Sledgehammer

Sledgehammer utilises SpongePowered/Mixin to patch issues in Minecraft and Forge mods

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 SpongePowered/SpongeCommon#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 P3pp3rF1y/Reliquary#370
Redirect Ruins debugging messages
Fix Daveyx0/PrimitiveMobs#59 (Sponge only)
Force permission check for OP based commands (Sponge only)
Fix Misty World portal issues (Sponge only)
Fix An-Sar/PrimalCore#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)

The jar containing '-sponge' does not contain these dependencies as they are already present in a Sponge environment.

External resources