All wood types have logs, planks, signs, trapdoors, doors, buttons, etc.
Basically everything is there.
I think it is an oversight that boats for warped and crimson aren't included in the snapshot.
They can't be found in the creative inventory, nor as item via commands.
Linked issues
is duplicated by 6
Comments 4
they may be waiting to add it since it may have some new functionality... like maybe they work on lava?
Can confirm