The recipe book on the crafting table cannot update the item formula normally, even if enough materials are collected to synthesize the item.
Affected items include but are not limited to: picks, axes, shovels, swords and hoes of any material (except those made of netherite material).
The attached video shows the situations in detail.
Thank you for your report!
We're actually already tracking this issue at MCPE-100257, so I will resolve and link this ticket as a duplicate.
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