This will very helpful in combat plz add it
If you mean that you want to see your own potion effects, there is a customhud element for that.If you mean that you want to see the effects from other players, yes, that would be usefull
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Because this is a forge client,I do not support adding effects like this, as you can just get another mod for this. Liquidbounce is for cheating, not special huds. There are other mods for that which are dedicated to making good huds.
The customhud already has a display for the own effects.