Just did a test on 1.9 pre-release 3 using the snocrash's zombie pigmen farm, in a world with nothing but the farm itself, and I confirm the issue persists. As soon as the zombie pigmen are aggravated, the game starts a slow paced framerate. Even the falling of the mobs to the bottom happens in slow motion. Turn difficulty to peaceful, and the lag is gone.
Btw, just to reasure did the same test in the same world on snapshot 15w47c. No lag at all.
Rafael Pinto
Just did a test on 1.9 pre-release 3 using the snocrash's zombie pigmen farm, in a world with nothing but the farm itself, and I confirm the issue persists. As soon as the zombie pigmen are aggravated, the game starts a slow paced framerate. Even the falling of the mobs to the bottom happens in slow motion. Turn difficulty to peaceful, and the lag is gone.
Btw, just to reasure did the same test in the same world on snapshot 15w47c. No lag at all.