RDA - Southern Inland has announced on their website that they are ceasing the migration program - 489 and 187 visa - from 14th June 2019 to start of next financial year (July 2019). The exact start date is going to be announced soon! They will not be able to process any applications in this time. Please check on their website for further details.
Source: https://www.rdasi.org.au/regional-migration/