The big picture for the Australian government seems to be to restrict social interaction as much as possible and keep the number of people coming to Australia to a minimum until a vaccine is developed for this virus.
The April 189 and 491 skill select round saw just 50 people in each category receive an invite. Whilst these two combined had over 2000 invites in March 2020. Granting of 189 visas has ground to a halt in April as well compared to March and previous months
DHA are now asking for additional information to justify a company needs to fill a skilled position with a 482 visa holder, and the AAT are similarly scrutinising similar visa appeals in the same way
For past dips in the economy such as the GFC and stock market crashes Australia has had a smaller migration program in the period of recovery due to high unemployment. This may be the case again, although there are arguments that this time it is not to do with economic structural issues. Instead the government may judge that the economy needs a kick along from a solid migration (permanent and temporary) program to kick off demand. We will have to wait and see.
this is from ISCAH migration WA