Place a waterloggable block (eg. cobblestone slab)
Enter adventure mode
Attain a water bucket that has the proper components
/give @s water_bucket 1 0 {"minecraft:can_place_on":{"blocks":["cobblestone_slab"]}}
Attempt to waterlog the slab
Expected result:
The slab becomes waterlogged
Actual result:
The slab is highlighted like a block is placeable there, but placing the water completely fails
Thank you for your report!
After consideration, the issue is being closed as Working as Intended.
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Things such as graphics, sounds, world creation, biomes, redstone, villagers, and animals may not work the same in current versions.
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