When you activate a dispenser with a minecart or boat in it, and the correct block is underneath (rails & water, respectively), the dispenser doesn't place its contents, and instead spits it out like a dropper.
When you activate a dispenser with a minecart or boat in it, and the correct block is underneath (rails & water, respectively), the dispenser doesn't place its contents, and instead spits it out like a dropper.
Can't reproduce