 ### Added (for new features, dependecies etc.)
 
@@ -50,7 +50,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Security (in case of vulnerabilities)
 
-## [v0.3.1]- 2021-06-15
+## [v0.3.1] - 2021-06-15
 
 This is the last Bootstrap-3 compatible release.
 
diff --git a/src/ext/js/fileupload.js b/src/core/js/fileupload.js
similarity index 100%
rename from src/ext/js/fileupload.js
rename to src/core/js/fileupload.js