---
title: Release Notes - CME STP FIX update 20260527
description: Update details OnixS FIX Support Pack update for CME STP FIX - update for FIX API specification lt 20260527 gt Updated reference implementation sample
---

[Release Notes ](https://www.onixs.biz/release-notes)

# [Release Notes - CME STP FIX update 20260527](https://www.onixs.biz/release-notes/release-notes-cme-stp-fix-update-20260527.html)

 Written by [Admin](https://www.onixs.biz/release-notes/author/admin) | Jul 1, 2026, 11:40:42 AM

Update details: OnixS FIX Support Pack update for CME STP FIX - update for FIX API specification <20260527>

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

[onixs-cme-stp-fix-client-java-1.4.0-bin.tar.gz](https://packages.onixs.biz/java/onixs-cme-stp-fix-client-java-1.4.0-bin.tar.gz)

[onixs-cme-stp-fix-client-java-1.4.0-bin.zip](https://packages.onixs.biz/java/onixs-cme-stp-fix-client-java-1.4.0-bin.zip)

Download authentication credentials:

 User: *download*  
 Password: *6CpH7AkPwkJZMT7KItDAZKa1*

[OnixS.Net.CmeStpFix.1.11.1.zip](https://packages.onixs.biz/dotnet/OnixS.Net.CmeStpFix.1.11.1.zip)

Download authentication credentials:

 User: *download*  
 Password: *6CpH7AkPwkJZMT7KItDAZKa1*

[CmeStpFixClient_2.2.0.zip](https://packages.onixs.biz/framework/CmeStpFixClient_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:

[CmeStpFix-20260527.zip](https://packages.onixs.biz/fix/dialect/CmeStpFix-20260527.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](https://packages.onixs.biz/net-core-fix-engine-guide/articles/session-level-dictionary.html)
- [C++ FIX Engine](https://packages.onixs.biz/cpp-fix-engine-guide/group__session-level-fix-dictionary.html)
- [Java FIX Engine](https://packages.onixs.biz/java-fix-engine-guide/onixs-fix-engine/index.html#FIX_Dialects)
- [.NET Framework FIX Engine](https://packages.onixs.biz/net-fix-engine-guide/session-level-dialects.html)

 

[View full post](https://www.onixs.biz/release-notes/release-notes-cme-stp-fix-update-20260527.html)

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