AMD today released the Radeon Software Adrenalin 2019 Edition 19.12.1 driver that brings along support for the RX 5300M mobile GPU. There's an important RX 5700 bug fix included too.
Rx 5300m RSS
Nvidia has been ruling the mobile GPU landscape for a while and it looks like Team Green wants to continue its domination. The company is reportedly preparing mobile versions of its SUPER GPUs.