Activating or breaking huge Nether portals stops rendering of beacon beams for a short amount of time.

If this is a duplicate, then I just wanna say that I tried looking for the original report!

Can confirm.

Bug is no longer present in 20w29a But IS present in 1.16.1! It's been fixed somehow!

Edit: I would mark is as resolved if only I knew how to 🤷‍♂️