No Slimes

Can also confirm that slimes are rarely spawning in slime chunks and swamps as of the new update. Maybe 1-2 in a long while, but no more.

My main base is on the edge of a swamp biome where it meets an extreme hills biome so I'm used to being pestered by slimes, But now, nada. Not a single one.

It's not just slime it's all the mobs.

No slimes spawning for me either. Doesnt work in slimes chunks nor in swamps. Xbox 1

1.2.7 did NOT fix this issue. Still no slimes in slime chunks below lvl 40, and no slimes in swamps @ low light between lvls 50 and 70.

It seems due to a bug (most likely MCPE-21856) slimes has so low spawn rates, that they only spawn if almost no other mob spawns around them.
And something seems to be also wrong with the light level check. I was able to spawn slimes only on minimum (0) and maximum (15) light level. On the minimum light level, other hostile mobs made slime spawning very rare. On maximum light level, on daylight, they spawned just fine together with horses, and underground on glowstone they also spawned. Torches with light level 14 seemed to be not enough for them.

So it seems both the spawn rates and the light check is broken.

I've been playing in a world and explored all over for some kind of slime spawning location, but I haven't seen a single slime yet (and it's been almost a year since I started playing this edition). It's really feeling like this is a bug that hasn't been fixed yet.

I've had some success with slimes. If it is in a slime chunk, the trick is to block off sky access. If there are any spots that are below light level 15, they need to spawn on solid stone (I've tried everything from cobblestone to diorite, and solid stone works the best). In swamps, they only spawn during a full moon. They won't be everywhere, but you'll eventually find them.

I do agree that the spawn rates should be increased. Slime is necessary for sticky pistons, which is an essential component to redstone. Not having access to a decent amount of slime limits the gameplay experience for people who enjoy the redstone aspect of the game.

It's not just you. I've spent hours in swamp biomes looking for a single slime so I could make leads to populate a farm in a new realm I just started in. I finally had to borrow a couple of slime balls from another player.

And don't get me started on how long it took me to find a pair of cows.

On my server, I'm creating a 3-chunk slime farm using adjacent slime chunks. So far we are down below Y:40, but hadn't noticed any slime spawns. However, last night I came down one level and found a pocket of zombies (they were spawning at the top of a stream and being pushed into one area). I killed them all and lit up the area they were spawning in, and I immediately was getting a LOT of slime spawns.

So my suggestion is to make sure you light up the area. If anything other than slime spawn, they take up the mob cap and slime are less likely to spawn. If you are looking for them in a swamp, light up the swamp. Also, they only spawn in swamps during a full moon.

I also cannot find any slimes. I have been searching for weeks. Constantly checking swamp biomes and slime chunks. The only way i can get slimes to spawn is if i go to a flat world.... which doesnt help. I play on the better together update on xbox one.

**Update
I waited until full moon while in a swamp, 1 large slime spawned right at the beginning, gave me 9 slime balls in total, no more spawned at all. This needs to be fixed....

I've had literally the exact same experience as Eddie Smith. Got one shingle large slime during a full moon and not another one. I've been sitting next to an iron golem farm i've built in the swamp biome that it spawned in for 4 hours now and zero. I understand they're only going to spawn in a swamp biome during a full moon, but if that's the case than they should spawn more than a single one....

They don’t only spawn on full moons in swamps, they just spawn the MOST on full moons, and not at all on new moons. It appears however that the Xbox one edition is broken for slimes. I’ve dug our 4 slime chunks, made 6 iron golem farms in 2 different swamps, and after about a total of 4 hours over the course of weeks, I’ve gotten about 34 slime balls. It’s absolutely ridiculous. What sucks even more is they just updated it the other day and fixed nothing regarding the slimes. They did fix the wither skeleton issue though which gives me hope that this will be addressed soon. I think everyone that’s had this issue is sick and tired of the “light up surrounding caves, they don’t spawn on new moons” answer.

My base is in a swamp. I'm used to being pestered by slimes. But they're not spawning, not since I transferred my world from the xbone version to the Glitchy Together edition

My world isn't a swamp biome but before the update they would spawn at a certain location.

People with this issue might want to look at my comment in MCPE-30413. I had no trouble spawning slimes in a swamp at midnight under a full moon, as long as I controlled the number of other mobs being spawned and competing for room under the mob cap.

But what would you suggest for people that are not playing in a swamp biome?In my world, I had slimes spawning at below level
40 but after the update, they've stopped. Reading your comment, in MCPE-30413, do I have to remove all the levels to expose where they use to spawn? Lol

I am affected by this issue with no slimes.

Please let us know when we can expect a fix here. I have tried in multiple new worlds, from multiple clients. I have yet to see a single slime anywhere.

