UMG does not show up in viewport on HTML5 platform

Text UMG isn't showing up on HTML5 when it's packaged and ran on the browsers. This has only been seen on HTML5 so far.

1. Download Project: [Link Removed]
2. Run packaged HTML5 project in folder.
or
1. Create a new project
2. Create a newwidgetblueprint
3. Create a Text box and write in it
4. Create a new player controller
5. Event Begin Play > Create New Widget Blueprint (change Class to your new widget) > Add to viewport
6. Compile and Save
7. Go in Project Settings > Maps and Modes
8. Change the Player Controller to the new one you just created
9. Package your project for Win64

Expected: Text pops up on screen at start up.
Results: Text doesn't pop up on the screen at start up, unless you're using PIE or Launch On.

The German umlaut ä does not display in packaged builds