As per the title, the new tuff slabs, stairs, and wall blocks produce stone sounds instead of the sounds that tuff makes. This does not happen with any other of the new blocks.
Linked issues
is duplicated by 3
Attachments
Comments 5

I believe that has a generic stone sound for Normal tuff decorations, however still working on bricks and polished variants of tuff have matches the sound
Sound comparison
MCPE Preview:
[media]MCJE 23w43a:
[media]This is the code about these block in blocks.json, you can see they are not assigned the tuff sound so they use default stone sound.
"tuff_slab": {
"textures": "tuff"
},
"tuff_double_slab": {
"textures": "tuff"
},
"tuff_stairs": {
"textures": "tuff"
},
"tuff_wall": {
"textures": "tuff"
}
The Fixed Code:
"tuff_slab": {
"textures": "tuff",
"sound": "tuff"
},
"tuff_double_slab": {
"textures": "tuff",
"sound": "tuff"
},
"tuff_stairs": {
"textures": "tuff",
"sound": "tuff"
},
"tuff_wall": {
"textures": "tuff",
"sound": "tuff"
}