[Interest] Qt-6.10.2 Widgets - Qt::CustomizeWindowHint Is Broken on Windows

[Volker Hilsheimer]

> On 9 Feb 2026, at 16:12, coroberti <coroberti at gmail.com> wrote:
> 
> Wladimir,
> Volker says the following:
> "The system menu is one of those things; so without Qt::WindowSystemMenuHint or any other button (which might imply a system menu with the corresponding entry) 
> I’d expect no window menu. And without window menu, there’s no space for an icon."
> 
> You are breaking the behavior of Qt-4, next Qt-5, next Qt-6 till Qt-6.10
> and even worse, you are doing that in the mid of Qt-6.
> 
> Could you please send these considerations to Volker, and at least postpone it to the next major Qt-7?
> Thanks.

I’m following this mailing list. There is indeed no intention to break behavior that’s been predictable and stable since Qt 4 (and probably Qt 3 and Qt 2) days.

And the best way to avoid the top-posting issue is to have this conversation in the comments on the JIRA ticket ;)

Volker