Chunk borders render incorrectly.
I found it on a stream after I noticed water not flowing properly because I wanted to see if chunk borders were a factor. Clip is here:
MC-163923
chunk borders renders weird
Resolved
Duplicate
0
Kaley Obsidia
(Unassigned)
Unconfirmed
(Unassigned)
19w42a
Retrieved
The problem with chunk borders duplicates MC-163079. If you also want to report the issue about water flowing please open a new ticket and provide the seed and coordinate where this hapens.