@Richard Larocque: I didn't mean to imply that I had a solution, only a demonstration that slime spawning isn't completely broken. Knowing that might help encourage some people to keep at it until they find a workaround that everybody could benefit from. Now, if you were to dig down to level 40 as an experiment (probably in a Creative copy), that would be an example of what I'm talking about. You might discover that your slimes come back, and that would be valuable information for me and others trying to get slime in our worlds, as well as a clue for the developers trying to figure out why it doesn't happen aboveground. But if you don't want to spend the time and effort experimenting, you can just wait until somebody else does or the devs figure it out on their own.

@Dustin Wehmeyer: The devs are studying this issue and will fix it as soon as they can. It's not really possible to know how long it will take, any more than you can know how long it will take to walk from point A to point B when you don't have a map to follow. The only way is to explore until you spot point B in the distance, and by then you're practically there anyway so the answer can't come early enough to be helpful.

Thanks for the feedback Auldrick.

I did build multi level platform 'farm' spaces from level 10 in multiple known slime chunks. No slimes ever spawned. My wife found ONE slime in a swamp biome while in creative mode. Switching to a non-creative mode copy, no slimes ever appeared again in that same swamp. I've tried switching to peaceful mode and back to normal and saw no changes. I've tried leaving the vicinity (1000+ blocks) of the area I'm looking for slimes in, and coming back. No slimes. I've had to resort to just cheating, which sucks.

I don't know if it makes any difference, but I have tried the following:
Android with local world and with a realm.
Windows 10 PC with a local world and a realm.
XBox One with a local world and a realm.

In the above cases, the realm was always the same realm, and world on that realm. The local worlds were all independent newly created local worlds (not copies of other worlds).

@Auldrick

I have a slime chunk inside of a 50 x 50 hole that I dug to bedrock. I know it's a slime chunk because I have seen slime in it about 6 to 8 months ago. Right if I go back to it there's no slime at all. So it's definitely broken. Slime should spawn on a regular basics in a slime chunk especially right on bedrock.

AND

It's not just slime but all mobs spawning that is broken

[Premise, almost hostile mobs around players are killed]
In my verification, when multi players log in the same world, slime spawning stop.
Next, all other players left and just only one player stay in the world, slime is spawning back again.

I think this is also affecting in windows 10 edition

It is the same on mine whether multiple players or not

I'm on Windows 10 and have dug out two slime chunks and spent multiple nights in the swamp. After 100 hours of play, only two slimes have spawned.

Looks like 1.2.10 might have a fix for this.

https://minecraft.gamepedia.com/Bedrock_Edition_1.2.10_build_1

"Increased the spawn rate of slimes"

I've got a three slime-chunk farm. As I was digging it, there were a bunch of slime. After completing the farm there is not a single spawn. Luckily the amount of slime I got from digging the farm has been sufficient thus far, but it is annoying to do all that work for no continued production. I wonder if there is a limit to the amount of slime that can spawn within a spawn chunk.

And this also continues with the latest update.

Add 1.2.10 to the affected versions.... The change log claimed they fixed this but I still have zero slimes spawning. This is a game breaking bug that needs to be fixed ASAP. I can't build anything I want to build without sticky pistons. I'll be forced to cancel my realm subscription if this isn't fixed before the renewal in 9 days.

1.2.10 is not include 1.2.10 build 1 features.
so,1.2.10 doesnt fixed this bug.

Built a slime farm yesterday not knowing there was issue with slimes spawning. I also found a few slimes while making it but now they never spawn just like Joseph said. I've been looking all over the internet for solutions and made some creative worlds to test slime spawning within slime chunks. What I found is the only way I can get slimes to spawn is to expose them to sky light like (https://bugs.mojang.com/browse/MCPE-30413). This means you would have to dig out all the blocks above a slime chunk just for slimes to spawn on one floor of a farm. This should really be fixed.

@Eric Farley, in order to get my slime farm to produce slimes I had to set my world to peaceful and then back to hard to clear out all mobs. I had not had a single slime in over 100 hours of play. After setting to peaceful and back to hard I was able to get a few slimes trickling in (still a very slow rate) and collected about 4 stacks of slime balls in about 4 hours. I should also note that I did not leave the area during this time because I didn't want to load mobs in other chunks. I also had to be above level 31 for them to spawn on the one platform at level 6.

Can confirm this is an issue on Kindle Fire, 1.2.10, vanilla (no mods). The only place I can find a slime is in a swamp, and that is very rare. In previous versions, had lots of slimes in my dark mineshaft rooms. I have not been able to produce any.

Spawn rate in swamps has improved as of 1.2.13 (albeit after a 30 minute wait for the first to spawn) but is still considerably lower than Java edition

Resolving this specific issue as fixed - there are still some existing more general spawning issues, please refer to ticket MCPE-21856.

as of 1.4.2 this bug still exists on the xbox one slimes do not exist at all without using a spawn egg

On 1.5.0 I've cleared out 4 slime chunks (got them from ChunkBase and extension.ws/minecraft/slimes.html) from bedrock up 4 blocks. The area is well lit.

But I've yet to see a single slime spawn in any of these chunks over several days.

