[Development] Deprecated/Obsolete API that survived the transition from Qt 5 to Qt 6

Sze Howe Koh szehowe.koh at gmail.com
Wed Apr 7 14:56:24 CEST 2021

Some parts of the Qt API have been documented as obsolete for a long
time, but were not removed before Qt 6.0.0 was released.

For example, the following 2 pages contain exactly the same list:

* https://doc.qt.io/qt-5/qmessagebox-obsolete.html
* https://doc.qt.io/qt-6/qmessagebox-obsolete.html

QLocale::countriesForLanguage() is another example.

These probably slipped through the cracks because they were only
tagged "\obsolete" for QDoc but didn't get tagged with macros like

Is it acceptable to remove them during Qt 6's lifetime? Or should we
wait till Qt 7?


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