On Monday, May 27 2019 at 10 am local time (10 pm ET) the AMD keynote will start at Computex 2019. Ryzen 3000 and details about Radeon Navi are expected.
AMD keeps on working at the supported clock rate of Ryzen. The new generation Ryzen 3000 officially supports DDR4-3200 according to mainboard manufacturers.
MSI talked in a livestream about the leaked pictures of the first X570 motherboards. The fan on top of the chipset is necessary because of a high temperature.