View bamboo and cobwebs with the F3 screen's "Targeted Block" and see that they don't have the new tag even though they break faster with a sword.
MC-261615
Cobwebs and Bamboo don't have #sword_efficient
Open
1
(Unassigned)
Confirmed
Platform
Low
Data Packs
23w14a, 1.20 Pre-release 2, 1.21, 24w33a
Retrieved
Can confirm, also works for bamboo sapling