Arduino developers and electronic enthusiasts may be interested to know that the official Arduino team has announced a new update to its Arduino Cloud that now allows you to update your ESP32 ...

OTA updates allow a device to download new firmware, install it, and reboot itself into the new version. Convenient? Yes. Secure? It definitely needs to be.

For example, you might want to update as part of a Makefile. You do need Java on the workstation to get everything working. We’ve seen ESP32 OTA done before.