RC Lite (DEPRECATED) Build for Minecraft 1.21.1, 1.21.5
RC Lite has been discontinuted. Please use Simply Legacy instead.
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- 32 views
- Updated
- Updated 02.10.2026
- 1.21.1 — 1.21.5
Fabric- Client
Please use Simply Legacy, RC Lite has been discontinued
Simply Legacy is a modpack designed to bring an up-to-date vision of Minecraft's Legacy Console Edition. Because of the nature of its feature set, it is naturally much leaner than "RC", so it effectively replaces the entire purpose of this modpack.
How to install RC Lite (DEPRECATED)
With Millida Launcher
Install Millida Launcher
The launcher is free: download it at millida.net/launcher and sign in with any nickname.
Click “Install” on this page
The launcher opens and installs the modpack for Minecraft 1.21.1–1.21.5 on Fabric automatically.
Launch the game
A profile with it appears in the launcher: click “Play”.
Manually
Download the modpack archive
In the version list above, pick the file RCL+1.4.0+mc1.21.5+fabric.mrpack (34 KB).
Import it into a launcher
A launcher that supports modpacks (Millida Launcher, Prism) takes the archive via “Add modpack”, then “From file”. No need to unpack it yourself.
Allocate memory
Modpacks need more memory than the plain game: set 4–6 GB in the profile settings.
Minecraft 1.21.5 runs on Java 21: with a different Java version the game may close right after launch.
Versions
With dependencies
| Minecraft | Loader | File | Date | Actions |
|---|---|---|---|---|
| 1.21.5 | Fabric | 1.21.533.7 KB | ||
| 1.21.4 | Fabric | 1.21.426.8 KB | ||
| 1.21.1 | Fabric | 1.21.126.5 KB | ||
| 1.21.5 | Fabric | 1.21.533.6 KB | ||
| 1.21.4 | Fabric | 1.21.426.8 KB | ||
| 1.21.1 | Fabric | 1.21.126.5 KB | ||
| 1.21.5 | Fabric | 1.21.533.7 KB | ||
| 1.21.4 | Fabric | 1.21.426.8 KB |
What it needs to run
- YetAnotherConfigLib (YACL)already included
- Dependencyalready included
- Dependencyalready included
- ServerCorealready included
- More Cullingalready included
- Cloth Config APIalready included
- Sodiumalready included
- Legacy Worldsalready included
- Legacy Skin Packsalready included
- Dependencyalready included
- Dynamic FPSalready included
- Entity Cullingalready included
- Enhanced Block Entitiesalready included
- Fabric APIalready included
- Dependencyalready included
- Concurrent Chunk Management Engine (Fabric)already included
- Legacy Modpack Resourcesalready included
- Your Options Shall Be Respected (YOSBR)already included
- Dependencyalready included
- Kryptonalready included
- BadOptimizationsalready included
- Legacy4Jalready included
- Lithiumalready included
- Customizable Player Modelsalready included
- Factory APIalready included
- ModernFixalready included
- FerriteCorealready included
- ThreadTweakalready included
- Very Many Players (Fabric)already included
FAQ
Which Minecraft versions does RC Lite (DEPRECATED) work on?
There are files for 1.21.5, 1.21.4, 1.21.1. The newest is 1.21.5.
Is RC Lite (DEPRECATED) for Forge or Fabric?
Only for Fabric: 1.21.1–1.21.5.
Which mods are in the RC Lite (DEPRECATED) modpack?
Mods in the modpack include YetAnotherConfigLib (YACL), Dependency, ServerCore, More Culling, Cloth Config API, Sodium, Legacy Worlds, Legacy Skin Packs and 17 more.
Which Java does RC Lite (DEPRECATED) need?
Minecraft 1.21.5 runs on Java 21. If the game closes right after launch, the usual cause is the wrong Java version in the profile settings.
Where can I download RC Lite (DEPRECATED) safely?
On this page: the file RCL+1.4.0+mc1.21.5+fabric.mrpack (34 KB) is stored on Millida’s server, with no link shorteners. SHA-1 checksum: b2dffca014f5276d02be279c48da176ee7a06b56.
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