[MC-50877] multiplayer chat Opacity bug

multiplayer chat Opacity bug

When i'm setting the opacity down only the black back border gets invicible, the text isnt.

The text need to be invicible too.

Steps to Reproduce:
1. Just do that the Opacity control effect the text too.

thanks 😃

Linked issues

I'm pretty sure this is intended.

it's not, Jar. I've tested in older versions of MC (Ex: 1.2.5, 1.4.7) and this effect is not present.