Installed the new 2.3.0 today and found that a sketch I have used for a long time will no longer cause the ESP8266 to connect with my WiFi

I reverted to version 2.2.0 and the sketch works fine.

ESP8266WiFi was the only ESP8266 include in the sketch

Source: WiFi.begin doesn’t connect if connection was already established · Issue #2186 · esp8266/Arduino · GitHub