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

Release Notes - Eurex T7 Market and Reference Data Interfaces (EMDI, EOBI, RDI) Handlers C++ - Version 19.0.3

Improvement

• [CPPEEMDIRDI-1124] - EMDI/RDI/MDI: Improve group processing robustness

Release Notes - Eurex T7 Market and Reference Data Interfaces (EMDI, EOBI, RDI) Handlers C++ - Version 18.2.9

Bug

• [CPPEEMDIRDI-1123] - Fix processing of ProductSnapshot messages without Feeds group

Release Notes - Eurex T7 Market and Reference Data Interfaces (EMDI, EOBI, RDI) Handlers C++ - Version 19.0.2

Bug

• [CPPEEMDIRDI-1119] - Emdi: coredump on message processing

Release Notes - Eurex T7 Market and Reference Data Interfaces (EMDI, EOBI, RDI) Handlers C++ - Version 19.0.2

Bug

• [CPPEEMDIRDI-1119] - Emdi: coredump on message processing

Release Notes - CME MDP Market Data Handler Java - Version 3.20.1

Improvement

• [JCMEMDH-814] - Unnecessary CPU overhead when processing book types with no registered listeners
• [JCMEMDH-813] - Eliminate hot-path overhead when packet logging is disabled

Bug

• [JCMEMDH-806] - Handler ignores license file path

Release Notes - ICE Binary Order Entry (BOE) Handler C++ - Version 1.1.2

Improvement

• [ICEBOECPP-81] - Update exchange codes to exchangeCodeMapping-03.25.2026.txt

Release Notes - ICE Trading update 4.23

Update details: OnixS FIX Support Pack update for ICE Trading - update for FIX API specification <4.23>

Updated reference implementation sample distributions incorporating the FIX Dialect and reference implementation samples can be downloaded from here:

IceTradingClientCpp_4.22.0.zip

Download authentication credentials:

User: download
Password: 6CpH7AkPwkJZMT7KItDAZKa1

onixs-ice-trading-client-java-1.19.0-bin.tar.gz

onixs-ice-trading-client-java-1.19.0-bin.zip

Download authentication credentials:

User: download
Password: 6CpH7AkPwkJZMT7KItDAZKa1

OnixS.Net.IceOrderServer.1.11.0.zip

Download authentication credentials:

User: download
Password: 6CpH7AkPwkJZMT7KItDAZKa1

IceOrderServerSample-net-4.8-x64-Setup-4.21.0.0.msi

Download authentication credentials:

User: download
Password: 6CpH7AkPwkJZMT7KItDAZKa1

Updated individual FIX Dialect files, which reflect the corresponding changes, can be downloaded from here:

IceTradingFixDialect-4.23.zip

FIX Dialect Download authentication credentials
User: download
Password: 6CpH7AkPwkJZMT7KItDAZKa1

All FIX Dialects are session-level dialects. This requires explicit dialect specification while creating message and session objects.

You can find more information about session-level FIX dialects for:

• .NET FIX Engine
• C++ FIX Engine
• Java FIX Engine
• .NET Framework FIX Engine

 

Release Notes - Cboe CFE Binary Order Entry (BOE) Handler C++ - Version 1.12.2

Improvement

• [CBATSBOE-130] - CFE BOEv3 spec update to v1.1.31 dated 14th January 2026

Release Notes - ICE Trade Capture Java - Version 2.29.0

Task

• [JAVAICEFIXTC-276] - ICE TC 4.20 March 2026 update

Release Notes - ICE Trade Capture .NET Framework - Version 2.44.0.0

Task

• [ICETC-740] - ICE TC 4.20 March 2026 update

Release Notes - ICE Trade Capture .NET - Version 3.21.0

Task

• [ITCNCORE-85] - ICE TC 4.20 March 2026 update

Release Notes - Euronext Optiq MDG Market Data Handler - Version 1.4.1

Improvement

• [EOMHC-77] - Packet processing optimization
• [EOMHC-76] - Optiq MDG Messages Interface Spec v6.363.3 and v6.364.0 updated 5th March 2026