Describe the bug
When starting up the APP, it frozes with the splash screen and a running icon beind, it always takes 10mins or more to get fully loaded.

To Reproduce
Steps to reproduce the behavior:

1. Go to Applications
2. Click on 'Arduino IDE'
3. See error

Expected behavior
Only few seconds to get load up.

Screenshots
截屏2021年05月20日 上午12 24 29

Desktop (please complete the following information):

• OS: MacOS Big Sur (11.3)
• Version: Arduino IDE 2.0.0 beta7