In many cases, recipes are not unlocked until exiting the crafting UI

Searched before, but apparently this hasn't yet been reported.

When crafting an item for the first time and it enters the inventory, it would be expected that recipes involving them would be unlocked there and then. However, they are not unlocked until exiting the UI (note how the toast pops up then).

Crafting:

Clearly now in the inventory, no unlock:

Exiting the inventory, only now does it unlock: