I have found if you place a water bucket down and then surround it with slabs all you can see is the surface of the water, the rest is completely transparent! I don't know whether if it's meant to be like that but I'm not a huge fan of it.
Linked issues
is duplicated by 37
MC-129875
Source water blocks appear invisible under falling water through tilled soil.
Resolved
MC-130493
Water render
Resolved
MC-130518
Water texture does not work when veiwed from slab
Resolved
MC-130574
Rendering issue with waterlogged slab adjacent to non-waterlogged slab
Resolved
MC-130576
Water does not render properly when adjacent to enchanting tables or end portal frames
Resolved
32 more links
Attachments
Comments 7
Confirmed for 1.13 pre-1.
Please also add Lava as affected fluid into the title, labels, description.
[media]This also happens with the surface of the water when there is a large patch of solid blocks above the water.
[media]
Duplicated by MC-126976
Does not affect some blocks like beds, trapdoors, piston extensions, and blocks without a collision box other than snow layers. Also affects enchantment tables and extended pistons.
boq
This may be caused by the fix of MC-128276