Qt 6.4 is out now! Scale your UX to the next level with the all-new 3D physics engine and Qt for WebAssembly. Read more.
最新版Qt 6.3已正式发布。 了解更多。
最新バージョンQt 6.3がご利用いただけます。 詳細はこちら
It's out now

All new Qt 6

Download now     Watch video

The Productivity Platform for the Future

Software requirements are increasing exponentially, your team's capacity is not! Qt 6's tools & APIs empower designers and developers to create more!

Next-Generation User Experience

Build consistently branded 2D & 3D applications with a custom or native look & feel – using designer and developer-friendly tools, a leaner, yet more powerful QML language, and a flexible graphics architecture.

Limitless Scalability

From microcontrollers (MCUs) to supercomputers, Qt 6 and our massive ecosystem provides everything you need to design, develop, and deploy software for your entire product line. Create applications that are beautiful in the front-end and powerful in the back-end, with the same codebase for any hardware, any OS, or on bare metal.

Technical specifications

This is new in Qt 6

Jump to a no-frills tear down of what's under the hood .

See technical specifications

The worlds best companies use Qt to make the products you love.

Read more about Qt 6

Read more from our blog

Qt 6.4 Released

Today we have released Qt 6.4! The latest version of Qt introduces sup...

Read more

Does WebAssembly Matter for Embedded System Makers?

WebAssembly is an emerging technology that allows high-performance app...

Read more

Security advisory: zlib in Qt

zlib through 1.2.12 has a heap-based buffer over-read or buffer overfl...

Read more

Qt 6.3.2 Released

I am happy to announce we have released the Qt 6.3.2 today.

Read more

The Future of Headless Embedded Devices

The trend of hybrid and headless embedded devices disrupts many indust...

Read more

Security advisory: FreeType in Qt

There have been three vulnerabilities found in FreeType recently and t...

Read more

Qt 6.4 Beta Released

We have released the first Qt 6.4 Beta today. During the beta phase we...

Read more

Qt Speech coming to Qt 6.4

Over the last couple of months we have ported the text-to-speech funct...

Read more

Qt 6.3 released

I’m happy to announce that Qt 6.3 has been released today. As always, ...

Read more

Qt 6 QML Book Updates

The Qt 6 QML Book is about QML and related topics such as how to integ...

Read more

Qt WebEngine in Qt 6

Qt WebEngine has been out for Qt 6 since 6.2, but I would still like t...

Read more

Security advisory: QLockFile, QAuthenticator, Windows platform plugin

Recently, the Qt Project's security team was made aware of an issue re...

Read more

Get Qt 6 now

Download