Bedrock Edition:Potentially Dangerous Versions
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This article is a work in progress.
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Below is a list of versions that can corrupt or damage your world and versions that cause crashes. If the given version affects entities, blocks etc. in the way you wouldn't like to and still want to play on that version, keep them in unloaded chunks and remove them from your spawn chunks before updating.
Danger Definitions
Dangers | Meaning |
---|---|
Hardlock | Damages the world making it permanently unplayable. |
Softlock | Damages the world in a way that retains all data, but severely inhibits or completely prevents gameplay (e.g. crash loop). |
Chunk Corruption | Damages the world by deleting or modifying chunks. |
World Files | Damages world settings or other miscellaneous world data, such as player inventories, maps, etc. |
Crash | Causes the game to crash once. See Softlock for crash loops. |
Performance | Decreases the performance of the world. |
Player Death | Is able to kill the player in an unintended fashion. |
Item Damage | Damages items in the world. |
Block Damage | Damages blocks in the world, and/or discontinued block combinations. |
Entity Damage | Damages entities in the world. |
Pocket Edition Alpha
0.3.0
Version | Issue | Bug Report | Danger |
---|---|---|---|
v0.3.3 alpha | The game crashes if the player dies while charging a bow. | N/A | Crash |
0.6.0
Version | Issue | Bug Report | Danger |
---|---|---|---|
v0.6.0 alpha - v0.6.1 alpha | The game crashes if a TNT explosion attempts to destroy a painting. | MCPE-1366 | Crash |
The game crashes if a sign is destroyed while a player is writing on it. | MCPE-1683 MCPE-1776 |
Crash |
0.7.0
Version | Issue | Bug Report | Danger |
---|---|---|---|
v0.7.4 alpha | Sending "/" in the chat crashes the game. | MCPE-5192 | Crash |
On iOS devices, attempting to place a cake or sugar cane crashes the game. | MCPE-5201 | Crash | |
When a vertical double chest is created and the player exits and re-enters the world, the two chests separate, with the chest placed second becoming invisible. Attempting to open the invisible chest causes the game to hang. | MCPE-5202 | Crash |
0.8.0
Version | Issue | Bug Report | Danger |
---|---|---|---|
v0.8.0 alpha build 1 | Several invalid data values of logs are obtainable by mining their respective block forms in this version. Attempting to select data values 4 and 5 in the inventory crashes the game. | MCPE-5840 | Crash |
If a downwards-flowing lava stream has two water source blocks on top of one another next to it on at least one side, an extreme amount of smoke particles are produced and the game crashes. | MCPE-5933 | Crash | |
v0.8.0 alpha build 2 | Several invalid data values of logs are obtainable by mining their respective block forms in this version. Attempting to select data values 4 and 5 in the inventory crashes the game. | MCPE-5840 | Crash |
If a downwards-flowing lava stream has two water source blocks on top of one another next to it on at least one side, an extreme amount of smoke particles are produced and the game crashes. | MCPE-5933 | Crash | |
If a world is saved with an entity riding a minecart in it, attempting to reopen the world causes the game to crash on the saving chunks screen. | MCPE-6005 | Softlock | |
The game crashes if a minecart is destroyed by any non-player means. | MCPE-5740 | Crash | |
v0.8.0 alpha build 3 - v0.8.0 alpha build 8 | If data value 4 or 5 logs were obtained in a previous version, attempting to select either one in the inventory crashes the game. | N/A | Crash |
v0.8.0 alpha - v0.8.1 alpha | The game crashes when a sign with emoji symbols on it is rendered. | N/A | Crash + Softlock |
If data value 4 or 5 logs were obtained in a previous version, attempting to select either one in the inventory crashes the game. | N/A | Crash |
0.9.0
- Note: the 0.9.0 builds contain numerous inconsistent crash, damage, and softlock bugs that are not documented here.
