I'm using PICO2W in IDE arduino with release 5.3.0 I found a strange behaviour with the "attachInterrupt()" function when running on 2 cores programs for pico2. Every thing runs OK when running one 1 ...
Version 5.3.0 breaks usage of W5500lwIP in combination with Operating System FreeRTOS. "C:\Users\user\AppData\Local\arduino15\packages\rp2040\tools\pqt-gcc\4.1.0 ...