THCThe Harmonic Client Support me

Current release / August 26, 2026

Download THC 0.2.1

Choose the exact Minecraft version first, then install the matching Fabric or NeoForge build. There is one canonical build per loader and target, and every file below has completed release validation.

Available targets55 validated / Fabric + NeoForge

Primary build / updated first

Minecraft 1.21.1

The source-of-truth THC build. Requires Java 21.

Runtime validatedJava 21
Downloads0Fabric 0 / NeoForge 0

Direct download / Fabric Loader

THC for Fabric

Fabric API 0.104.0 or newer

Download Fabric 1.21.1
SHA-2564F8F627040CDC0F8AF3BDD8892E6C0FBB75C09D1D4EC80479A475D91B3C84CD8

Direct download / NeoForge

THC for NeoForge

NeoForge 21.1

Download NeoForge 1.21.1
SHA-2566486FAAF7A29918F6F255283E33F1B70EB9A6179E9CC8C0D0568EAC497FFFEC9

Compatibility port

Minecraft 1.21.11

Ported from 1.21.1 with the same THC relay protocol. Requires Java 21.

Runtime validatedJava 21
Downloads0Fabric 0 / NeoForge 0

Direct download / Fabric Loader

THC for Fabric

Fabric API 0.141.4 or newer

Download Fabric 1.21.11
SHA-256277836CA1D8AA06678C543DC5CC6961A2CDDB2227AB79FF74DEF9B0C502D3A9D

Direct download / NeoForge

THC for NeoForge

NeoForge 21.11.42 or newer

Download NeoForge 1.21.11
SHA-25621B83F6D919AD12FE5A9AD759B96B861C05ABC296D6CE0D3D4BAD7BDC9B122D1

Validated compatibility port

Minecraft 26.1.1

Built and validated for the Java 25 Minecraft runtime and current rendering APIs.

Runtime validatedJava 25
Downloads0Fabric 0 / NeoForge 0

Direct download / Fabric Loader

THC for Fabric

Fabric API 0.145.4 or newer

Download Fabric 26.1.1
SHA-25608163505ABBF92F4DD216D762031CEBE41558869C734F649EF5AD60C93F8D3E7

Direct download / NeoForge

THC for NeoForge

NeoForge 26.1.1.15-beta or newer

Download NeoForge 26.1.1
SHA-2561D2312E6D6E99A3F19F51DCC9F9ED9065A07B07A6D4FB3D5320BD121A0FD7C29

Validated compatibility port

Minecraft 26.1.2

This Java 25 build has completed relay, interface, and gameplay validation.

Runtime validatedJava 25
Downloads0Fabric 0 / NeoForge 0

Direct download / Fabric Loader

THC for Fabric

Fabric API 0.154.2 or newer

Download Fabric 26.1.2
SHA-256BD4D2F7B8A6E83600C31357407FA3FC4BD4341505067CE81DFA3E563E7819D14

Direct download / NeoForge

THC for NeoForge

NeoForge 26.1.2.80 or newer

Download NeoForge 26.1.2
SHA-2567CD52477679F99234E277BA73E17D07CFF4434C6EFED831BD943ED3FD3ADDB3B

Validated compatibility port

Minecraft 26.2

Ported and validated on Minecraft's deferred world renderer for Java 25 across both loaders.

Runtime validatedJava 25
Downloads0Fabric 0 / NeoForge 0

Direct download / Fabric Loader

THC for Fabric

Fabric API 0.155.0 or newer

Download Fabric 26.2
SHA-25608AA018F426C31204D4E92DEB3E5BC5BA762BB207973AD6580EC1A5DAD80346E

Direct download / NeoForge

THC for NeoForge

NeoForge 26.2.0.21-beta or newer

Download NeoForge 26.2
SHA-2566268DEC189A7BA7FF9BAC8C835D9B889A38C4C2792462E3D5AE1AB49898E26D4

Platform distribution

Prefer CurseForge?

CurseForge carries the same build as the direct and Modrinth downloads. Pick the file whose Minecraft version and loader match your instance. CurseForge can lag behind a release while moderation reviews it.

Download on CurseForge

Modrinth distribution

Download through Modrinth

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View on Modrinth

Across every release

Lifetime downloads

Release counters reset when a new THC version ships. This total preserves all tracked website downloads across every version and Minecraft target.

All-time total0Fabric 0 / NeoForge 0

Release notes

See what changed in 0.2.1

Open changelog
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