OnixS News

Release Notes - B3 Binary Order Entry C++ - Version 1.4.0

2026-06-09T14:37:38.631+01:00

Improvement

[B3BOECPP-98] - Support SimpleNewOrder in TradingClient sample
[B3BOECPP-91] - SessionHelper::sendRetransmitRequest() should fully simulate the sequence gap
[B3BOECPP-88] - Add flag to skip the SBE header in toStr() methods
[B3BOECPP-84] - Add flag to skip empty fields in toStr() methods
[B3BOECPP-83] - Add sequence number reset policy to the Scheduler
[B3BOECPP-81] - Add the reasonable transmission time to gateway keep alive interval
[B3BOECPP-80] - Add "Restore Session State from Scratch" article
[B3BOECPP-79] - The sessionVerId constructor parameter should take an effect even if it is restored from the session storage
[B3BOECPP-73] - Support the latest schema 8.4.2
[B3BOECPP-71] - Use the empty session's mutex when the TCPStandard stack in the ExternalThread threading model is used
[B3BOECPP-70] - Get rid of the reconnecting thread for Pool and External (TcpStandard) threading models
[B3BOECPP-68] - Add the "How to get the SeqNum from the sent message" to the FAQ section of the Programming Guide
[B3BOECPP-58] - Support the latest schema 8.3.3

Task

[B3BOECPP-89] - Certify B3 BOE solution

Bug

[B3BOECPP-85] - The Scheduler performs the session reset each connect attempt of the negotiated session
[B3BOECPP-76] - Business header is not initialized properly

New Feature

[B3BOECPP-69] - Support the ExternalThread mode by the Scheduler

Release Notes - MTS BondVision/SDP Handler C++ - Version 1.4.3

2026-06-03T10:47:56.321+01:00

Improvement

[MTSBVSPDCPP-21] - BREAKING CHANGE: MTS BV BondVision Release 14.2

Release Notes - Eurex T7 Enhanced Trading Interface (ETI) Handler Java - Version 1.14.0

2026-05-25T11:41:57.423+01:00

Story

[JAVAEUREXETI-162] - BREAKING CHANGE: ChannelBuffer replaced with ByteBuf in public listener interfaces

Improvement

[JAVAEUREXETI-161] - Upgrade Netty from 3.5.9 to 4.1.133.Final
[JAVAEUREXETI-160] - Include Maven POM files in the binary distribution

Release Notes - Eurex T7 Enhanced Trading Interface (ETI) Handler Java - Version 1.13.1

2026-05-21T10:03:13.488+01:00

Improvement

[JAVAEUREXETI-157] - T7 Interface Encryption: Decommissioning of support for TLS 1.2

Release Notes - LSE GTP Market Data Handler C++ - Version 1.0.6

2026-05-20T12:57:02.464+01:00

Improvement

[LSEGTPCPP-43] - Improve documentation
[LSEGTPCPP-42] - GTP 002 v27.2 updates

Release Notes - Cboe CFE Binary Order Entry (BOE) Handler C++ - Version 1.12.3

2026-05-15T11:10:44.938+01:00

Improvement

[CBATSBOE-132] - CFE BOEv3 spec update to v1.1.32

Release Notes - Eurex T7 Market and Reference Data Interfaces (EMDI, EOBI, RDI) Handlers C++ - Version 19.0.4

2026-05-12T13:11:35.766+01:00

New Feature

[CPPEEMDIRDI-1132] - Add top of book support for IPS instruments

Release Notes - TradeWeb TradeXpress update 101.34

2026-05-01T14:53:14.983+01:00

Update details: OnixS FIX Support Pack update for TradeWeb TradeXpress - update for FIX API specification <101.34>

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

onixs-tradeweb-tradexpress-client-java-2.14.0-bin.tar.gz

onixs-tradeweb-tradexpress-client-java-2.14.0-bin.zip

Download authentication credentials:

User: download
Password: 6CpH7AkPwkJZMT7KItDAZKa1

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

TradeWebFixDialect-101.34.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:

Release Notes - Nodal Exchange update for FIX Engine 1.19.0 API

2026-04-30T13:25:06.667+01:00

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

2026-04-29T20:38:22.008+01:00

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

2026-04-24T16:54:37.551+01:00

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

2026-04-23T13:17:27.521+01:00

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

2026-04-21T16:23:54.593+01:00

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

2026-04-21T16:20:10.217+01:00

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

2026-04-20T00:02:06.876+01:00

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

2026-04-17T13:30:15.335+01:00

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

2026-04-13T10:08:44.145+01:00

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

2026-04-10T14:54:10.004+01:00

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

2026-04-08T20:13:21.210+01:00

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

2026-04-08T18:53:12.427+01:00

Bug

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

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

2026-04-07T21:56:36.380+01:00

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

2026-04-07T11:06:41.790+01:00

Improvement

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

Release Notes - ICE Trading update 4.23

2026-04-06T18:50:14.126+01:00

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:

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

2026-04-06T11:35:39.315+01:00

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

2026-04-02T14:54:08.089+01:00

Task

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