create-react-app "Failed to compile" on start up

At the moment you can try this and wait for further fix

"browserslist": {
    "production": [
      ">0.2%",
      "not dead",
      "not op_mini all"
    ],
    "development": [  
    ]
  }

It is a new bug in BrowserList.

There are new reports on this both in create-react-app: https://github.com/facebook/create-react-app/issues/7239

and in browserlist: https://github.com/browserslist/browserslist/issues/382#issuecomment-502991170

As suggested by John Forbes below the workaround given on the github issue is to change the browserslist entry in package.json to

"browserslist": []

This will build and run the project.

As proper temporal solution till bug fixing: add to package.json this:

  "resolutions": {
    "browserslist": "4.6.2",
    "caniuse-lite": "1.0.30000974"
  },

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