Java Edition field instrument

OlderCraft

Repair bench version core

Compatibility is a recorded fit, not a promise.

Pick a version. See what still connects.

Manual
VERSIONS/JAVA/1.21.4
Record
Java Edition
Edition
2.0.0
Protocol769network stratum

Accession 1.21.4 Java Edition release

Minecraft: Java Edition 1.21.4

Coverage-edge release retained on verification hold.

Published
2024-12-03
Network protocol
769
Evidence
verification hold

Fit / protocol 769

Who shakes hands with 1.21.4

Compatibility is Unknown. This row cannot produce a peer-interoperability conclusion while it remains on verification hold.

Core / neighbors

Position in the record

Procedure / 03

Safe next steps

  1. Want to run 1.21.4 today? Follow the launcher isolation guide.
  2. Opening an existing world in a different version? Copy it first; format upgrades are one-way.
  3. Compare this era against another on the workbench or the timeline.

Compiled 2026-07-14 from Mojang version manifest v2, minecraft.wiki protocol version record, PrismarineJS minecraft-data.Record 1.21.4; last substantive change 2026-07-18; publication state verification-hold.