When committing, I used by mistake the ActifactID of ticket change instead of the ticket hash label:
fossil commit -m "Workaround X [58480ac08c]"
In fossil ui, it is still a clickable link and leads to the ticket. However, the check-in does not appear under "Check-ins Associated With Ticket".
Is there a way to associate a check-in with a ticket retrospectively?
On the command line, you can use 'fossil amend'.