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Frequently Asked Questions (from users)

This is the simplified version! For technical answers, see the "expert mode" supplement.


What Minecraft versions does Fabric support?

For most cases, the answer is “snapshot 18w43b and above, releases 1.14 and above”.

There exist ways to run Fabric with older versions - modded or vanilla, but they're currently non-trivial - see the expert FAQ for more details.

Are there any premade Fabric modpacks?

A few modpacks are currently being distributed via MultiMC exports, such as All of Fabric. Don't bother with the Launchpacks - they are generally “proof of concept” and not intended for production gameplay.

What launchers can I use to play with Fabric mods (on a custom/home-assembled modpack)?

As of 30th June, the following launchers are available for this:

  • MultiMC - a guide is available here; newest development builds also include an “Install Fabric” button.
  • Vanilla - an installer is available on Fabric's download page.

Please keep in mind that Fabric API is a separate component and must be downloaded separately - you can find it here.

We recommend MultiMC due to its superior user experience for modded environments.

What launchers can I use to share a Fabric modpack?

As of 30th June, the following launchers are available for this:

  • MCUpdater - guide
  • Technic (Solder) - guide
  • ATLauncher - guide
  • MultiMC/Vanilla - you can always export a modpack or use a ZIP file!

Please note that we have no information or ETA regarding support by the Twitch Launcher.


Can Fabric run together with Bukkit/Spigot/Paper?

Not at the moment. This may change by the end of the year, but is unlikely to be officially supported.

Can Fabric run together with Forge?

  • Fabric does not currently work on top of Forge on modern Minecraft versions.
  • It is theoretically possible to create a way to do so - that is to say, there are no known major technical obstacles in accomplishing such.
  • There were some experiments and discussions done in this regard (as of 30th June), but nothing usable by end users or mod developers.

The development team does not consider Forge interop a high-priority goal, as our focus in our limited time dedicated to the project is on supporting the Fabric community and its developers and users.

Can Fabric run together with OptiFine?

Not officially. However, unofficial mods exist to faciliate the launching of OptiFine for 1.14+ on Fabric. Your mileage may vary, however.

Oh no! I've tried enabling shaders on OptiFine and my world looks all weird!

Fabric's rendering patches, while as minimally invasive as possible, make some assumptions about the data format used internally by the vanilla rendering system. Shaders break this assumption, so things go awry. Workarounds do exist and are implemented by the most recent versions of said unofficial mods.

DO NOT downgrade Fabric API as a workaround for this. It's a bad idea.

Can Fabric run together with Sponge?

Not at the moment. Sponge does not yet have a ready API or a working implementation for 1.14, the Minecraft version that Fabric runs on.

faq/user.txt · Last modified: 2019/07/06 00:10 by liach