Depending on the angle you look at something the rendering disappears in particular places
it is absolutely consistent with view angle/position.
Had this happen in two diff places on our server since 1.15.1
Now you see it now you don't pictures attached
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Thank you for your report!
We're actually already tracking this issue in MC-63020, so I resolved and linked this ticket as a duplicate.
If you would like to add a vote and any extra information to the main ticket it would be appreciated.
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