Version | Issue | Bug Report | Danger |
---|---|---|---|
v0.9.0 alpha build 1 | If data value 4, 5, or 6 logs were obtained in a previous version, attempting to select any of them in the inventory crashes the game. | N/A | Crash |
The contents of monster spawners are not saved in this version. Upon re-entering the world, any existing monster spawners are converted to pig spawners in build 1, or to empty spawners in later builds. | N/A | Block Damage | |
Mineshaft structures regenerate themselves every time the world is reloaded. This destroys any blocks placed where parts of the structure normally generate. | N/A | Block Damage | |
The game crashes when an attempt to destroy a block supporting a sloped rail is made. This crash also occurs if the player creates a floating sloped rail and the rail either receives a block update or an attempt to destroy it is made. | N/A | Crash | |
Vine data values were organized differently prior to v0.9.0 alpha build 7, meaning that updating from previous 0.9.0 builds to any later version[test] can result in invalid vine configurations. | N/A | Block Damage | |
If a world is saved while the player is riding a minecart, attempting to reopen the world causes the game to crash on the building terrain screen. | N/A | Softlock | |
v0.9.0 alpha build 2 | If data value 4, 5, or 6 logs were obtained in a previous version, attempting to select any of them in the inventory crashes the game. | N/A | Crash |
Mineshaft structures regenerate themselves every time the world is reloaded. This destroys any blocks placed where parts of the structure normally generate. | N/A | Block Damage | |
The game crashes when an attempt to destroy a block supporting a sloped rail is made. This crash also occurs if the player creates a floating sloped rail and the rail either receives a block update or an attempt to destroy it is made. | N/A | Crash | |
Vine data values were organized differently prior to v0.9.0 alpha build 7, meaning that updating from previous 0.9.0 builds to any later version[test] can result in invalid vine configurations. | N/A | Block Damage | |
If a world is saved while the player is riding a minecart, attempting to reopen the world causes the game to crash on the building terrain screen. | N/A | Softlock | |
The game hangs on the loading world screen if the selected world contains a column with only air on an odd Z-coordinate. | N/A | Softlock | |
Changing a monster spawner's configuration using a spawn egg only saves if any other changes to non-spawner block entity data are made in the same chunk as it. | N/A | Block Damage | |
v0.9.0 alpha build 3 - v0.9.0 alpha build 6 | If data value 4, 5, or 6 logs were obtained in a previous version, attempting to select any of them in the inventory crashes the game. | N/A | Crash |
The game crashes when an attempt to destroy a block supporting a sloped rail is made. This crash also occurs if the player creates a floating sloped rail and the rail either receives a block update or an attempt to destroy it is made. | N/A | Crash | |
Vine data values were organized differently prior to v0.9.0 alpha build 7, meaning that updating from previous 0.9.0 builds to any later version[test] can result in invalid vine configurations. | N/A | Block Damage | |
If a world is saved while the player is riding a minecart, attempting to reopen the world causes the game to crash on the building terrain screen. | N/A | Softlock | |
The game hangs on the loading world screen if the selected world contains a column with only air on an odd Z-coordinate. | N/A | Softlock | |
Changing a monster spawner's configuration using a spawn egg only saves if any other changes to non-spawner block entity data are made in the same chunk as it. | N/A | Block Damage | |
v0.9.0 alpha build 7 | If data value 4, 5, or 6 logs were obtained in a previous version, attempting to select any of them in the inventory crashes the game. | N/A | Crash |
The game crashes when an attempt to destroy a block supporting a sloped rail is made. This crash also occurs if the player creates a floating sloped rail and the rail either receives a block update or an attempt to destroy it is made. | N/A | Crash | |
If a world is saved while the player is riding a minecart, attempting to reopen the world causes the game to crash on the building terrain screen. | N/A | Softlock | |
