The 16.5.0 package released to unpkg currently has the production/profiling variant present for cjs builds but there is no equivalent for umd builds. 

i.e. There is the file https://unpkg.com/react@16.5.0/cjs/react.profiling.min.js but there is no https://unpkg.com/react@16.5.0/umd/react.profiling.min.js

It would be great if a future release had the profiling variant packaged as umd as well.

Also thanks for the awesome framework!
'use strict';
const forks = require('./forks');
const bundleTypes = require('./bundles').bundleTypes;
const UMD_DEV = bundleTypes.UMD_DEV;
const UMD_PROD = bundleTypes.UMD_PROD;
const HAS_NO_SIDE_EFFECTS_ON_IMPORT = false;
const importSideEffects = Object.freeze({
  'prop-types/checkPropTypes': HAS_NO_SIDE_EFFECTS_ON_IMPORT,
  deepFreezeAndThrowOnMutationInDev: HAS_NO_SIDE_EFFECTS_ON_IMPORT,
  schedule: HAS_NO_SIDE_EFFECTS_ON_IMPORT,
  'schedule/tracing': HAS_NO_SIDE_EFFECTS_ON_IMPORT,
});
const knownGlobals = Object.freeze({
  react: 'React',
  'react-dom': 'ReactDOM',
  schedule: 'Schedule',
  'schedule/tracing': 'ScheduleTracing',
});
function getPeerGlobals(externals, bundleType) {