[MC-136523] Invisible world border in the end dimension

If you modify the world border in the End, you won't be able to see it, however, you cannot pass through / build out of it.

Go to the End.
Go on top of the Bedrock End Portal.
Type the commands /worldborder center ~ ~ and then /worldborder set 5.
You won't see the world border. However, you won't be able get/build out of the range set (5 blocks).

Linked issues

Confirmed for 1.13.2-pre1.

Confirmed for 1.13.2-pre2.

Affects 20w49a

Can confirm in 20w51a.

Affects 21w05b.
May I request ownership?

This might actually duplicate the related.

/execute in minecraft:the_end run tp @s 29999999 100 0

Worldborder is visible, but wrong location.