Quote Originally Posted by Eversor View Post
The day the expansion came out, I definitely could not stack the double xp elixir with the combo elixir. I was a bit frustrated when I bought the combo elixir and found out it wouldn't stack with the double xp.
The change to the 15 minute xp elixir that went out with with the expansion on Thursday introduced some stacking wonkiness. This was corrected in the patch on Monday.