YouTube Gaming has released a couple of site navigation improvements in the latest v1.3 update, as well as expanding services to four new countries.

Universal Updates

• 4 new homepage tabs – Home, Games, Channels, Live
• Browse pages for Games and Channels
• Chat enhancements
  • Increased speed
  • Improved chat moderation

Android Only Updates

• Improved Android live playback
  • Quality options, 60fps, DVR mode
• Pop-out player (Enabled via Options menu in the player)
• Recent searches
• Mobile capture improvements
  • Pause/Resume
  • Game title match accuracy

Mobile App Expansion to New Countries (iOS and Android)

• Australia
• Canada
• Ireland
• New Zealand

Source: /r/YouTubeGaming