microsoftedge driver array/object bug

expected.json

[{
  "a": 1,
  "b": 2
}, {
  "c": 3,
  "d": [1, 2, 3, 4, 5],
  "e": [{
    "some": "object",
    "other": "thing"
  }]
}]

received.json

{
  "0": {
    "a": 1,
    "b": 2
  },
  "1": {
    "c": 3,
    "e": {
      "0": {
        "other": "thing",
        "some": "object"
      }
    },
    "d": {
      "0": 1,
      "1": 2,
      "2": 3,
      "3": 4,
      "4": 5
    }
  }
}

test.js

/**
 * see job at Sauce Labs: https://saucelabs.com/beta/tests/bfd73c5c97d743859bc84f77ae6a39d0
 */

var client = require('webdriverio').remote({
  user: process.env.SAUCE_USERNAME,
  key: process.env.SAUCE_ACCESS_KEY,
  desiredCapabilities: {
    browserName: 'microsoftedge',
    platform: 'Windows 10',
    version: '20.10240'
  }
});

client
  .init()
  .url('http://google.com')
  .execute(function() {
    return [{
      'a': 1,
      'b': 2
    }, {
      'c': 3,
      'd': [1, 2, 3, 4, 5],
      'e': [{
        'some': 'object',
        'other': 'thing'
      }]
    }]
  }).then(console.log)
  .end();