I just received my Arduino UNO R4 Minima, and uploading to it fails. I am on Fedora Linux (38, updated) and have the Arduino IDE 2.1.0 installed from Flatpak. I have the current release of the boar ...

Describe the problem If one process has a serial port open, another can not access it. Arduino IDE is designed to automatically manage access to ports by the various operations and components that ...