---
title: Release Notes - FIX Engine for .NET Core - Version 1.2.0
description: Release Notes - FIX Engine for .NET Core - Version 1.2.0
---

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

# [Release Notes - FIX Engine for .NET Core - Version 1.2.0](https://www.onixs.biz/release-notes/release-notes-fix-engine-for-net-core-version-1-2-0.html)

 Written by [Admin](https://www.onixs.biz/release-notes/author/admin) | Jul 23, 2019, 10:49:56 AM

## Improvement

- [[NETCOREFIXENGINE-297](http://support.onixs.biz/browse/NETCOREFIXENGINE-297)] - Better system error codes processing
- [[NETCOREFIXENGINE-267](http://support.onixs.biz/browse/NETCOREFIXENGINE-267)] - Remove out of order logging in the .summary log file
- [[NETCOREFIXENGINE-178](http://support.onixs.biz/browse/NETCOREFIXENGINE-178)] - Support QuickFX Dictionaries with duplicated fields

## New Feature

- [[NETCOREFIXENGINE-277](http://support.onixs.biz/browse/NETCOREFIXENGINE-277)] - SerizlizedMessage warm-up
- [[NETCOREFIXENGINE-276](http://support.onixs.biz/browse/NETCOREFIXENGINE-276)] - Thread affinity
- [[NETCOREFIXENGINE-274](http://support.onixs.biz/browse/NETCOREFIXENGINE-274)] - Add LogBeforeSending option
- [[NETCOREFIXENGINE-264](http://support.onixs.biz/browse/NETCOREFIXENGINE-264)] - Sender's outgoing queue size restriction
- [[NETCOREFIXENGINE-260](http://support.onixs.biz/browse/NETCOREFIXENGINE-260)] - Ability to monitor host switching in the scheduler
- [[NETCOREFIXENGINE-250](http://support.onixs.biz/browse/NETCOREFIXENGINE-250)] - SerializedMessage efficiency improvement
- [[NETCOREFIXENGINE-179](http://support.onixs.biz/browse/NETCOREFIXENGINE-179)] - Add constructor with Message customLogonMessage parameter to the Scheduler ConnectionSettings

[View full post](https://www.onixs.biz/release-notes/release-notes-fix-engine-for-net-core-version-1-2-0.html)

```json
{
  "@context" : "http://schema.org",
  "@type" : "BlogPosting",
  "author" : {
    "@type" : "Person",
    "name" : "Admin"
  },
  "dateModified" : "2019-07-23T11:04:56.359Z",
  "datePublished" : "2019-07-23T10:49:56Z",
  "headline" : "Release Notes - FIX Engine for .NET Core - Version 1.2.0",
  "image" : {
    "@type" : "ImageObject",
    "height" : 60,
    "url" : "/hs/hsstatic/content_shared_assets/static-1.4092/img/default-amp-logo.png",
    "width" : 60
  },
  "mainEntityOfPage" : "https://www.onixs.biz/release-notes/release-notes-fix-engine-for-net-core-version-1-2-0.html",
  "publisher" : {
    "@type" : "Organization",
    "logo" : {
      "@type" : "ImageObject",
      "height" : 60,
      "url" : "/hs/hsstatic/content_shared_assets/static-1.4092/img/default-amp-logo.png",
      "width" : 60
    },
    "name" : "Release Notes"
  }
}
```