When opening the recipe book you'll often come across recipes which you can and cannot make (colored in red). If you click on a recipe you can make, then click on a recipe you cannot make (colored red) and then back again on a recipe you can make it will use multiple source items without having pressed shift.
Steps to reproduce:
/give @p log 32
The recipe for planks should show up, as well as the recipe for a crafting table (and others).
Click on the recipe of the planks, it shows 1 log to 4 planks.
Click on an uncraftable recipe, for example the crafting table.
Click on the recipe for planks again, this will now most likely use 2 or more logs as source while the result (planks) never show.
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However, this issue has been closed as a Duplicate of MC-115436.
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