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Grim Anticheat

Grim Anticheat

Fully async, multithreaded, predictive, open source, 3.01 reach, 1.005 timer, 0.01% speed, 99.99% antikb, "bypassable" 1.8-1.21 anticheat

43.2k
84
Game Mechanics
Management
Utility

Compatibility

Minecraft: Java Edition

1.21.x
1.20.x
1.19.x
1.18.x
1.17.x
1.16.x
1.15.x
1.14.x
1.13.x
1.12.x
1.11.x
1.10.x
1.9.x
1.8.8–1.8.9

Platforms

Bukkit
Folia
Paper
Purpur
Spigot

Supported environments

Server-side

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Links

Report issues View source Visit wiki Join Discord server

Creators

GrimACOrganization

Details

Licensed GPL-3.0-or-later
Published 10 months ago
Updated 2 months ago
DescriptionChangelogVersions
All versionsGrimAC 2.3.71

GrimAC 2.3.71

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Changelog

This update does NOT add support for 1.21.5. The changes in 1.21.5 are complex and we do not recommend allowing 1.21.5 players on your server at this time.

Grim is going multi-platform! The platform-independence branch will soon be merged, adding support for Fabric.

  • Stop Paper taking 10 years to remap the plugin (SamB440)
  • Add setting for checking for updates on startup check-for-updates (SamB440)
  • Fixed errors with mitigate-desync-noslow (ManInMyVan)
  • Fixed some Sprint check falses (ManInMyVan)
  • Fixed modelling teleport packets for entities on clients < 1.16.2 (Axionize)
  • Fixed a rare CME in LatencyUtils (Axionize)
  • Added a custom setback violation threshold (GigaZelensky)
  • Fixed some issues with entity pushing and improved performance (SamB440)
  • Fixed spectate command on Folia (AoElite)
  • Fixed end of tick support for Folia (AoElite)
  • Fixed SOME water pushing issues on 1.21.2+ (Cyramek)
  • Fixed not re-encoding stupidity packet, leading to bypasses (SamB440)
  • Fixed AimModulo360 false flag in versions <= 1.13 (483378)
  • Added Hitboxes to punishments config (483378)
  • Fixed copper door falses (483378)
  • Fixed block collisions in 1.21.2+ and honey block collision (Cyramek)
  • Fixed Trial Spawner FastBreak false (ManInMyVan)
  • Fixed 1.21.2+ item cooldowns (SamB440)
  • Use a single runnable for multi block changes to reduce memory use (SamB440)
  • Patched a noslow bypass (ManInMyVan)
  • Fixed rare AirLiquidBreak NPE (Axionize)
  • Fixed teleport falses on 1.21.4+ (SamB440)
  • Fixed legacy formatting code issues (ManInMyVan)
  • Fixed reset-item-usage-on-item-update breaking vanilla behavior (ManInMyVan)
  • Fixed brand detection with legacy servers and modern clients (ManInMyVan)
  • Fixed vehicle desync when dismounting too fast (Packsolite)

Files

grimac-2.3.71.jar(8.23 MiB) Primary
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Metadata

Release channel

Release

Version number

2.3.71

Loaders

BukkitFolia Paper PurpurSpigot

Game versions

1.8.8–1.21.1, 1.21.2, 1.21.3, 1.21.4

Downloads

26691

Publication date

April 17, 2025 at 5:43 PM

Version ID

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