# Changelog ## 0.4.1 - 2023-01-09 - Rename `TickMsg` to `MboMsg` - Upgrade dependencies - Fix serialization of `SecurityUpdateAction` ## 0.4.0 - 2023-01-06 - Rename `SymDefMsg` to `InstrumentDefMsg` - Rename some fields in `InstrumentDefMsg` - Add `SymbolMappingMsg` - Add `transmute_header_bytes` ## 0.3.1 - 2022-12-01 - Add `trivial_copy` feature to derive `Copy` trait for records - Add `from_str` functions for several enums - Improve documentation ## 0.3.0 - 2022-11-03 - Initial release