arrow_circle_right EBOOK

Migrating Qt5 to Qt6

Qt 5 has reached its end of life. That means no new features, no long-term bug fixes and no guarantee that your application will keep pace with modern operating systems.

If you want your product to stay relevant, secure and easier to maintain, a move to Qt 6 becomes more than an upgrade: it becomes a strategic safeguard.

Our ebook helps you understand what changes, what breaks and what improves when you migrate, giving you confidence to plan your own transition.

The cover of a Spyrosoft ebook on Qt 5 to Qt 6 migration.

arrow_circle_right About the publication

Build future-ready Qt platforms

Qt 6 offers a more robust, modern development environment, with improved modules, better performance and native support for the latest versions of iOS and Android. You can build the same features you rely on today, but faster, more cleanly and with longer support ahead of you.

Key advantages include:

  • Extended platform compatibility for current and upcoming mobile systems
  • Expanded and improved APIs that simplify maintenance
  • Performance gains across the framework
  • A strengthened QML toolset, including a dedicated compiler and faster rendering

These improvements translate directly into smoother UI workflows, more responsive applications and simpler C++ integration.

arrow_circle_right What’s inside

Moving from Qt5 to Qt6, explained

Clear recommendations, example scenarios, and advice based on real engineering practice.

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How the end-of-life of Qt5 affects security, stability and future development

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Where Qt6 introduces performance and API gains

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How QML evolves, and how that impacts your architecture

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Practical steps to prepare, test and execute a safe migration

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Common challenges development teams encounter and how to avoid them

arrow_circle_right Sneak peek

Take a peek inside!

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arrow_circle_right Who this ebook is for

You’ll benefit from this guide if you:

  • Maintain a Qt 5 application and want to keep it supported.
  • Plan to develop new features and don’t want to build on an outdated base.
  • Need a structured overview to guide technical and business decisions.
  • Want a smoother, more predictable migration with fewer surprises.

arrow_circle_right In numbers

From a company with:

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10 years of rapid growth

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300+ clients from various sectors

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1900+ employees

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10+ quality certifications

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About Spyrosoft

Spyrosoft is a group of companies providing consulting and software development services in segments including Automotive, HR Tech, EduTech, Finance, Geospatial, Healthcare & Life Sciences, Industry 4.0, Renewable Energy, Media and Robotics. The Group offers a one-stop shop approach as it operates within a wide range of specialities – from Enterprise and Embedded Software Engineering, AI/ML, Cloud and Cybersecurity, to HMI or Ecommerce, Low-code and CRM Platforms.  

Spyrosoft is a global company with over 1900 specialists onboard and 20 offices in 9 countries. The quality of Spyrosoft’s services is proven by internationally recognised, ISO certifications as well as Automotive SPICE, TISAX and Cyber Essentials Plus Certificate. The firm has been included in the Financial Times ranking of 1000 fastest-growing companies for three consecutive years: 2021, 2022 and 2023. 

Get your free copy of the ebook