look like we very close to make new openwrt release for VIM3 VIM3L VIM2 pro - with full supported WIFI and other hardware !!! i have test already all boards and all wifi chips (Wifi AP6398S + mainline kernel)
another news - we have testing already OpenWrt 19.07.0-rc2 - https://openwrt.org/releases/19.07/notes-19.07.0-rc2
an wait New Stable Release from Openwrt