Thanks for testing out the new version of Arduino IDE 2.0. With your help, we'll progress the release candidates closer to the first full, stable version.
After downloading, installing and using Arduino IDE 2.0 RC, please let us know your thoughts on the following points. And remember you can join us on the Arduino Forum to discuss any bugs or issues you've noticed:
https://forum.arduino.cc/c/software/arduino-ide-2-0-beta/93