[Development] HEADS-UP: Qt 6.12 API change review

Marc Mutz marc.mutz at qt.io
Thu Jun 11 15:53:45 CEST 2026


I've let Opus 4.8 lose on the two XL patches, so consider those covered. But I don't want to burn though all my tokens for this, so I would prefer if someone else could do it for the others.

I used this prompt, but I can't say, yet, whether it was a good choice:
Please review attached Qt 6.11..6.12 header diff for violations of https://wiki.qt.io/Things_To_Look_Out_For_In_Reviews and https://community.kde.org/Policies/Binary_Compatibility_Issues_With_C%2B%2B. The primary goal is to find BC and SC problems that would be hard or impossible to fix after the release. The secondary goal is to find style violations for rules listed in TTLOFIR (see link above), incl. the canons linked from there. Output as a list of comments with <file>:<line> anchors. If something isn't clearly BC or SC, output a question asking for clarification. This is part of the process described in https://contribute.qt-project.org/quips/10. The Qt project distinguishes between acceptable and unacceptable SiC, this is defined in https://contribute.qt-project.org/quips/6.
Thanks,
Marc

On 11.06.26 15:38, Marc Mutz via Development wrote:
Seeing as the very first one I looked at revealed a threefold human fail in the 6.11 review¹, can we please point Claude at these, first, and tell it to review the patches according to TTLOFIR and KDE's BC page? And post the result as comments?

¹ https://codereview.qt-project.org/c/qt/qtbase/+/743936/comment/47772d51_cbd88b4c/

On 11.06.26 12:26, Jani Heikkinen via Development wrote:
Confidential
Hardly, seeing as this was posted on the public ML ;)

Thanks,
Marc

--
Marc Mutz <marc.mutz at qt.io><mailto:marc.mutz at qt.io> (he/his)
Principal Software Engineer

The Qt Company
Erich-Thilo-Str. 10 12489
Berlin, Germany
www.qt.io<http://www.qt.io>

Geschäftsführer: Mika Pälsi, Juha Varelius, Juha Puputti
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Registergericht: Amtsgericht Charlottenburg,
HRB 144331 B

Public



--
Marc Mutz <marc.mutz at qt.io><mailto:marc.mutz at qt.io> (he/his)
Principal Software Engineer

The Qt Company
Erich-Thilo-Str. 10 12489
Berlin, Germany
www.qt.io<http://www.qt.io>

Geschäftsführer: Mika Pälsi, Juha Varelius, Juha Puputti
Sitz der Gesellschaft: Berlin,
Registergericht: Amtsgericht Charlottenburg,
HRB 144331 B

Public
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