Stackable Unstackables

This mod makes items that should definitely be stackable—potions, splash potions, lingering potions, and stews—stackable.
To ensure that throwable potions aren’t too strong, I added a default 1-second-long cooldown when you use one.
This mod creates a config file named “stackables_config.properties” that allows the user to customize the max stack size for each mentioned item and the splash potion cooldown.

This mod can work on servers even if the client does not have it installed, however, there are some minor quirks, so it works better when both the client and server have it installed.