JadeDeer

can confirm in 22w15a

can confirm in 22w15a, though may be intentional for upcoming updates due to reinforced Deepslate being present in the deep dark ancient city
possible intentional game design

can confirm in 22w15a

Can confirm in 22w15a

may not be intentional, but i can confirm in 1.16.5

confirmed in 21w19a

can confirm in 21w18a

can not reproduce

you sure this is not part of a resouce pack?

this may be due to a graphical error, check/update drivers

this is not an official update so this is invalid at the time

this may be due to file corruption, try a fresh install

can confirm elytra bug in 21w15a

can confirm in 21w05b

can you provide a video for this situation please?

please give us some more information on the bug.

this will happen due to the fact an end crystal being an entity

please use mp4 format.

this may be an issue regarding the certain hardware of your system.

can confirm in certain instances like multiplayer