Foolishly i just did upgrade and i’m already having some issues with this when i try to upload one big project. I get this error “ISR not in IRAM” and the ESP8266 starts rebooting. Is there a way to revert the platform on the version before to avoid this issue? I tried something like this but it …

[image] nardev: https://github.com/platformio/platform-espressif8266.git@2.0.4 Just platform = espressif8266@2.0.4 in your platformio.ini [image] nardev: Is there any bugfix for this? Add ICACHE_RAM_ATTR as seen in Using interrupts with a Node MCU - Programming Questions - Arduino For…