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Packets immediately following JoinGame can be dropped during backend transition (26.2 clock desync)

type: bugSomething isn't workingSomething isn't working

Status: Open.

#1873 In PaperMC/Velocity;

· xiaozhangup opened on Aug 28, 2026

Intermittent "Unknown node type 3" decoding AvailableCommandsPacket for OP players — colliding argument-type ids resolved by non-deterministic identity-hash order

Status: Open.

#1868 In PaperMC/Velocity;

· GhOsTSt3p opened on Aug 13, 2026

[Feature Request]Proposal: Add a stable connection identifier accessible across all login-phase events

type: featureNew feature or requestNew feature or request

Status: Open.

#1839 In PaperMC/Velocity;

· xfy2412 opened on Jul 6, 2026

Network protocol error when player is kicked during configuration

type: bugSomething isn't workingSomething isn't working

Status: Open.

#1832 In PaperMC/Velocity;

· davidmayr opened on Jun 26, 2026

Change the license header to use SPDX abbreviations

type: featureNew feature or requestNew feature or request

Status: Open.

#1829 In PaperMC/Velocity;

· WouterGritter opened on Jun 23, 2026

GS4 query handler throws on short/malformed datagrams instead of dropping them

Status: Open.

#1828 In PaperMC/Velocity;

· 3z opened on Jun 23, 2026

Offline-mode login accepts arbitrary Unicode in username — no charset validation

Status: Open.

#1827 In PaperMC/Velocity;

· 3z opened on Jun 23, 2026

read-timeout is too high, effectively does nothing in some scenarios

type: bugSomething isn't workingSomething isn't working

Status: Open.

#1819 In PaperMC/Velocity;

· WouterGritter opened on Jun 2, 2026

How about adding dialog box support?

type: featureNew feature or requestNew feature or request

Status: Open.

#1795 In PaperMC/Velocity;

· Art-Farm opened on May 19, 2026

Plugin messages silently dropped during player join when getConnectedServer() is null

type: bugSomething isn't workingSomething isn't working

Status: Open.

#1766 In PaperMC/Velocity;

· SendableMetatype opened on Apr 6, 2026

Unresolved InetAddress if using hostname in [servers] section of configuration

type: bugSomething isn't workingSomething isn't working

Status: Open.

#1750 In PaperMC/Velocity;

· qyl27 opened on Mar 23, 2026

Decompression attack in MinecraftCompressDecoder#decode

type: bugSomething isn't workingSomething isn't working

Status: Open.

#1742 In PaperMC/Velocity;

· WouterGritter opened on Mar 17, 2026