Release Notes - Fenics UST BIMP Market Data Handler - Version 1.4.1

New Feature

• [FMXUST-41] - BREAKING CHANGE: LogSettings::Disabled (0) switches logging off.

Improvement

• [FMXUST-40] - Client Binary Market Data Protocol (BIMP) V3.27.1 dated 15th May 2026

Release Notes - Euronext Optiq MDG Market Data Handler - Version 1.4.2

Task

• [EOMHC-80] - Spec updated to v6.366.0 and template SBE 366 for Optiq Cash and Derivatives dated 08/06/2026
• [EOMHC-79] - New template SBE 365 for Optiq Cash and Derivatives

Release Notes - Nodal Exchange update for FIX Engine 1.19.0 API

Update details: OnixS FIX Support Pack update for Nodal Exchange - update for FIX Engine 1.19.0 API specification

Release Notes - FIX Engine Java - Version 2.16.0

Bug

• [JAVA-3549] - TmTool misses string accessors generation for standard dialect
• [JAVA-3548] - TmTool requires unneeded dashed options
• [JAVA-3547] - Concurrent inbound message access could cause inbound failures
• [JAVA-3532] - Stale stop callbacks can clear the active connection

New Feature

• [JAVA-3544] - Add search capability to the Programming Guide
• [JAVA-3141] - SSL SNI support

Task

• [JAVA-3542] - Support EP 302
• [JAVA-2813] - Add "Summary File Record Format" section

Improvement

• [JAVA-3504] - Database Session Storage sample
• [JAVA-3502] - Add the High Availability section to the Programming Guide
• [JAVA-3497] - Implement a ring-based resend queue optimised in terms of memory usage
• [JAVA-3175] - Enhance the documentation for the Typed Message tool
• [JAVA-2849] - File-based storage topic is missing in docs
• [JAVA-2703] - Add "Declaring Several FIX Dialects" section
• [JAVA-2565] - Add SSL/TLS troubleshooting guidance to FAQ
• [JAVA-2419] - Improve FIX Message section
• [JAVA-2182] - README.md file should be added to the distribution package
• [JAVA-1769] - Add Javadoc of MessageDiff class

Release Notes - CME STP Handler Java - Version 3.4.0

Improvement

• [JAVACMECTH-166] - Log unsuccessful quote request

Bug

• [JAVACMECTH-162] - Handle CME error responses in session flow

Release Notes - CME MDP Market Data Handler .NET - Version 4.2.7

Bug

• [NCMMDH-583] - Incorrect joining to multicast groups under Linux environment

Improvement

• [NCMMDH-581] - Switch to System.Security.Cryptography.Xml 8.0.3
• [NCMMDH-580] - Integrate latest SBE templates
• [NCMMDH-574] - Add .Net 8.0, 9.0 and 10.0 support

Release Notes - CME STP Handler Java - Version 3.3.0

Task

• [JAVACMECTH-161] - Align enum values with CME FIXML spec
• [JAVACMECTH-160] - Mark TradeRequestType ContinueSendingResultsOfPolling as obsolete, rename to UnreportedTradesMatchingCriteria

Release Notes - CME STP Handler .NET - Version 4.4.0

Task

• [NETCMECTH-412] - Mark TradeRequestType ContinueSendingResultsOfPolling as obsolete, rename to UnreportedTradesMatchingCriteria
• [NETCMECTH-411] - Align enum values with CME FIXML spec

Release Notes - Eurex T7 Enhanced Drop Copy Interface (EDCI) Handler C++ - Version 1.0.0

New Feature

• [EEHC-17] - Become ready to Introduction of Release 14.1 (D0001) on 23 March 2026

Release Notes - .NET FIX Engine - Version 1.19.0

Bug

• [NETCOREFIXENGINE-1951] - Possible data race in AsyncFileBasedStorage
• [NETCOREFIXENGINE-1945] - Repeated EngineSettings.LoadFromConfigurationFile duplicate list-backed settings
• [NETCOREFIXENGINE-1944] - Session.ValidateUnknownFields returns the state of ValidateRequiredFields instead of ValidateUnknownFields
• [NETCOREFIXENGINE-1545] - The required group inside the non-required component is treated as required

Improvement

• [NETCOREFIXENGINE-1947] - Improve the generation of V50SP2Latest dictionary
• [NETCOREFIXENGINE-1943] - Update the "Time Zone" article on the "Session Schedule" page
• [NETCOREFIXENGINE-1937] - Mark Session.StorageDirectory setter as Obsolete
• [NETCOREFIXENGINE-1936] - Mark Session.ResendingQueueSize setter as Obsolete
• [NETCOREFIXENGINE-1935] - Mark EngineSettings session global properties as Obsolete
• [NETCOREFIXENGINE-1918] - Add Group.Set(int tag, int index, ...) methods for unsigned values
• [NETCOREFIXENGINE-1874] - Add the High Availability section to the Programming Guide
• [NETCOREFIXENGINE-1799] - Add SessionSettings class to specify session-related parameters during session construction
• [NETCOREFIXENGINE-1585] - Send Logout if no Heartbeat is received after TestRequest

Task

• [NETCOREFIXENGINE-1930] - Add EP302

New Feature

• [NETCOREFIXENGINE-1907] - Add EngineSettings.LoadFromConfigurationStream(..) method
• [NETCOREFIXENGINE-1703] - Add SessionScheduler.Register(Session session, string scheduleId, SessionConnectionSettings connectionSettings) method