widget shows up solid white on iOS

The web browser widget does not appear to load correctly on iOS. It appears as a solid white block.

This has been seen on:
iPhone X, v11.4 (A11 Bionic)
iPhone 6, v11.4 (A8)

It did not occur on a Pixel 2

1. Open the editor
2. Enable the widget browser plugin
3. Restart
4. Create a new widget blueprint
5. Add a web browser widget to the designer tab
6. Set a default URL (such as google)
7. Save
8. Open the level blueprint
9. Add the widget to the viewport
10. Save all
11. Launch onto an iOS device (iphone 5s was used in original test)

Result: The web browser widget shows up solid white and the page is not shown
Expected: The web browser widget would show the page that is supposed to be loaded