Issues

• Vanilla 26.3 servers kick every mineflayer bot ~1.5s after join (invalid_player_movement): mineflayer never sends client_tick_end, which 26.3 requires

  PrismarineJS/mineflayer#4189 · Filter by author dario-cositore opened on Oct 18, 2026
  6

• Plugin injection runs from setTimeout(..., 0), so a server that answers promptly is processed before any plugin listens (see #4088)

  PrismarineJS/mineflayer#4173 · Filter by author bcmcmill opened on Oct 8, 2026
  1

• blocks.js: copyMetadata === true is never true on 1.20.5+ (the field is u8), so the same-world respawn guard is dead

  PrismarineJS/mineflayer#4172 · Filter by author bcmcmill opened on Oct 8, 2026

• Empty chunk batch poisons chunksPerTick: batchSize=0 yields NaN because the vanilla > 0 guard was dropped

  PrismarineJS/mineflayer#4171 · Filter by author bcmcmill opened on Oct 8, 2026

• knockback isn't working on version >=1.21.9

  possible bugStage1
  PrismarineJS/mineflayer#4167 · Filter by author MayorLeon20 opened on Oct 5, 2026
  1

• set_player_inventory (1.21.2+) slot is applied as a window-0 slot

  PrismarineJS/mineflayer#4161 · Filter by author QSchlegel opened on Oct 3, 2026

• Sneak on 1.21.3–1.21.5 goes out via player_input, which the server doesn't count

  PrismarineJS/mineflayer#4160 · Filter by author QSchlegel opened on Oct 3, 2026

• bot.game.difficulty is always undefined on 1.21.x — the protocol field is a mapper that already yields a string

  possible bugStage1
  PrismarineJS/mineflayer#4147 · Filter by author elysianx138 opened on Sep 22, 2026

• Bedrock Edition in mineflayer: an edition adapter, shipped in slices

  PrismarineJS/mineflayer#4145 · Filter by author Pix3lPirat3 opened on Sep 19, 2026
  14

• PrismarineJS (+ ProtoDef-io) open backlog - manual review

  possible bugStage1
  PrismarineJS/mineflayer#4143 · Filter by author Pix3lPirat3 opened on Sep 18, 2026

• PrismarineJS (+ ProtoDef-io) open backlog - recommended closures

  possible bugStage1
  PrismarineJS/mineflayer#4142 · Filter by author Pix3lPirat3 opened on Sep 18, 2026
  1

• Design: shared interaction, client tick, and viewer lifecycle foundations

  PrismarineJS/mineflayer#4135 · Filter by author rom1504 opened on Sep 18, 2026
  1

• # My 28 open PRs, grouped

  possible bugStage1
  PrismarineJS/mineflayer#4134 · Filter by author Pix3lPirat3 opened on Sep 18, 2026
  1

• getExplosionDamages uses player dimensions for every entity

  possible bugStage1
  PrismarineJS/mineflayer#4132 · Filter by author Xalzeroph opened on Sep 18, 2026

• kicked event's reason is typed as string but can be a raw chat-component object

  PrismarineJS/mineflayer#4122 · Filter by author DallasCarraher opened on Sep 15, 2026

• My 78 open PRs, grouped

  PrismarineJS/mineflayer#4119 · Filter by author u9g opened on Sep 12, 2026
  5

• You are trying to connect to a server that is running NeoForge, but you are not. Please install NeoForge Version

  possible bugStage1
  PrismarineJS/mineflayer#4097 · Filter by author ironweb10 opened on Sep 8, 2026
  2

• Connection hangs forever in 'configuration' state against MC 1.21.11 (protocol 774) - missing select_known_packs handling, resource_pack_receive bug, registry_data NBT crash

  possible bugStage1
  PrismarineJS/mineflayer#4044 · Filter by author vxkShelby opened on Sep 2, 2026

• Close duplicate issues please for 26.2 support and whatnot.

  possible bugStage1
  PrismarineJS/mineflayer#4042 · Filter by author hokindo9000 opened on Sep 1, 2026

• Auto-Attack / Combat Macro (KillAura-style, inspired by Meteor Client)

  new featureStage1
  PrismarineJS/mineflayer#4041 · Filter by author hokindo9000 opened on Sep 1, 2026
  2

• No Fall Damage Handling

  new featureStage1
  PrismarineJS/mineflayer#4040 · Filter by author hokindo9000 opened on Sep 1, 2026

• Flight Macro / Meteor Client Flight

  new featureStage1
  PrismarineJS/mineflayer#4039 · Filter by author hokindo9000 opened on Sep 1, 2026
  1

• connect_allowed' event) throws raw JavaScript errors

  possible bugStage1
  PrismarineJS/mineflayer#4038 · Filter by author hokindo9000 opened on Sep 1, 2026

• Bot

  possible bugStage1
  PrismarineJS/mineflayer#4002 · Filter by author e3qo12345-cmd opened on Aug 25, 2026

• bot.oxygenLevel / breath are driven by any nearby entity's air_supply, not only the bot's

  PrismarineJS/mineflayer#3985 · Filter by author numenus opened on Aug 23, 2026
  3