It's because Bluetooth LE support got added and that takes up loads of RAM.
I believe you can just call ESP32.enableBLE to get the extra RAM back.
ESP32.enableBLE
@Gordon started
Espruino is a JavaScript interpreter for low-power Microcontrollers. This site is both a support community for Espruino and a place to share what you are working on.
It's because Bluetooth LE support got added and that takes up loads of RAM.
I believe you can just call
ESP32.enableBLE
to get the extra RAM back.