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/1.17.1
Record
Java Edition
Edition
2.0.0
Protocol756network stratum

Accession 1.17.1 Java Edition release

Minecraft: Java Edition 1.17.1

Stable release in the dated protocol record.

Published
2021-07-06
Network protocol
756
Evidence
published / high

Fit / protocol 756

Who shakes hands with 1.17.1

No other published release in this dated record shares protocol 756. A published protocol equality still does not guarantee login: authentication settings, allowlists, mods, and proxies are separate constraints.

Core / neighbors

Position in the record

  • Previous plug← 1.17 (2021-06-08)
  • Next plug1.18 (2021-11-30) →

Procedure / 03

Safe next steps

  1. Want to run 1.17.1 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 1.17.1; last substantive change 2026-07-18; publication state published.