Release Notes - C++ BGC eSpeed Multicast Market Data Handler - Version 1.3.0.0

Improvement

• [CPPBGCESPEEDMD-29] - "Threading model" section should be added to the Programming Guide
• [CPPBGCESPEEDMD-28] - New field MessageInfo::seqNum should be added
• [CPPBGCESPEEDMD-27] - [CODE BREAKING CHANGE] MarketDataListener::onOrderBookUpdated