The bug

The dripstone block has an unnecessary stone_type block state, just like normal stone still does in bedrock edition.
Its values are:

• stone
• granite
• granite_smooth
• diorite
• diorite_smooth
• andesite
• andesite_smooth

How to reproduce

/setblock ~ ~ ~ dripstone_block["stone_type":"diorite"]

Expected result
Invalid blockstate error

Actual result
It places the block