Elon Musk has updated its predictions for the first manned mission to Mars, and again this date is a bit later than it used to be. Although the POT initially made more realistic predictions, SpaceX began by announcing a surprisingly early date.
However, this was postponed over time, and the final update will be implemented in 2029. The reason, beyond pandemic the COVID-19 and armed conflicts, seems to be related to the fact that the launch of star ship that would be used for the trip; which is not ready yet. It is true that they have made very important progress in recent months, but not enough to meet their most optimistic forecasts.