I cannot smelt gold and my friends have experience the same thing, i tried blast furnace and a regular furnace.

Thank you for your report!
We're actually already tracking this issue in MCPE-68978, so I've resolved and linked this ticket as a duplicate.

If you would like to add a vote and any extra information to the main ticket it would be appreciated.

If you haven't already, you might like to make use of the search feature to see if the issue has already been mentioned.

The fortune issue is being tracked at MCPE-67169

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