I threw a lingering potion of decay, then poison, then harming and none gave effects and the particles had to be killed with /kill @e [type = area_effect_cloud] I threw splash potions and they work fine.
Linked issues
Comments 1
MCPE-50873
Lingering potions do not give effects
Resolved
Duplicate
0
BeefyZeus3192
(Unassigned)
Unconfirmed
Xbox
1.12.0
Retrieved
Duplicate of MCPE-39595, for a temporary fix Turn on the day / night cycle (command: /gamerule dodaylightcycle true)