NautilusTrader 1.166.0 Beta

Released on 17th January 2023 (UTC).

Breaking Changes

• Position.unrealized_pnl now None until any realized PnL is generated (to reduce ambiguity)

Enhancements

• Added instrument status update subscription handlers, thanks @limx0
• Improvements to InteractiveBrokers DataClient, thanks @rsmb7z
• Improvements to async task handling for live clients
• Various improvements to Betfair adapter, thanks @limx0

Fixes

• Fixed netted Position realized_pnl and realized_return fields, which were incorrectly cumulative
• Fixed netted Position flip logic (now correctly 'resets' position)
• Various fixes for Betfair adapter, thanks @limx0
• InteractiveBrokers integration docs fixes