Native:
native driver for neopixel (but probably SPI works fine?)
MQTT with SSL
installing the ESP OPEN SDK
creating setup() and loop() equivalents another example of the run loop and messaging examples of capsense and other standards 7 segment LED example
https://github.com/tuanpmt/esp_mqtt (mention of FOTA here: https://www.youtube.com/watch?v=WbQs_7WIUEs)
FOTA: https://harizanov.com/2015/06/firmware-over-the-air-fota-for-esp8266-soc/