The game hangs on the loading world screen if the selected world contains a column with only air on an odd Z-coordinate. | N/A | Softlock | |
Changing a monster spawner's configuration using a spawn egg only saves if any other changes to non-spawner block entity data are made in the same chunk as it. | N/A | Block Damage | |
v0.9.0 alpha build 8 | If data value 4, 5, or 6 logs were obtained in a previous version, attempting to select any of them in the inventory crashes the game. | N/A | Crash |
The game crashes when an attempt to destroy a block supporting a sloped rail is made. This crash also occurs if the player creates a floating sloped rail and the rail either receives a block update or an attempt to destroy it is made. | N/A | Crash | |
If a world is saved while the player is riding a minecart, attempting to reopen the world causes the game to crash on the building terrain screen. | N/A | Softlock | |
Changing a monster spawner's configuration using a spawn egg only saves if any other changes to non-spawner block entity data are made in the same chunk as it. | N/A | Block Damage | |
v0.9.0 alpha build 9 - v0.9.0 alpha build 11 | If data value 4, 5, or 6 logs were obtained in a previous version, attempting to select any of them in the inventory crashes the game. | N/A | Crash |
If a world is saved while the player is riding a minecart, attempting to reopen the world causes the game to crash on the building terrain screen. | N/A | Softlock | |
Changing a monster spawner's configuration using a spawn egg only saves if any other changes to non-spawner block entity data are made in the same chunk as it. | N/A | Block Damage | |
v0.9.0 alpha build 12 - v0.9.0 alpha | If data value 4, 5, or 6 logs were obtained in a previous version, attempting to select any of them in the inventory crashes the game. | N/A | Crash |
Changing a monster spawner's configuration using a spawn egg only saves if any other changes to non-spawner block entity data are made in the same chunk as it. | N/A | Block Damage | |
v0.9.1 alpha - v0.9.5 alpha | If data value 4, 5, or 6 logs were obtained in a previous version, attempting to select any of them in the inventory crashes the game. | N/A | Crash |
0.10.0
Version | Issue | Bug Report | Danger |
---|---|---|---|
v0.10.0 alpha build 1 | If data value 4, 5, or 6 logs were obtained in a previous version, attempting to select any of them in the inventory crashes the game. | N/A | Crash |
The game crashes when a minecart is rendered. | N/A | Crash + Softlock | |
v0.10.0 alpha build 2 - v0.10.0 alpha build 8 | If data value 4, 5, or 6 logs were obtained in a previous version, attempting to select any of them in the inventory crashes the game. | N/A | Crash |
0.11.0
Version | Issue | Bug Report | Danger |
---|---|---|---|
v0.11.0 alpha build 1 | The game crashes if a previously-saved arrow entity is loaded in. | N/A | Crash + Softlock |
The game crashes if a furnace with items inside of it is broken. | MCPE-8185 | Crash | |
When loading into a world, the player is sometimes spawned in with incorrect velocity and rotation data. This can cause the player to fall through any non-fluid blocks and die once from either suffocation or void damage. | N/A | Player Death | |
The game crashes if a chest is broken after an item is removed from it. | N/A | Crash | |
Changes to any block entities within a given chunk are only saved if another block entity is placed in the same chunk as them. | MCPE-8233 | Item + Block Damage | |
Chunk loading hangs when the game attempts to generate a new chunk containing a mushroom fields biome. Once this occurs, attempting to quit to the main menu also causes the game to hang. | MCPE-8826 | Crash + Softlock | |
v0.11.0 alpha build 2 | The game crashes if a furnace with items inside of it is broken. | MCPE-8185 | Crash |
When loading into a world, the player is sometimes spawned in with incorrect velocity and rotation data. This can cause the player to fall through any non-fluid blocks and die once from either suffocation or void damage. | N/A | Player Death | |
The game crashes if a chest is broken after an item is removed from it. | N/A | Crash | |
Changes to any block entities within a given chunk are only saved if another block entity is placed in the same chunk as them. | MCPE-8233 | Item + Block Damage | |
Chunk loading hangs when the game attempts to generate a new chunk containing a mushroom fields biome. Once this occurs, attempting to quit to the main menu also causes the game to hang. | MCPE-8826 | Crash + Softlock | |
