[Development] Enabling xcb-native-painting feature in CI

[Volker Hilsheimer]

Indeed, at this point it’s fair to say that Qt is not for projects that heavily depend on X11 remoting over low bandwidth.

This can be removed.

Volker


> On 27 Oct 2025, at 10:23, Lars Knoll via Development <development at qt-project.org> wrote:
>
> We re-added back for a specific large customer at that time, who was using Qt/X11 over low bandwidth connections and where the image based painting was not performing well enough.
>
> It's a long time ago, so I don't quite remember who the customer was. But I doubt that they still have the same problem today, so I would also go for removing it.
>
> Cheers,
> Lars
>
>> On 27 Oct 2025, at 09:56, Eirik Aavitsland via Development <development at qt-project.org> wrote:
>>
>>
>> +1 for removing it. It was only added in Qt 5 on Lars’ request to solve some very specific usecase that nobody remembers anymore. It has no future.
>>
>> - Eirik Aa.
>>
>>
>> Confidential
>> From: Development <development-bounces at qt-project.org> on behalf of Thiago Macieira <thiago.macieira at intel.com>
>> Date: Saturday, 25 October 2025 at 18:42
>> To: development at qt-project.org <development at qt-project.org>
>> Subject: Re: [Development] Enabling xcb-native-painting feature in CI
>>
>> On Saturday, 25 October 2025 08:59:40 Pacific Daylight Time Albert Astals Cid
>> wrote:
>> > Removing it was going to be my initial suggestion, but after speaking to the
>> > opensuse packagers it seems there is some use for it
>> >
>> > https://bugzilla.opensuse.org/show_bug.cgi?id=1214915
>> >
>> > Yes, i know the bug mentions qt5 but i would assume it potentially applies
>> > for qt6 too.
>>
>> The problem is that it's dangerous, as it seems no one is building this and
>> testing it. The only changes to it since it was revived in 2017 appear to be
>> build and issue fixes. I suppose that if anyone reported issues with it in
>> JIRA, we wouldn't be able to fix and would close the bug report as "you've used
>> an experimental feature, you accepted the risk"
>>
>> --
>> Thiago Macieira - thiago.macieira (AT) intel.com
>>   Principal Engineer - Intel Data Center Group
>> --
>> Development mailing list
>> Development at qt-project.org
>> https://lists.qt-project.org/listinfo/development
>
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