Three things are done by I am Very Smart Mod (1.16.5 and 1.15.2).
- When the game begins (server-side), unlock all the recipes in the recipe books.
- Client-side: Hide unlocked recipe notifications
- Hide tutorial notifications (client side)
With a data pack, you can set which recipes will be unlocked automatically. This is particularly useful for modders who do not want their recipes to be unlocked automatically.