NautilusTrader 1.108.0 Beta - Release Notes

This release executes a major refactoring of Symbol and how securities are
generally identified within the platform. This will allow a smoother integration
with Interactive Brokers and other exchanges, brokerages and trading
counterparties.

Previously the Symbol identifier also included a venue which confused the concept.
The replacement Security identifier more clearly expresses the domain with a
symbol string, a primary Venue, AssetClass and AssetType properties.

Breaking Changes

• All previous serializations.
• Security replaces Symbol with expanded properties.
• AssetClass.EQUITY changed to AssetClass.STOCK.
• from_serializable_string changed to from_serializable_str.
• to_serializable_string changed to to_serializable_str.

Enhancements

• Reports now include full security name.
• Add AssetType.WARRANT.

Fixes

• StopLimitOrder serialization.