Effect and duration of suspicious stews sold by Villagers not randomized

According to the Minecraft Wiki, farmer villagers will sell suspicious stews with "5–7 seconds of Blindness, 7–10 seconds of Jump Boost, 7-10 seconds of Night Vision, 10–20 seconds of Poison, 7–10 seconds of Saturation, or 6–8 seconds of Weakness. "

In the beta, villagers only sell suspicious stews with 5 seconds of Night Vision.