Java Edition 1.21.9 Pre-Release 2
Minecraft 1.21.9 Pre-Release 2
| Edition | |||||||
|---|---|---|---|---|---|---|---|
| Release date |
September 19, 2025 | ||||||
| Type | |||||||
| Pre-release for | |||||||
| Downloads | |||||||
| Obfuscation maps | |||||||
| Protocol version |
dec: 1073742094 | ||||||
| Data version |
4550 | ||||||
| Resource pack format |
69.0 | ||||||
| Data pack format |
88.0 | ||||||
| Minimum Java version | |||||||
| |||||||
{
"title": "Minecraft 1.21.9 Pre-Release 2",
"images": [
"1.21.9-pre2.jpg",
"Java Edition 1.21.9 Pre-Release 2.png"
],
"rows": [
{
"field": "''(link to Java Edition article, displayed as Java Edition)''",
"label": "(link to Edition article, displayed as Edition)"
},
{
"field": "September 19, 2025",
"label": "Release date"
},
{
"field": "(link to Pre-release article, displayed as Pre-release)",
"label": "(link to Version types article, displayed as Type)"
},
{
"field": "(link to Java Edition 1.21.9 article, displayed as 1.21.9)",
"label": "Pre-release for"
},
{
"field": "[https://piston-data.mojang.com/v1/objects/d8c99a813b86518f1a13d48e9e6248f8164c8a8e/client.jar Client] ([https://piston-meta.mojang.com/v1/packages/cc3e1fb90f8fa636b4197fa52f9a9b7f8679d313/1.21.9-pre2.json .json])<br />[https://piston-data.mojang.com/v1/objects/cd046af3f42191edbcc4870f11e06e95582dbbda/server.jar Server]",
"label": "(link to Tutorial:Installing a version#Manual version installation article, displayed as Downloads)"
},
{
"field": "[https://piston-data.mojang.com/v1/objects/5e1219088ff7bb732e5b00bd994e12cadb23b753/client.txt Client]<br />[https://piston-data.mojang.com/v1/objects/e86dffa9bbc75324d71e44a11adf8dcda686e076/server.txt Server]",
"label": "(link to Obfuscation map article, displayed as Obfuscation maps)"
},
{
"field": " <span style=\"font-size:smaller\"><abbr title=\"decimal\">dec</abbr>: </span>1073742094<br /> <span style=\"font-size:smaller\"><abbr title=\"hexadecimal\">hex</abbr>: </span>4000010E",
"label": "(link to Protocol version article, displayed as Protocol version)"
},
{
"field": "4550",
"label": "(link to Data version article, displayed as Data version)"
},
{
"field": "69.0",
"label": "<span style=\"white-space: normal;\">(link to Pack format#List of pack formats article, displayed as Resource pack format)</span>"
},
{
"field": "88.0",
"label": "<span style=\"white-space: normal;\">(link to Pack format#List of pack formats article, displayed as Data pack format)</span>"
},
{
"field": "<span class=\"plainlinks\">[https://en.wikipedia.org/wiki/Java_version_history#Java_SE_21_.28LTS.29 Java SE 21]</span>",
"label": "<span style=\"white-space: normal;\">Minimum Java version</span>"
}
],
"invimages": [],
"footer": "<table style=\"margin: auto; word-break: break-word;\">\n<tr style=\"background: inherit;\">\n<td style=\"padding: 0.4em\" >[[Java Edition 1.21.8|<span style=\"margin-right:-0.35em\">◄</span>◄ 1.21.8]]</td>\n<td style=\"padding: 0.4em\">'''[[Java Edition 1.21.9|1.21.9]]'''</td>\n<td style=\"padding: 0.4em\" >[[Java Edition 1.21.10| 1.21.10 <span style=\"margin-right:-0.35em\">►</span>►]]</td>\n</tr>\n<tr style=\"background: inherit;\">\n<td style=\"padding: 0.4em\">\n[[Java Edition 1.21.9 Pre-Release 1|◄ 1.21.9 Pre-Release 1]]\n</td>\n<td style=\"padding: 0.4em\">''' 1.21.9 Pre-Release 2'''</td>\n<td style=\"padding: 0.4em\">\n[[Java Edition 1.21.9 Pre-Release 3| 1.21.9 Pre-Release 3 ►]]\n</td>\n</tr>\n</table>"
}
1.21.9 Pre-Release 2 (known as 1.21.9-pre2 in the launcher) is the second pre-release for Java Edition 1.21.9, released on September 19, 2025.[1]
Changes
Mobs
- The copper golem's behavior for turning into a statue has been tweaked to match Bedrock Edition.
- Copper golems no longer need to be close to the center of an empty block position in order to turn into a statue.
- Copper golems now have the possibility to turn into a statue as soon as they become fully oxidized.
General
- The data pack format version is now
88.0.- This is due to breaking changes to
/setworldspawnand/spawnpointin the previous pre-release.
- This is due to breaking changes to
Fixes
From 1.21.8
- MC-301770 – The
below_nameplate is not displayed higher for players and mannequins named “deadmau5”.
From the 1.21.9 development versions
- MC-300362 – Copper golems do not oxidize when
doDaylightCycleis disabled. - MC-301566 – Occasional sound crash on resource pack reload.
- MC-301706 – Server Management Protocol does not support parameters as object (by-name).
- MC-301963 – Copper golems cause huge lag spikes when checking chests.
- MC-302088 – Oxidized Copper Golems take an extremely long time to turn into a statue.
From the previous development version
- MC-302112 – Posed mannequins don't use the correct hitbox.
- MC-302117 – Text display billboarding is broken.
- MC-302120 – Dimension-specific world spawn point causes mob spawning in other dimensions to fail.
- MC-302148 – Copper Golem does not get close enough to search the chest, getting permanently stuck.
- MC-302164 – Breaking change to
/setworldspawnand/spawnpointin minor datapack version.
Videos
Video made by Slicedlime:
References
- ↑ "Minecraft 1.21.9 Pre-Release 2" – Minecraft.net, September 19, 2025.
.png){kind=small}
.png){kind=icon}
.png){kind=small}
