Just had this same issue with a trident killer for a mob farm. Happened regularly within 5-7 seconds of starting my 3x3 trident killer. It does use carpet to avoid the dead space, so the piston block updating makes sense. IOS Minecraft Bedrock v. 1.20.51.
Starlightshope
Just had this same issue with a trident killer for a mob farm. Happened regularly within 5-7 seconds of starting my 3x3 trident killer. It does use carpet to avoid the dead space, so the piston block updating makes sense. IOS Minecraft Bedrock v. 1.20.51.