457 visas will be replaced with two new temporary skills visas. They will be very different, according to PM. Details in article.
The Federal government have announced changes to the 457 visa from 19th April 2016. Here are the details from the explanatory statement that accompanied the changes.
What happens if my 457 visa sponsor ends my employment? Simply speaking – you have 90 days to find new employer, apply for another visa or leave Australia. There is more that, as it is never that simple with visa options. Do you want to know more?