Description:

I had recently respawned and killed a second Ender Dragon in my world and collected all xp and I know a second egg doesn't spawn. However, a few weeks later I went back to spawn a third dragon. I noticed a second dragon egg and more xp than I should have. (See below)

Expected Results:

There is no second dragon egg and the xp should not be there.

Steps to Reproduce:

1. Spawn a second dragon
2. Kill it and collect all xp
3. Exit the End
4. Save & Quit world
5. Join back in world
6. Go back in the End
7. See there is a second dragon egg and xp

Information About my World:

Gamemode: Survival

Difficulty: Peaceful

Cheats: Keep Inventory

Note: I did not attach an image of the End because all it is is an egg on the pedestal.