NautilusTrader 1.215.0 Beta

Released on 5th April 2025 (UTC).

Added Cache.purge_closed_order(...)
Added Cache.purge_closed_orders(...)
Added Cache.purge_closed_position(...)
Added Cache.purge_closed_positions(...)
Added Cache.purge_account_events(...)
Added Account.purge_account_events(...)
Added purge_closed_orders_interval_mins config option for LiveExecEngineConfig
Added purge_closed_orders_buffer_mins config option for LiveExecEngineConfig
Added purge_closed_positions_interval_mins config option for LiveExecEngineConfig
Added purge_closed_positions_buffer_mins config option for LiveExecEngineConfig
Added purge_account_events_interval_mins config option for LiveExecEngineConfig
Added purge_account_events_lookback_mins config option for LiveExecEngineConfig
Added Order.ts_closed property
Added instrument_ids and bar_types for BacktestDataConfig to improve catalog query efficiency (#2478), thanks @faysou
Added venue_dataset_map config option for DatabentoDataConfig to override the default dataset used for a venue (#2483, #2485), thanks @faysou

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Added Position.purge_events_for_order(...) for purging OrderFilled events and TradeIds associated with a client order ID
Added Consumer for WebSocketClient (#2488), thanks @twitu
Improved instrument parsing for Tardis with consistent effective timestamp filtering, settlement currency, increments and fees changes
Improved error logging for Betfair update_account_state task by logging the full stack trace on error
Improved logging for Redis cache database operations
Standardized unexpected exception logging to include full stack trace
Refined type handling for backtest configs
Refined databento venue dataset mapping and configuration (#2483), thanks @faysou
Refined usage of databento use_exchange_as_venue (#2487), thanks @faysou
Refined time initialization of components in backtest (#2490), thanks @faysou
Upgraded Rust MSRV to 1.86.0
Upgraded pyo3 crate to v0.24.1

Fixed MBO feed handling for Databento where an initial snapshot was decoding a trade tick with zero size (#2476), thanks for reporting @JackWCollins
Fixed position state snapshots for closed positions where these snapshots were being incorrectly filtered
Fixed handling of PolymarketTickSizeChanged message
Fixed parsing spot instruments for Tardis where size_increment was zero, now inferred from base currency
Fixed default log colors for Rust (#2489), thanks @filipmacek
Fixed sccache key for uv in CI (#2482), thanks @davidsblom

Clarified partial fills in backtesting concept guide (#2481), thanks @stefansimik

Deprecated strategies written in Cython and removed ema_cross_cython strategy example

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