Upon noticing the minecraft 1.10 pre-release came out, I loaded up one of my previous 1.10 snapshot worlds. I was caught off guard to see this coming through the walls wherever paintings were previously placed:
MC-103059
Weird Red and Blue and Green Lines
Resolved
Duplicate
0
Andrew Pugh
(Unassigned)
Unconfirmed
Minecraft 1.10 Pre-Release 1
Retrieved
Duplicate of MC-102894.