The new world edit screen does not show up on PC

After a recent update, the new Ore UI world edit screen does not show up anymore and instead brings me to the old UI screen.

Steps to reproduce:

1. Go to the 'Worlds' tab
2. Click the edit icon (the pencil)

Observed result:

The world edit screen is the old UI, not the new Ore UI that was introduced.

Expected result:

The new Ore UI shows up when editing a world.