NautilusTrader 1.150.0 Beta

Released on August 15th 2022 (UTC).

Breaking Changes

• BacktestEngine now required venues to be added prior to instruments
• BacktestEngine now requires instruments to be added prior to data
• Renamed Ladder.reverse -> Ladder.is_reversed
• Portfolio performance now displays commissions as a negative

Enhancements

• Added initial backtest config validation for instrument vs venue
• Added initial sandbox execution client, thanks @limx0
• Added leverage options for BacktestVenueConfig, thanks @miller-moore
• Allow Trader to run without strategies loaded
• Integrated core Rust clock and timer
• De-cythonize InstrumentProvider base class

Fixes

• Fixed double counting of commissions for single-currency and multi-currency accounts #657