Hi,

I think there is a danger in mixing different topics in one discussion.

Qt has never supported Windows Server; it was only known to be compatible so 
that one can make Qt build and run on a Windows Server.

I am not aware of any plans to start removing some code for Windows 10 support 
specifically, but this might still happen, since there will be no CI for 
Windows 10 for 6.13 and later. Some other code changes might come in, and no 
one would notice this since they have only been tested on Windows 11. If users 
need Qt on Windows 10, they should consider moving to Qt 6.12 LTS which will be 
commercially supported until 203, see 
https://www.qt.io/blog/windows-10-eol-plans-in-qt.

With all this, I would have no objections to having something in the code to 
make/keep Qt being just compatible with Windows Server.

--
Vladimir


On 18. Sep 2026, at 14:44, Schmertmann, Lars via Development 
<[email protected]> wrote:

Hi everyone,

we just removed the inoffical support for Windows Server 2016 (based on
Windows 10 [1607]) for Qt 6.13.0 [1].

Because our customers request to support Windows Server 2019 (based on
Windows 10 [1809]) until 9. Jan. 2029 [2] and Windows Server 2022
(based on Windows 10 [21H2]) until 14. Okt. 2031 [3] we would like to
no fully remove the support of Windows 10 with Qt 6.13.0.

It could be a solution when the Windows 10 specific code will not be
removed but moved into blocks with "#ifdef QT_WIN_SERVER_2019_COMPAT"
or "#ifdef QT_WIN_SERVER_2022_COMPAT". So it is still easy for people
to compile Qt for own usage with Windows Server compatibility.

[1]
https://codereview.qt-project.org/c/qt/qtbase/+/771497
[2]
https://learn.microsoft.com/de-de/lifecycle/products/windows-server-2019
[3]
https://learn.microsoft.com/de-de/lifecycle/products/windows-server-2022

Mit freundlichen Grüßen / Sincerely yours
Lars Schmertmann
Softwareentwickler
AusweisApp
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Governikus Service GmbH
Hochschulring 4
28359 Bremen, Germany

Telefon: +49 421 204 95 - 52
E-Mail: [email protected]
https://www.governikus.de
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