Sledgehammer
Modby LX_Gaming
Smashes the stupid out of the client & server.
Type
Mod
CurseForge Downloads
8,287,280
CurseForge ID
Modrinth Downloads
103,185
Modrinth ID
Last Updated
Nov 6, 2026
Description
Sledgehammer utilises SpongePowered/Mixin to patch issues in Minecraft and Forge mods.
Features
- Configurable
- Compatible with Forge, SpongeForge, and SpongeVanilla
Client Patches
- Fix https://github.com/BluSunrize/ImmersiveEngineering/issues/3474
- Disable SearchTree reloading (Speeds up server connection process)
- Increase the maximum length for a WorldType name in SPacketJoinGame
Common Patches
- Prevent crashes due to invalid translation keys
- Make LazyLoad Thread-safe (Should fix MC-68381)
Server Patches
- Print a single message instead of a stacktrace for advancement errors
- Don't reload Advancements on World Load (Fixes Achievement issues on SkyFactory 4)
- Fix NullPointerException in BiomeProvider::findBiomePosition
- Prevent Grass turning into Dirt
- Prevent Ice turning into Water
- Prevent Totemic from changing the weather
-
Chunk Saving
- Alert players when a chunk fails to save
- Remove all Entities and TileEntities from chunks that fail to save
- Remove all blacklisted items from chunks that fail to save
- Generate a crash report and safely stops the server if a chunk fails to save
- Reduce Network usage by postponing flush
- Fix https://github.com/SpongePowered/SpongeCommon/issues/2013
- Redirect inventory debugging messages added by Sponge
- Fix MC-134716 - Player kick exploit
- Prevent or delete any items that attempt to teleport across dimensions
- Limit books to 50 pages with 255 characters for each
- Fix potential deadlock on shutdown
- Prevent ConcurrentModificationException in PlayerChunkMap
- Fix Item spawn packet exploit with ProjectRed
- Fix https://github.com/P3pp3rF1y/Reliquary/issues/370
- Redirect Ruins debugging messages
- Fix https://github.com/Daveyx0/PrimitiveMobs/issues/59 (Sponge only)
- Force permission check for OP based commands (Sponge only)
- Fix Misty World portal issues (Sponge only)
- Fix https://github.com/An-Sar/PrimalCore/issues/210 (Fixed in 0.6.56 according to Dev) (Sponge only)
- Prevent movement outside of the world border (Sponge only)
- Prevent sending blank death messages (Sponge only)
Dependencies
The jar containing '-sponge' does not contain these dependencies as they are already present in a Sponge environment.
Source
License
Sledgehammer is licensed under the Apache 2.0 license.
You are allowed to include this mod in your modpack.
Compatibility
Mod Loaders
Game Versions
Recommended Gear
AffiliateHardware and extras that pair well with this mod.
As an Amazon Associate I earn from qualifying purchases.
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