The recipe book can partially break after a /reload. Even if there is only teh default (vanilla) datapack.
Then only new unlocked recipes can be applyed to the crafting grid from the recipe book.
If the world gets reopened the recipe book works again.
Environment
Windows 10 pro x64
Java: standard accessory (1.8.0_25 64bit)
CPU: i7-2600k @3.4GHz 4.4GHz OC
GPU: GTX 970 (NVIDIA 391.01)
Duplicate of my issue, MC-122940