First the IRS has to make those changes; then the programmers have to make changes that adhere to all of the IRS rules; then the IRS has to approve of the software. It will not happen instantly. Please be patient. You know the deadline is extended. Live with that knowledge for now and wait for the software updates--they will happen as quickly as the humans who are making them can do it.
**Disclaimer: Every effort has been made to offer the most correct information possible. The poster disclaims any legal responsibility for the accuracy of the information that is contained in this post.**