Apple has released an update for its Human Interface Guidelines resources for developers. The changes bring a new logo and buttons for Sign In with Apple, icon for Apple Health, Apple Pay ...

The Apple logo or Apple-owned graphics, including icons or logos, may not be used on websites, products, packaging, or other materials without an "express written trademark license from Apple." ...

Read next: The OS X El Capitan review. It's either based on Apple's classic logo or Trix Yogurt The iTunes icon as it appears in OS X El Capitan. It’s a fitting choice that subtly touches on ...