GitHub Flavored Markdown now includes a new feature that simplifies finding emojis by introducing an autocomplete function similar to the @mention system. Users can type a colon (:) to trigger a list of emoji suggestions, which is dynamically filtered as more characters are typed, allowing for quick identification of the desired emoji. Once located, users can easily insert the emoji by pressing the tab or enter key, streamlining the process of adding emojis without the need to scroll through the extensive list of over 800 options.