You can use leads to attach mobs to the new wall types introduced in the Drop 2 of 2026 experiment. This is clearly not intended, as this behavior was explicitly removed from all other walls back in 1.21.100 for parity with Java Edition.
MCPE-238250
Leads can be connected to sulfur and cinnabar walls
Open
0
Can confirm
Steps to reproduce
Create a new world with Drop 2 Experimental enabled
Take any mob spawn eggs that can leash, Leads and Sulfur or cinnabar walls in any variants
Place a 1 Sulfur or cinnabar walls, summon a mobs and leash then attach to Sulfur or cinnabar walls to observe
Observed result: The Sulfur/Cinnabar walls can be attach leads
Expected behavior: Sulfur/Cinnabar walls cannot be attach leads like other walls