News & Insights

Connamara Announces QuickFIX/Go v0.9.0 Now With Support for Golang v1.21, Weekday Configurations, and MessageStore Enhancements

November 15, 2023

Connamara, a leading provider of advanced technology solutions for the financial industry, is excited to unveil the latest version of QuickFIX/go, a high-performance implementation of the FIX protocol designed for Golang environments.

QuickFIX/Go Version 0.9.0 now includes: 

  • Support for Golang’s most recent update (Go v1.21)
  • Added support for FIX sessions with Weekday configurations
  • Improvements to MessageStore implementations, including smaller application binaries and database driver compatibility
  • Enhancements to sequence number fidelity and FIX message validation

This support further enhances QuickFIX/go’s capabilities and underscores Connamara’s commitment to industry standards and interoperability. With these changes, users of Quickfix/go can rely on all of Go’s up-to-date language optimizations, expanded FIX session configuration options, optimal dependency management for message store implementations, and built-in support for the most popular Go Postgres driver.

Connamara has been involved with the QuickFIX project since its inception. Today, Connamara is an active maintainer of the original QuickFIX, author, and maintainer of QuickFIX/go and QuickFIX/n ports, a contributor to QuickFIX/j, and provides commercial support for all versions of QuickFIX (C++, C#, Java, Python, and Go). 

See the Release Notes for a complete list of changes in v0.9.0, or visit for more information.

About QuickFIX

The Financial Information Exchange (FIX) Protocol is a message standard developed to facilitate the electronic exchange of information related to securities transactions. It is intended for use between trading partners wishing to automate communications. QuickFIX/n is a  free and open-source implementation of the FIX protocol with a liberal license available on GitHub.

For more information, go to

About Connamara 

For 25+ years, Connamara has been fulfilling the business needs of capital markets clients by combining certainty of delivery with the highest possible quality. With unparalleled responsiveness to client needs, Connamara has engineered matching engines, trading platforms, risk systems, execution and order management systems, trading user interfaces, and dashboards for exchanges, brokerages, fund managers, market makers, and proprietary traders. Its clients include innovative early-stage companies and leading global institutions that rely on Connamara for the breadth of its domain knowledge and engineering expertise in market structure, trading, and system design.

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