Unsolved Where is QTiffHandler ? [Qt 6.x]

[nen777w]

Today, when I viewed the new Qt sources [6.0.2],
I was surprised to not find QTiffHandler class.
In Qt 5. it x was here:
qtimageformats/src/plugins/imageformats/tiff/qtiffhandler.cpp

But in Qt 6.x it mentions only in
qtbase\src\gui\image\qimage.h it as friend class.

Looks like it was completely removed from the library, I search on all library sources and do not found it.

Does Qt no more support tiff format?
Because documentation says the opposite:
https://doc.qt.io/qt-6/qtimageformats-index.html

[Christian Ehrlicher]

Please read https://forum.qt.io/topic/121651/read-before-posting-in-this-category

Moved to Qt6