Set versions of libraries in platformio.ini

[CWempe]

Some newer libraries create problems.
platformio.ini should have the working versions predefined.

[CWempe]

This might help:

     ; Homie@2.0.0
     Homie
     ; ESPAsyncTCP@1.2.0
     ESPAsyncTCP
     ; DHT sensor library@1.3.4
     DHT sensor library
     DallasTemperature
     ; OneWire@2.3.4
     OneWire
     Nextion
     ; FastLED_RGBW=git@github.com:coryking/FastLED.git
     FastLED_RGBW=git@github.com:cwempe/FastLED.git#support_new_esp8266_lib
     Embedis
     Adafruit Unified Sensor
     ; elapsedMillis@1.0.4
     elapsedMillis

From notebook:

lib_deps =
     ArduinoJson@<5.10.1
     Homie@2.0.0
     ESPAsyncTCP
     Adafruit Unified Sensor@1.0.3
     DHT sensor library@1.3.8
     DallasTemperature
     OneWire@2.3.4
     Nextion@0.7.0
     FastLED_RGBW=git@github.com:cwempe/FastLED.git#support_new_esp8266_lib
     Embedis
     elapsedMillis