Lightning Grim Anticheat

• Add a warning to add -Dpaper.explicit-flush=true for extra reach accuracy if you have already enabled enable-post-packet under Reach for extra reach accuracy. You need both for maximum accuracy.
• Update config. Make checking for blocks blocking a hit on by default and checking for entities blocking a hit off by default (less tested). Both are configurable in new config as skip-block-check and skip-entity-check under Reach

• NoSlow fix for old and new clients on legacy servers and old clients on modern servers

• Quick patch for issue with riptide evicting queue being empty. Causes console spam and kicks on older versions.

• Fix library issues such as with fastutils being caused because previous jar wasn't relocated
• Fix riptide trident teams/non-pushable target falses. This also fixes players to go through other players on the same team with riptide.

• Update upstream
  • Update fastutils - potentially fix rare bug causing lots but not all players to timeout/disconnect and for the server to crash
  • Patch paper dupe
  • Fix legacy Cauldron hitbox
  • Japanese translations
  • Improve reach check; reduce leniency
• Fix Simulation false caused by inaccurate map model
• Very minor internal improvements
• Add new grim.verbose.enable-on-join permission that automatically enables verbose on join

• Fix Simulation/Collision false/issues with walls where client is > 1.12.2 and server is < 1.13
• Fix an AirLiquidPlace false
• Fix fixed BadPackets E & R falsing on 1.21.2+ players in vehicles

• Fix CCB constructor causing error with Fence Hitboxes

• Reduce movement threshold lenience given to players in newer versions
• New BadPacketsX and Z checks falses fixed and no longer experimental

• Fixed PacketOrder loading errors

• Fix PacketOrder falses

• Fix CollisionBoxes of Walls broken during previous optimization

• Merge upstream
  • Fix race condition and exception when registering check permissions during rapid consecutive player joins on server start
• Fix a NPE when calling .offset() on CollisionBoxes in some cases after copying them, caused by optimizations in B16 being incomplete
• Fix Pink Petals Hitbox (Coral Fan) for > 1.12.2 and =< 1.19.3 players

Note that these changes have not been fully tested. Please beware and report any issues you find immediately.

• Fixed PacketOrder falses
• Fixed Inventory falses
• Optimized Hitbox/Collision Boxes for better eprofmrance

• Updated upstream
  • Fix MultiInteract issues
  • Fix Folia errors

• Fix console spam from leftover debug print statement
• Fix Hitbox error caused by downcasting ComplexCollisionBoxes that contain other ComplexCollisionBoxes. All CCBs are now flat.

• Fixed marker armor stands not being parsed correctly in legacy versions.

• Fix armor stand (including small armor stand) hitboxes

• Fix falses caused by Armor stands with the marker NBT tag which can be hit through in vanilla.

• New Packet Ordering checks (currently no known falses, but please report any issues!)
• Detects
  • some superknockbacks
  • ncp noslow (with setback)
  • switch noslow (with setback)
  • some bad keypearls
  • some bad autoblocks

• Adds new inventory interact checks
  • Stops players from using inventory and sprinting/sneaking.
  • Stops players from using crafting grid as extra storage
  • Stops most inventory related hacks
• Known Issues (1.8.9 only)
  • InventoryG falses when sprinting or sneaking and opening inventory
  • Inventory* falses with twitch button
  • InventoryE falses when the server sets the clients slot