v0.11.0 alpha build 3 | When loading into a world, the player is sometimes spawned in with incorrect velocity and rotation data. This can cause the player to fall through any non-fluid blocks and die once from either suffocation or void damage. | N/A | Player Death |
The game crashes if a chest is broken after an item is removed from it. | N/A | Crash | |
Changes to any block entities within a given chunk are only saved if another block entity is placed in the same chunk as them. | MCPE-8233 | Item + Block Damage | |
Chunk loading hangs when the game attempts to generate a new chunk containing a mushroom fields biome. Once this occurs, attempting to quit to the main menu also causes the game to hang. | MCPE-8826 | Crash + Softlock | |
v0.11.0 alpha build 4 | The game crashes if a chest is broken after an item is removed from it. | N/A | Crash |
Changes to any block entities within a given chunk are only saved if another block entity is placed in the same chunk as them. | MCPE-8233 | Item + Block Damage | |
Chunk loading hangs when the game attempts to generate a new chunk containing a mushroom fields biome. Once this occurs, attempting to quit to the main menu also causes the game to hang. | MCPE-8826 | Crash + Softlock | |
v0.11.0 alpha build 5 - v0.11.0 alpha build 11 | Chunk loading hangs when the game attempts to generate a new chunk containing a mushroom fields biome. Once this occurs, attempting to quit to the main menu also causes the game to hang. | MCPE-8826 | Crash + Softlock |
v0.11.0 alpha build 12 - v0.11.0 alpha build 13 | Chunk loading hangs when the game attempts to generate a new chunk containing a mushroom fields biome. Once this occurs, attempting to quit to the main menu also causes the game to hang. | MCPE-8826 | Crash + Softlock |
The game crashes if the player is inflicted with Poison. | N/A | Crash | |
v0.11.0 alpha build 14 - v0.11.1 alpha | Chunk loading hangs when the game attempts to generate a new chunk containing a mushroom fields biome. Once this occurs, attempting to quit to the main menu also causes the game to hang. | MCPE-8826 | Crash + Softlock |
0.12.0
Version | Issue | Bug Report | Danger |
---|---|---|---|
v0.12.1 alpha build 1 | Regular golden apples and enchanted golden apples stack with each other. | N/A | Item Damage |
v0.12.1 alpha build 2 | Regular golden apples and enchanted golden apples stack with each other. | N/A | Item Damage |
The game crashes if an item is removed from the first or third slots of an anvil. | MCPE-9465 | Crash | |
v0.12.1 alpha build 3 | Regular golden apples and enchanted golden apples stack with each other. | N/A | Item Damage |
v0.12.1 alpha build 4 - v0.12.1 alpha build 7 | Removing any item from a brewing stand deletes it instead of transferring it to the player's inventory. | MCPE-9814 | Item Damage |
0.13.0
Version | Issue | Bug Report | Danger |
---|---|---|---|
v0.13.0 alpha build 1 | Placing opaque blocks directly above at least two redstone torches that serve as inverted inputs in an AND gate crashes the game. | N/A | Crash |
0.14.0
Version | Issue | Bug Report | Danger |
---|---|---|---|
v0.14.0 alpha build 1 | The game hangs when a sign with emoji symbols on it is rendered. | N/A | Crash + Softlock |
Attempting to add or remove any items from a minecart with chest crashes the game. | MCPE-12497 | Crash | |
Inactive minecarts with TNT activate upon reloading the world. | MCPE-12512 | Entity Damage | |
The game crashes if an arrow, egg, or snowball shot from a dispenser hits a minecart with TNT. | MCPE-14357 | Crash | |
v0.14.0 alpha build 2 | The game hangs when a sign with emoji symbols on it is rendered. | N/A | Crash + Softlock |
Attempting to add or remove any items from a minecart with chest crashes the game. | MCPE-12497 | Crash | |
The game crashes if an arrow, egg, or snowball shot from a dispenser hits a minecart with TNT. | MCPE-14357 | Crash | |
v0.14.0 alpha build 3 | The game hangs when a sign with emoji symbols on it is rendered. | N/A | Crash + Softlock |
The game crashes if an arrow, egg, or snowball shot from a dispenser hits a minecart with TNT. | MCPE-14357 | Crash | |
The contents of a minecart with chest in a given chunk are only saved if at least one of the following conditions occurs after its contents are changed and before the player exits the world:
