Tuesday, 30 June 2026

Release Notes - FIX Engine Java - Version 2.16.2

Bug

  • [JAVA-3592] - Missed fields in the Heartbeat message
  • [JAVA-3575] - Dynamic acceptor accepts listener-created sessions with mismatched CompIDs

Improvement

  • [JAVA-3581] - Stop receiver from processing buffered messages after local close

Tuesday, 9 June 2026

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

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

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

Wednesday, 3 June 2026

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

Improvement

Monday, 25 May 2026

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

Story

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

Improvement

Thursday, 21 May 2026

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

Improvement

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

Wednesday, 20 May 2026

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

Improvement

Friday, 15 May 2026

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

Improvement

Tuesday, 12 May 2026

Friday, 1 May 2026

Release Notes - TradeWeb TradeXpress update 101.34

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:

 

Thursday, 30 April 2026

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