Issues

• [Exploit] Spamming ServerboundFinishConfigurationPacket causes chunk lag & TPS drops

  status: needs triagetype: performance
  PaperMC/Folia#520 · Filter by author Keoos1337 opened on Oct 2, 2026
  1

• 26.3 support?

  status: needs triagetype: feature
  PaperMC/Folia#507 · Filter by author moda84 opened on Sep 16, 2026
  5

• Map autosave regression after maps moved to server-global SavedDataStorage

  status: needs triagetype: bug
  PaperMC/Folia#505 · Filter by author TenkyuChimata opened on Sep 14, 2026
  5

• Rejected Allay interaction leaves client inventory and equipment visually desynchronized

  status: needs triagetype: bug
  PaperMC/Folia#502 · Filter by author Ecilpse opened on Aug 17, 2026
  2

• PlayerTeleportEvent does not fire for most teleports

  status: needs triagetype: bug
  PaperMC/Folia#490 · Filter by author whimxiqal opened on Aug 9, 2026
  6

• Server crash - ConcurrentModificationException at ServerDebugSubscribers.tick (1.21.11)

  status: needs triage
  PaperMC/Folia#472 · Filter by author bastard99 opened on Jul 12, 2026

• Note blocks do not respond to redstone and pitch never changes on player interaction

  status: needs triagetype: bug
  PaperMC/Folia#470 · Filter by author GFgeferson opened on Jun 18, 2026
  2

• Option to couple Nether-Overworld portal-linked regions to the same thread

  status: needs triagetype: feature
  PaperMC/Folia#469 · Filter by author Le-Petit-C opened on Jun 15, 2026

• Auto upstream update?

  status: needs triagetype: feature
  PaperMC/Folia#468 · Filter by author personalized-advertising opened on Jun 11, 2026
  2

• Exploit: Crash Server On-Demand - Configuration State Netty Thread Lock

  status: needs triage
  PaperMC/Folia#454 · Filter by author linsaftw opened on May 5, 2026
  10

• End portal teleports player riding a vehicle to world spawn instead of respawn point (Bukkit portal events bypassed in async portal path)

  status: needs triagetype: bug
  PaperMC/Folia#453 · Filter by author PluginsKers opened on Apr 27, 2026

• Regional Threading Bug with Server Freeze

  status: needs triage
  PaperMC/Folia#447 · Filter by author SimonVitzethum opened on Mar 18, 2026
  1

• Teleporting an entity does not preserve motion

  status: needs triagetype: bug
  PaperMC/Folia#441 · Filter by author NonSwag opened on Feb 3, 2026

• EntityDamageByEntityEvent has incorrect damager instance when player uses ender pearls

  status: needs triagetype: bug
  PaperMC/Folia#438 · Filter by author CitralFlo opened on Feb 2, 2026

• Folia server stops automatically due to threading issue

  status: needs triage
  PaperMC/Folia#437 · Filter by author MrNickax opened on Jan 27, 2026
  5

• Fishing bobber despawns when player changes dimension (Overworld → Nether)

  status: needs triagetype: bug
  PaperMC/Folia#435 · Filter by author sprutil opened on Jan 20, 2026
  2

• Dialogs command not working

  type: bug
  PaperMC/Folia#434 · Filter by author FoxStudiosDev opened on Jan 18, 2026
  1

• Server crashed if a operator use minihud and enabled debug data

  status: needs triage
  PaperMC/Folia#432 · Filter by author Suisuroru opened on Jan 17, 2026

• Villager throws IllegalStateException: World mismatch when entering Nether Portal on Folia

  type: bug
  PaperMC/Folia#431 · Filter by author Pstar233 opened on Jan 15, 2026
  3

• Can not spawn ender dragon in overworld

  status: needs triagetype: bug
  PaperMC/Folia#427 · Filter by author Suisuroru opened on Jan 4, 2026

• [Bug - 1.21.11] Pearls get deleted when switching dimensions.

  status: needs triagetype: bug
  PaperMC/Folia#421 · Filter by author coredex-source opened on Dec 27, 2025
  4

• [Management server IO #1/ERROR]: Error while dispatching rpc method minecraft:server/status

  status: needs triageversion: 1.21.11
  PaperMC/Folia#416 · Filter by author ColeXander opened on Dec 23, 2025
  1

• CraftPlayer.onEntityRemove is not thread safe, crashing server

  type: bug
  PaperMC/Folia#406 · Filter by author Rothes opened on Nov 11, 2025
  3

• Bug with /gamerule spawnRadius x /setworldspawn

  status: needs triagetype: bug
  PaperMC/Folia#401 · Filter by author Gohst101 opened on Oct 4, 2025

• JMX Metrics for Regions

  status: needs triagetype: feature
  PaperMC/Folia#398 · Filter by author whimxiqal opened on Sep 24, 2025