|
N/A | Item + Entity Damage | |
v0.14.0 alpha build 4 | The game hangs when a sign with emoji symbols on it is rendered. | N/A | Crash + Softlock |
The game crashes if an arrow, egg, or snowball shot from a dispenser hits a minecart with TNT. | MCPE-14357 | Crash | |
The contents of a minecart with chest in a given chunk are only saved if at least one of the following conditions occurs after its contents are changed and before the player exits the world:
|
N/A | Item + Entity Damage | |
Items are not properly transferred into or out of hoppers, potentially breaking redstone contraptions. | MCPE-13064 | Block Damage | |
v0.14.0 alpha build 5 - v0.14.0 alpha build 6 | The game hangs when a sign with emoji symbols on it is rendered. | N/A | Crash + Softlock |
The game crashes if an arrow, egg, or snowball shot from a dispenser hits a minecart with TNT. | MCPE-14357 | Crash | |
The contents of a minecart with chest in a given chunk are only saved if at least one of the following conditions occurs after its contents are changed and before the player exits the world:
|
N/A | Item + Entity Damage | |
v0.14.0 alpha build 7 - v0.14.1 alpha | The game hangs when a sign with emoji symbols on it is rendered. | N/A | Crash + Softlock |
The game crashes if an arrow, egg, or snowball shot from a dispenser hits a minecart with TNT. | MCPE-14357 | Crash | |
v0.14.2 alpha - v0.14.3 alpha | The game crashes if an arrow, egg, or snowball shot from a dispenser hits a minecart with TNT. | MCPE-14357 | Crash |
0.15.0
Version | Issue | Bug Report | Danger |
---|---|---|---|
v0.15.0 alpha build 1 - v0.15.2 alpha | The game crashes if an arrow, egg, fire charge, or snowball shot from a dispenser hits a minecart with TNT. | MCPE-14357 | Crash |
Activating a redstone contraption that makes a piston push itself causes the game to crash. | MCPE-14522 | Crash | |
The game crashes when a cauldron with any liquid in it is pushed by a piston. | MCPE-14805 | Crash | |
The game crashes if a piston moves a detector rail with a minecart on it to an invalid location. | MCPE-16093 | Crash | |
v0.15.3 alpha - v0.15.10 alpha | The game crashes when a cauldron with any liquid in it is pushed by a piston. | MCPE-14805 | Crash |
The game crashes if a piston moves a detector rail with a minecart on it to an invalid location. | MCPE-16093 | Crash |
0.16.0
Version | Issue | Bug Report | Danger |
---|---|---|---|
v0.16.0 alpha build 1 - v0.16.0 alpha build 3 | The game crashes when a cauldron with any liquid in it is pushed by a piston. | MCPE-14805 | Crash |
The game crashes if a piston moves a detector rail with a minecart on it to an invalid location. | MCPE-16093 | Crash | |
The game crashes when a chunk near a stronghold that generates underneath a village is loaded. | MCPE-14641 | Crash + Softlock | |
v0.16.0 alpha build 4 | The game crashes when a cauldron with any liquid in it is pushed by a piston. | MCPE-14805 | Crash |
The game crashes if a piston moves a detector rail with a minecart on it to an invalid location. | MCPE-16093 | Crash | |
The game crashes when a chunk near a stronghold that generates underneath a village is loaded. | MCPE-14641 | Crash + Softlock | |
Effects applied to any mobs, including the player, are not saved in this version. | MCPE-17081 | Entity Damage | |
The game crashes if a pig or villager is struck by lightning on Peaceful difficulty. | MCPE-17259 | Crash | |
Horses with markings on them saved in a previous version either gain glitched textures or crash the game when rendered. | N/A | Entity Damage + Crash + Softlock | |
The player's health, hunger, saturation, and oxygen levels are not properly saved and are set to full upon reloading the world. | N/A | Entity Damage | |
In worlds last saved in a previous version, any equipment on horses and pigs is deleted. | N/A | Entity Damage | |
Arrows shot by the player or dispensers cannot be collected. | N/A | Item Damage | |
Any entities on fire are extinguished upon reloading the world. | N/A | Entity Damage | |
Minecarts with hoppers previously saved in v0.16.0 build 3 or earlier become permanently disabled, even if they pass over an activator rail. | N/A | Entity Damage | |
Villagers updated to this version lose their profession and turn into farmers. | N/A | Entity Damage | |
v0.16.0 alpha build 5 | The player's oxygen level is not properly saved and is set to full upon reloading the world. | N/A | Entity Damage |
