The boss health bar is only visible when you are looking at the boss, happens with both the Wither Boss and the Ender Dragon.
Linked issues
is duplicated by 3
Comments 32
Yes, it makes sense when there are multiple bosses around and has always been implemented like that.
Ok, thanks for letting me know, I assumed it was a bug as it was introduced in the snapshots. Apologies for posting. This feature really messes up some things I've made though.
I don't believe this is intended for the Ender Dragon. This was the behavior for the wither, but not the ender dragon in 1.7. During the final boss fight, if the ender dragon leaves your view, you can no longer see the boss bar. This is definitely a bug and makes the end fight much harder.
Confirmed for 1.8.1 Win7. As a developer, i was using this bar as element for GUI, now i can't use it anymore... Please make server-side way to work with this bar or fix it like it was before.
Definitely intended.