I use Wemos D1 mini R2 with Arduino core for ESP8266. With any core version higher than 2.5.2 ESP can't get DHCP IP address from ASUS RT-AX86U router (although according to debug data it succesfully connects to wifi). The same issue is for all ESP I've tested.
When I revert back to core 2.5.2 or 2.5.0 ESP sucessfully connects to Asus router and gets IP address. Is it known issue or is there any solution?