I'm playing with 1.8.1 and Optifine HD in survival mode, and others may have used 1.8.3 or 1.8.4. If 1.8.4 does causes the problem, all other clients are be affected by it.
But now that you mention it, the only times when that happens is when other people are connected as well. And the player who was connected the first time this happened, a bit more than a day ago, she does all auto updates.
Downgrade: http://goo.gl/186E84
The problem is, I am not *sure* this is the cause for the problem, otherwise I'd type it in the bug tracker. Are you certain that this is the cause? Have you tested this?
But now that you mention it, the only times when that happens is when other people are connected as well. And the player who was connected the first time this happened, a bit more than a day ago, she does all auto updates.
Downgrade: http://goo.gl/186E84
The problem is, I am not *sure* this is the cause for the problem, otherwise I'd type it in the bug tracker. Are you certain that this is the cause? Have you tested this?