Put the summary of the bug you're having here
What I expected to happen was...:
that the ender eyes would guide me to a stronghold and that the ender dragon would appeared again after the 4 ender crystals on the middle of each side of the end portal
What actually happened was...:
The ender eyes led me to a place without any stronghold and the dragon didn't ressumon
Steps to Reproduce:
1. Try to ressumon the ender dragon in the certain way
2. Wait and wait and wait. Ps: my map is old (around 1.7)
3. ...
Please put only one bug report in each ticket. It is very difficult to keep track of bugs when they are not in their own tickets, and it is easier for you to make multiple tickets than for the mods to separate them.