Hello guys, i try to install goodData UI (https://sdk.gooddata.com/gooddata-ui/docs/create_new_application.html) ,but i have problem when running yarn start localhost:3000 connection is not private, how do i fix this problem? thank's

Hi, this is a known issue (this is because of the self-signed certificates used for local development), please press the Advanced button and there should be an option to continue to the site. After that everything should work fine.