Bug: can not pass some special custom attribute such as `size`

As we know after react 16 we can use any custom attributes in dom elements but there is a bug which some special attributes (such as `size`) are not forwarding to dom element  React version: 16.13 & 17.0 ## Steps To Reproduce 1. render a dom element with some custom attributes including `size` 2. inspect output and you will see your custom attributes but size Link to code example: https://codesandbox.io/s/setting-size-as-custom-attr-hdom2?file=/src/App.js ## The current behavior `size` attribute will not show in output ## The expected behavior `size` should be in output