The bug
Side and bottom of waterlogged blocks cause z-fighting when looking at them from a distance.
Affected blocks
Slab(side only)
Stairs(non-full block surface)
Fence
Wall
Sign
Hanging sign
Trapdoor
Campfire
Soul campfire
Glass pane
Stained glass pane
Iron bars
Sculk sensor(side only)
Sculk shrieker(side only)
Mangrove roots
Leaves
Calibrated sculk sensor(side only)
Copper grate
Exposed copper grate
Weathered copper grate
Oxidized copper grate
Waxed copper grate
Waxed exposed copper grate
Waxed weathered copper grate
Waxed oxidized copper grate
Lightning rod
Sea pickle(bottom only)
Chest
Trapped chest
Ender chest
Decorated pot
Lantern(bottom only)
Soul lantern(bottom only)
Scaffolding
Related issues
is duplicated by
relates to
Attachments
Comments


still in 1.17 full release
Can confirm in 1.18.1.
Can confirm in 1.18.2.

Still confirmed on 1.19.4

Still here in 1.21.1 :/