Friday, 2 January 2026

Release Notes - CME Drop Copy .NET - Version 5.6.0

Task

Thursday, 25 December 2025

Release Notes - CME STP Handler .NET - Version 4.2.0

Improvement

Release Notes - CME STP FIX - support NET10.0

Update details:

  • OnixS FIX Support Pack update for CME STP FIX - support <.NET10.0>
  • OnixS FIX Support Pack update for CME STP FIX - remove <.NET6.0>

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

OnixS.Net.CmeStpFix.1.9.0.zip

Download authentication credentials:

User: download
Password: 6CpH7AkPwkJZMT7KItDAZKa1

 

Release Notes - CME STP FIX - support NET10,0

Update details:

  • OnixS FIX Support Pack update for CME STP FIX - support <.NET10.0>>/li>
  • OnixS FIX Support Pack update for CME STP FIX - remove <.NET6.0>>/li>

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

OnixS.Net.CmeStpFix.1.9.0.zip

Download authentication credentials:

User: download
Password: 6CpH7AkPwkJZMT7KItDAZKa1

 

Tuesday, 23 December 2025

Release Notes - .NET FIX Engine - Version 1.18.0

Improvement

Task

Bug

  • [NETCOREFIXENGINE-1884] - Session.LogonAsInitiator() throw an exception when a hostname is used during the connection via HTTP proxy

New Feature

Friday, 19 December 2025

Release Notes - LME Select update 1.9.1

Update details: OnixS FIX Support Pack update for LME Select - update for FIX API specification <1.9.1>

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

OnixS.Net.LmeSelect.2.2.0.zip

Download authentication credentials:

User: download
Password: 6CpH7AkPwkJZMT7KItDAZKa1

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

LmeSelectDropCopyFixDialect-1.9.1.zip

LmeSelectOrderEntryFixDialect-1.9.1.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, 18 December 2025

Release Notes - CME iLink 3 Binary Order Entry Java - Version 1.2.0

Improvement

Bug

  • [ILINK3JAVA-337] - Update installToLocalRepository scripts to include onixs-sbe dependency

Release Notes - CME iLink 3 Binary Order Entry .NET - Version 1.8.0

Improvement

Task

New Feature

Bug

  • [CMEILINK3CORE-367] - Audit Trail Generator fails to process MassQuoteAck with NoQuoteEntries=0
  • [CMEILINK3CORE-363] - Reconnection is not made if an Establish response is not received

Wednesday, 17 December 2025

Release Notes - FIX Engine Java - Version 2.15.0

New Feature

  • [JAVA-3514] - Add API to send message batches only after an explicit flush to ensure durable-before-send ordering

Improvement

  • [JAVA-3498] - Implement Session.flushSessionStorage(boolean flushMetadata) method

Release Notes - .NET FIX Engine - Version 1.17.6

Bug

  • [NETCOREFIXENGINE-1894] - Incoming messages can be missed in the summary log file on certain conditions