This bug is still an issue. 😞

1.5.2 problem still exists. Not one, period. This needs to be properly addressed

If course no mob farm works period, spawns are cheap(to appease those tablet users who only pay 7.99 for it, while the rest of us pay 20+)

Agreed, this is not fixed.  On my bedrock edition realm, I get no spawns in slime chunks, at all, not after days of AFK attempts, and accessing from Windows 10, Android, and Nintendo Switch.  This issue (or a new issue with the same symptoms) is not fixed and should not be resolved. 

I'm going to echo Christian's comments above. Playing bedrock edition on Nintendo Switch I have been unable to find slimes in slime chunks. Experimenting with super-flat and creative and intermittently utilizing the /kill @e command resulted in a net of two slimes over the course of an hour's game play. Something is seriously wrong with slime spawning.

If the player is near or by bedrock, mob spawn doesn't exist. Player need to be at least 30 blocks away from bedrock.

Reopening this for a review. (Bear in mind that this is likely to be affected by the general spawning issue described at MCPE-21856.)

Please add a vote and any new information regarding this issue.

Tested in 1.6.x - A few Slimes will spawn in slime chunks, with the player standing at y6, and without sky access:

The build consists of layers of lit pumpkins each with a 3 high air gap:

plays minecraft PE
since the aquatic update 1.5.0 I can not find slimes in any world, not even in the flat worlds where before there were many during the day

Thank you Mega_Spud. I have discovered that slimes spawning in slime chunks is greatly effected by sky access. I finally found a chunk and cleared all blocks from y39 to y63.

Results were that slimes would spawn on the top layer as a "surface spawn" but layers below would have nothing - no "cave spawns".

If cave mobs are not despawning (which we know they're not) then that may be a significant part of the issue, and if cave spawns are not despawning then we'll never see slimes underground, making it largely impossible to locate a slime chunk. There's definitely a linkage as described above.

Thank you Mega_Spud for reopening this issue.

At first I thought that sky access to the block is required. But then I did witness them spawning underground even when there was no sky above them.

Still, they spawn most reliably only when there is sky above the blocks, But I noticed that they do not spawn at night at all.

But I do not know why they are not spawning in superflat.

The spawn rate for slimes needs to be a lot higher then what it is, did superflat and saw that 1 out of nearly 50 to 100 mobs I would see a slime, maybe more then that even. The slimes are oddly super rare and I don't get why when slime is used quite a bit. I wouldn't be able to do anything underground for slimes if the odds are 1 to 100 of finding a slime, by that I mean barely any normal mobs spawn to for a slime to appear at all. I have a cave set for them and not even the normal mobs would appear that much. 

Got the same issue with new 1.7.0  i found 1 slime in the swamp biome and till then nearly 30 moon phases passed and no one spawned till then. but the one single i found i only found cause i could hear him underground. swamp grass is level 63 there.

also no success with slime chunks.

I have a similar issue with slimes not spawning in slime chunks.  Before the 1.7 update, slimes were spawning in my slime chunk, but after 1.7 slimes no longer spawning in my slime chunk.  I think that the slime chunk may have been moved or regenerateed randomly.

#ME TOO. I have used multiple slime chunk finders for bedrock edition to locate slime chunks after slimes stopped spawning in my original slime farm. I have spent many hours digging out several slime chunks below level 40 with access to the sky. (both single and double chunk areas) and each time waited 15 mins to an hour for slimes to appear. Unfortunately, no slimes EVER.   Also I have seen a total of 1 slime in the overworld after searching more than 50 chunks in each direction from my base.

On Android, Minecraft 1.7.0.13, there are no slimes spawning, even in a flat world, in either single player or realm.

Since randomtickspeed is now here in Bedrock, I performed further tests. The problem has not only been significantly agrevated in Beta 1.8.0.13, but it has also become pretty clear that this is a general mob spawn issue, and not a slime spawn issue.

Only observation of mine so far that might be worth any value: Phantom spawn rate is normal.

As of beta 1.9.0.5, slimes are now spawning normally in superflat.

But still no underground spawn. They spawn in spawn chunks when I load the world, But after the first few batches get killed, no nore spawns.

still no underground slime spawning in but hanging around in a swamp for a couple of hours spawn some slime.

I get slimes in Swamps on version 1.8.1 on the Nintendo Switch. I've yet to see one underground.

The spawns for bedrock version are seriously jacked up. Switching to peaceful then to hard fixes it for ten min tho.

I am playing in a realm without coords 1.9.0. I have extensively lit up caves near my base. I believe it is WAI. I identified a couple of adjacent slime chunks and I get slime spawns with no sky access. 

The problem appears fixed on 1.11.0.1. Not sure about the spawn rate, but at least they are appearing underground. I created a short demonstration video: https://youtu.be/OO_buZjlSSA

I am not yet sure whether the slime chunk coordinates have changed. I loaded up an old test setup but nothing spawned. Then I created a new map and cleared up a 64x64 underground area. Finally slimes started spawning.