Simple Example showing how initialValues trigger 2 renders

SimpleForm.js

import React, {Component, PropTypes} from 'react';
import {reduxForm} from 'redux-form';
const fields = ['firstName', 'lastName', 'email', 'sex', 'favoriteColor', 'employed', 'notes'];

class SimpleForm extends Component {
  static propTypes = {
    fields: PropTypes.object.isRequired,
    handleSubmit: PropTypes.func.isRequired,
    resetForm: PropTypes.func.isRequired,
    submitting: PropTypes.bool.isRequired
  };

  render() {
    console.log('RENDERING SIMPLE FORM, is Value set?', this.props.fields.firstName.value);

    const {
      fields: {firstName, lastName, email, sex, favoriteColor, employed, notes},
      handleSubmit,
      resetForm,
      submitting
      } = this.props;
    return (<form onSubmit={handleSubmit}>
        <div>
          <label>First Name</label>
          <div>
            <input type="text" placeholder="First Name" {...firstName}/>
          </div>
        </div>
        <div>
          <label>Last Name</label>
          <div>
            <input type="text" placeholder="Last Name" {...lastName}/>
          </div>
        </div>
        <div>
          <label>Email</label>
          <div>
            <input type="email" placeholder="Email" {...email}/>
          </div>
        </div>
        <div>
          <label>Sex</label>
          <div>
            <label>
              <input type="radio" {...sex} value="male" checked={sex.value === 'male'}/> Male
            </label>
            <label>
              <input type="radio" {...sex} value="female" checked={sex.value === 'female'}/> Female
            </label>
          </div>
        </div>
        <div>
          <label>Favorite Color</label>
          <div>
            <select {...favoriteColor}>
              <option></option>
              <option value="ff0000">Red</option>
              <option value="00ff00">Green</option>
              <option value="0000ff">Blue</option>
            </select>
          </div>
        </div>
        <div>
          <label>
            <input type="checkbox" {...employed}/> Employed
          </label>
        </div>
        <div>
          <label>Notes</label>
          <div>
            <textarea
              {...notes}
              value={notes.value || ''} // required for reset form to work (only on textarea's)
                                        // see: https://github.com/facebook/react/issues/2533
            />
          </div>
        </div>
        <div>
          <button disabled={submitting} onClick={handleSubmit}>
            {submitting ? <i/> : <i/>} Submit
          </button>
          <button disabled={submitting} onClick={resetForm}>
            Clear Values
          </button>
        </div>
      </form>
    );
  }
}

export default reduxForm({
  form: 'simple',
  fields: fields,
})(SimpleForm);

SimpleFormConsumer.js

import React, {Component, PropTypes} from 'react';
import SimpleForm from './SimpleForm';

const initialValues = {
  firstName: 'Andrew',
  lastName: 'Andrew',
  email: '[email protected]',
  sex: 'Andrew',
  favoriteColor: 'Andrew',
  employed: 'Andrew',
  Notes: 'Andrew'
};

export default class SimpleFormConsumer extends Component {
  constructor() {
    super();
    this.state = {showForm: false};
  }

  render() {
    const { showForm } = this.state;

    return (
      <div>
        <div onClick={() => this.setState({showForm: !this.state.showForm})}>Click to toggle showing form</div>
        {showForm && (
          <SimpleForm initialValues={initialValues} />
        )}
      </div>
    );
  }
}