Place two adjacent Redstone Repeater in different directions and not facing each other,activation one of them will make the Redstone Torch of the other Redstone Repeater's adjustment delay turn to horizontal
MC-301089
A bug about Redstone
Resolved
Duplicate
1
This sounds like you’re describing the intentional behavior of repeater locking, which causes the pointed-to repeater to preserve its state as long as the pointing-to repeater is powered.