The Taiwan External Trade Development Council (TAITRA) has announced that AMD's CEO, Dr. Lisa Su, will be delivering the opening keynote at Computex 2019. The keynote has been scheduled for May 27, and it seems like this could be the ideal setting for Su to show off AMD's anticipated Radeon Navi GPU series. It's also been speculated that she could launch the Ryzen 3000 series at the same time.
https://www.notebookcheck.net/AMD-could-unveil-Navi-GPUs-on-May-27-with-possible-Ryzen-3000-launch-on-the-same-day.415622.0.html