In the early snapshots for Minecraft 1.19, sculk shriekers could be activated by redstone. Once the version actually released, however, not only could shriekers only be triggered by sensors, but sensors that were triggered by any "unnatural" movement (read: not belonging to the player) would no longer trigger a shrieker.
On the whole this is probably a good thing, otherwise every time a bat spawned in the Deep Dark, it would be like Night of the Living Dead all up and down y=-51. However, not being able to set off synthetic (placed) shriekers with, say, a timer is kind of a bummer. So this mod patches that behavior so that a shrieker's shriek can be triggered by non-player vibrations, allowing players to build:
