Can confirm this still happens in 1.13-pre6.
Still present in 1.11
Confirmed fixed in 16w44a, Thank you.
Oh, do they have spawn conditions then? My mistake, that behaviour is not yet documented on the wiki. http://minecraft.gamepedia.com/Spawn#Spawn_conditions
This is a freaking awful solution to this bug. For a start, what about all the people who already have silk touch shears? Not well thought out at all.
I wish I had never posted this issue.
Thanks for posting that PneuX, but to clarify for those interested: the 'fix' is basically a redstone contraption that emulates the functionality of splash potions. So it's not really a fix, more of a workaround.
Confirmed.
Confirmed that lingering potions also do not work with this tag. That might not be a bug, however, just a missing feature. (One that I'd like to see!)
Confirmed.
This is going to break some custom maps.
Confirmed still present in 15w31c using LordPriford's steps to reproduce.
I strongly object to the idea that this should be removed because it's "always worked like this". That doesn't make it any less a bug.
Confirmed. We are generating maps using pymclevel and are getting this. These maps worked fine in previous snapshots.
Still occurs in 1.7.4
Confirmed.
Spawners that utilise ActiveEffects crash in the weeklies. The same spawners work fine in 1.5. ActiveEffect tags are valid.
Dinnerbone,
The build provided almost entirely eliminates the white lines and dots for me. I occasionally still see an isolated dot or two, but this is very rare and on the whole it looks a TON better.
My specs are Intel i5-3330, Windows 7 (64) and ATI Radeon HD 5450.
Great stuff! Thank you for continuing to work on this issue and I really hope this fix makes it in to 1.5!
I am becoming very concerned that this will not be fixed for 1.5. Like others here, I do not have this issue at all in 1.4.x.
The static images do not do justice to how bad/annoying this issue is. Am I going to have to buy a nVidia graphics card when 1.5 ships?
This still occurs for me in minecraft 13w09a. 1.4.7 is fine. Checked my videocard settings as suggested.
Aha! To clarify for anyone else like me that go confused by this issue: The mob will start moving once it targets a player. So this bug really only has a big effect on creative mode.
Please see the previous comments on this subject. If this is intended behaviour a Java Dev can come along and close this issue. Anything else is hearsay.