What does the date of the news article have to do with anything? It doesn't change when the event actually happened. The ship arrived at Australia on October 22nd, and circled off-shore for ~65 days before being sent back at the end of the year. So had it not had a bug infestation the vehicles would have been available to be delivered in 2023.
This article has the additional details:
People might think it was a new additional incident, which might lead to lower registrations in Australia in the near future. Just pointing out the date as it seems many people don´t check.
EDIT: Looks like @SO16 replied to other posts above that I missed, sorry for the misunderstanding.