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1.21.x Entity Teleport packet has errors

Status: Open.

#3609 In dmulloy2/ProtocolLib;

· kenshineto opened on Mar 27, 2026

NoSuchMethodError: CraftAttribute.minecraftToBukkit - Paper 1.21.11 Remapping Removal

Status: Open.

#3608 In dmulloy2/ProtocolLib;

· xKlezee opened on Mar 26, 2026

Spear bug

Status: Open.

#3607 In dmulloy2/ProtocolLib;

· LenyzDev opened on Mar 19, 2026

using too much cpu

Status: Open.

#3600 In dmulloy2/ProtocolLib;

· JuicyOverflow opened on Feb 23, 2026

/function command failing on Paper 1.21.11

Status: Open.

#3598 In dmulloy2/ProtocolLib;

· OrbitalHorizon opened on Feb 15, 2026

can't access packet read/write method after 1.20.5

Status: Open.

#3597 In dmulloy2/ProtocolLib;

· bobhenl opened on Feb 11, 2026

Bundle packets are handled incorrectly

Status: Open.

#3596 In dmulloy2/ProtocolLib;

· Leymooo opened on Feb 11, 2026

korona anrchi

Status: Open.

#3595 In dmulloy2/ProtocolLib;

· loskaolek-byte opened on Feb 6, 2026

Randomised Command Order Issue with Protocollib

Status: Open.

#3594 In dmulloy2/ProtocolLib;

· Monjiigames opened on Feb 5, 2026

Getting NullPointerExeptionError and problem with IllegalExeptionArgument

Status: Open.

#3593 In dmulloy2/ProtocolLib;

· ILYJNY opened on Feb 1, 2026

NullPointerException when trying to read from getStatisticMaps()

Status: Open.

#3591 In dmulloy2/ProtocolLib;

· MythicalFlame opened on Jan 25, 2026

Fake player NPC: skin overlays (hat/jacket/sleeves/pants) never render on 1.21.11 (ProtocolLib 5.4.1-SNAPSHOT-1257506)

Status: Open.

#3590 In dmulloy2/ProtocolLib;

· x9nico opened on Jan 24, 2026