https://youtu.be/RZytEJO6sks

1. Using Q, drop an item in your inventory.
2. Spam click the crafting table in the recipe book (Or any other recipe for that matter which uses more than two components)
3. Often, the dropped item will be collected as a 65 stack.

Please inform me if this has already been patched and that I am using an outdated spigot version - if this is the case I apologise.

God bless Spigot.