Arrows shot by dispensers cannot be collected. | N/A | Item Damage | |
Any entities on fire are extinguished upon reloading the world. | N/A | Entity Damage | |
Minecarts with hoppers previously saved in v0.16.0 build 3 or earlier become permanently disabled, even if they pass over an activator rail. | N/A | Entity Damage | |
The game frequently crashes when a mob killed by a Looting-enchanted sword has its drops transferred into a hopper. | MCPE-18371 | Crash | |
v0.16.0 alpha - v0.16.2 alpha | The player's oxygen level is not properly saved and is set to full upon reloading the world. | N/A | Entity Damage |
Arrows shot by dispensers cannot be collected. | N/A | Item Damage | |
The game frequently crashes when a mob killed by a Looting-enchanted sword has its drops transferred into a hopper. | MCPE-18371 | Crash |
Pocket Edition
1.0.0
Version | Issue | Bug Report | Danger |
---|---|---|---|
alpha 0.17.0.1 | The player's oxygen level is not properly saved and is set to full upon reloading the world. | N/A | Entity Damage |
Arrows shot by dispensers cannot be collected. | N/A | Item Damage | |
The game frequently crashes when a mob is killed by a Looting-enchanted sword. | MCPE-18371 | Crash | |
The game crashes if an end portal is rendered while fancy graphics is off. | MCPE-18140 | Crash | |
The game crashes when a hopper collects an item entity. | MCPE-18157 | Crash | |
The game crashes when an enderman is hit by a splash water bottle. | N/A | Crash | |
alpha 0.17.0.2 | Arrows shot by dispensers cannot be collected. | N/A | Item Damage |
alpha 1.0.0.0 - 1.0.9 | The game crashes if an open chest is moved by a piston. | MCPE-19980 | Crash |
1.1.0
Version | Issue | Bug Report | Danger |
---|---|---|---|
alpha 1.1.0.0 - alpha 1.1.0.1 | Dyeing a shulker box deletes its name and its contents. | MCPE-20739 | Item Damage |
The game crashes if an open chest is moved by a piston. | MCPE-19980 | Crash | |
The game crashes if the player falls into the void while their render distance is set to a value greater than eight chunks. | MCPE-21240 | Crash | |
Maps that generate in stronghold library chests crash the game when transferred into the player's inventory. | MCPE-22444 | Crash | |
alpha 1.1.0.3 | Dyeing a shulker box deletes its name and its contents. | MCPE-20739 | Item Damage |
Attempting to write more than four lines of text on a sign crashes the game. | N/A | Crash | |
The game crashes if an open chest is moved by a piston. | MCPE-19980 | Crash | |
The game crashes if the player falls into the void while their render distance is set to a value greater than eight chunks. | MCPE-21240 | Crash | |
Maps that generate in stronghold library chests crash the game when transferred into the player's inventory. | MCPE-22444 | Crash | |
alpha 1.1.0.4 | Attempting to write more than four lines of text on a sign crashes the game. | N/A | Crash |
The game crashes if an open chest is moved by a piston. | MCPE-19980 | Crash | |
The game crashes if the player falls into the void while their render distance is set to a value greater than eight chunks. | MCPE-21240 | Crash | |
Maps that generate in stronghold library chests crash the game when transferred into the player's inventory. | MCPE-22444 | Crash | |
alpha 1.1.0.5 - alpha 1.1.0.9 | The game crashes if the player falls into the void while their render distance is set to a value greater than eight chunks. | MCPE-21240 | Crash |
Maps that generate in stronghold library chests crash the game when transferred into the player's inventory. | MCPE-22444 | Crash | |
1.1.0 - 1.1.5 | Maps that generate in stronghold library chests crash the game when transferred into the player's inventory. | MCPE-22444 | Crash |
Bedrock Edition
1.2.0
Version | Issue | Bug Report | Danger |
---|---|---|---|
beta 1.2.0.2 - beta 1.2.0.11 | Maps that generate in stronghold library chests crash the game when transferred into the player's inventory. | MCPE-22444 | Crash |
1.17.0
Version | Issue | Bug Report | Danger |
---|---|---|---|
1.17.10[test] | Going through an end portal gives the player fall damage based on its height in the Overworld. An end portal being on Y=76 is enough to kill an unarmored player. | MCPE-135226 | Player Death |
1.19.0
Version | Issue | Bug Report | Danger |
---|---|---|---|
1.19.71 | Creating a tutorial world crashes the game. | N/A | Crash |