I realized that somehow the advancement stayed when I upgraded to 20w15a.
If you type in "/advancement grant @p only minecraft:adventure/adventuring_time basalt_delta" you will see, nothing shows up.
MC-177813
Basalt Delta Isn't Required For The "Adventuring Time" Advancement
Resolved
Duplicate
1
Thank you for your report!
We're actually already tracking this issue in MC-172999, so I've resolved and linked this ticket as a duplicate.
That ticket has already been resolved, which means this is not considered a bug and won't be fixed. Please do not leave a comment on the linked ticket.
If you haven't already, you might like to make use of the search feature to see if the issue has already been mentioned.
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