Recipe Stages Mod 1.16.5/1.12.2 is an add-on for the GameStages API. From now on, it’s not difficult for the user to drop recipes into custom progression systems.
About Recipe Stages
The current mod will allow recipes to exist in a custom progression mechanism.
You’d better search for the information about the GameStage API to learn much more about how that works.
It’s possible to understand that stages are parts of the progression system that the mod pack or server builds up.
These stages will appear for the players through a command. The command will run depending on a questing mod, advancement, or a Command block.
Recipe Stages is a mod around CraftTweaker. It needs you to download and install Minecraft Forge so it can begin.