Potions have already been confirmed for a future release - but how many can there be? Jeb had this to say about it:
"In the prerelease, there are 161 brewable unique potions. Unless we change it, there will be 2,653 with all ingredients added."
While the code for potions is already somewhat in place, there do not appear to be any plans to make them available until the 1.10 release. We do not know all 2,653 possible future combinations; however, we have compiled a brief list of some known potions and their effects
This is stupid, I hate Minecraft now. Every Twitter update just upsets me more and more, everyday.
Here is a list of some of them. So many I had to put them in a spoiler....So many I will just link you to the wiki!
Potion names:There are a number of names used for potions in-game; these don't seem to have any strong connection to the potion's ingredients or effects. The names include:
Potion ingredients:The following items are known to be used as an ingredient in at least one potion:
Fermented Spider Eye