Qt 6.8.1 Released

We have released Qt 6.8.1 today. As a patch release, Qt 6.8.1 does not introduce new features but contains more than 550 bug fixes, security updates, and other improvements to the top of the Qt 6.8.0 release. See more information about the most important changes and bug fixes from Qt 6.8.1 release note.

Qt for Python 6.8.1 has also been released by its usual means along with the Qt 6.8.1 release.

License check integration included

The Qt 6.8.1 release integrates a check for Qt license for commercial users, simplifying license management for developers and organizations. This new integration, enabled through the moc-wrapper, streamlines the license-checking process, enabling automated license handling and enhancing Qt compliance verifications.

If the license check fails, the license manager will provide an error message but doesn't prevent the usage of Qt. If you get such an error message, please submit a detailed bug report to bugreports.qt.io or inform technical support.  

Get Qt 6.8.1

As earlier, you can add Qt 6.8.1 to the existing online installation by using the maintenance tool or do a clean installation by using the Qt Online Installer, which can be downloaded from the Qt Account Portal  (for commercial users) and from the opensource download area (for opensource users).

In addition, Qt 6.8.1 source packages are available in the opensource download area for opensource users. For commercial users, the Qt 6.8.1 offline installers and Qt 6.8.1 source packages are available in the Qt Account Portal.

Provide feedback

For any issues, please submit a detailed bug report to bugreports.qt.io or contact our technical support team if you have a support plan with your commercial license. You are also welcome to join the Qt Project mailing lists and developer forums discussions.

Qt 6.8 release plan

We will continue releasing new patch releases to the Qt 6.8 series. The target is to release Qt 6.8.2 during January 2025, see more information from the Qt 6.8 releasing pages.


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L
Liviu Lalescu
0 points
4 months ago

Thank you, Qt Team! Everything looking good with our application.

ekke gentz
0 points
4 months ago

still having problems with license server use fallback works - I could start QtC and my license was detected

but when working with projects now I'm getting : -1: error: AutoMoc: Error while initializing license client: Could not initialize client socket: TCP: Error while resolving the hostname: Undefined error: 0 Error! Cannot acquire license to use qtframework.

will add this to my existing support ticket

H
Heikki Halmet
0 points
4 months ago

Thank you for the feedback! We will look into the problem and continue the discussion via the support ticket.

ekke gentz
0 points
4 months ago

thx to your engineers I found out, the hosts file was empty on my mac.

inserted

`127.0.0.1 localhost 255.255.255.255 broadcasthost ::1 localhost'

now I'm not getting the auto moc errors anymore.