TAT v4.0.88 Update is now available with several small bug fixes. It is recommended for TradeStation users especially or anyone impacted by the issues below.
Bug Fixes and Other minor updates:
  • Fix for error logged when processing some non-TAT TradeStation orders.
  • Fix for errors logged when receiving TradeStation quote heartbeat updates.
  • Fix for importing TAT templates from earlier v4.0 versions that caused a blank screen when trying to edit the imported template.
  • Increased logging detail for Missing market data errors.