커맨드 + 시프트 + A누르고 registry검색
awt.file.dialog.enable.filter 체크 해제 하고 Intellij 종료하고 다시 실행하니까 잘됨.
https://stackoverflow.com/questions/69769382/intellij-idea-freezes-when-clicking-on-open-in-macos
ssue should be fixed in 2021.3 version. For now, please try the following workaround:
- Open the IDE Registry (search for action → type Registry)
- Turn off the flag awt.file.dialog.enable.filter