### Added
- Ads on Viber
- Group chat context for FB Instant Games
- Game ID parsing for FB Instant Games
- Converter util for FB leaderboards
- Ads API: noFill callback for ad calls
- Context APIs: getType, getPlayersAsync, shareLinkAsync, isSizeBetween
- Player API: flushDataAsync, getASIDAsync, getSignedASIDAsync, canSubscribeBotAsync, subscribeBotAsync
- Session API: getPlatform
### Changed
- Context and Player APIs now have optional null return values to match platform SDKs
- Improved docs
- Improved error handling