can fix in 26.1
can confirm in 25w35a??
i dont know why but i cant upload video
thats not bug
also skeletone
be sure u have update ur gpu driver
are u play mods?
actily becon not activat with copper from old virision
and this
report the bug in discord minecraft feedback
i found way to fix it you need to open .minecraft folder and in option.txt change preferredGraphicsBackend from "defult" to "opengl" and it will work fine but the game will crash if you minimized it