Problem: Golden pickaxe (with Fortune II, Efficiency IV) drops nothing when mining diamond ore, lapiz azul ore, Redstone ore, or iron ore.
Exceptions: mining coal, stone, and granite worked fine.
NOTE: my version shows 1.16.50, but Jira field won’t let me submit the bug with that version number.
Thank you for your report!
We're tracking this issue in MCPE-73971, so this ticket is being resolved and linked as a duplicate.
That ticket has already been resolved as working as intended, which means this is not considered a bug and won't be fixed. Please do not leave a comment on the linked ticket.
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