New Features:
1. Added Training Ground.
2. Added Leaderboard. (It's a completely new feature, so your previous data wouldn't be uploaded to the leaderboard)
Fixes:
1. Fixed the issue where your locked target might got lost sometimes.
2. Fixed the issue where Thunder Link had weird position.
Improvements:
1. Some text descriptions are updated, which makes more sense now.
and a bunch of small improvements.
