IDE V2.0 b10 Unable to watch for file changes in this

[SniffTheGlove]

It is already listed as a bug

Unable to watch for file changes in this large workspace.

Hi @rohowo. Thanks for your feedback on the Arduino IDE 2.x beta! This is a known issue: It doesn't indicate any real problem so please ignore it. I'm hoping it will be fixed in a future release of the IDE.