This should not be used unless you are making Fabric run on a version which there are no (similar) intermediaries available for.
Generating intermediary requires Stitch (pre-built releases) or available at the source repository Stitch (source) After either building or downloading a pre-built release, one must have a minecraft JAR to use and the Stitch JAR.
- Open a Command Prompt (Windows) / Terminal (MacOS/Linux variants)
- Go to the directory which contains both the Minecraft JAR and Stitch using
cd
- Invoke the Java Runtime Environment to run Stitch. Stitch has the available commands: