Version MC 1.21.11 only, fabric only.

 A vanilla-like thirst bar

Keep your thirst high by drinking from different sources while maintaining vanilla logic. 
Potions, food (see tooltip).... cauldron, watersource (dont forget to Sneak and right click with empty hand)

Visible Saturation

Just like hunger, thirst has a saturation point depending on the source, and this is fully visible (hunger too) on your HUD. 

Icons on Tooltip

You can easily see the attributes associated with items by hovering over them, indicating the hunger/thirst gains.

Thirst effect

less than 3 water drop give you mining fatigue.
No water drop gives you damage over time (2 times the hunger damages) and cyclically apply nausea and obscurity

Water bottle

Can now be stacked by 8.

customizable :

You can change values as you wish in the config file Config/Thirst/Dehydration if the default one doesn't suit you