Description of problem:
Since qt5-qtbase-devel and qt5-qtbase-doc are not "minor version - synchronized", installing both package is actually not enough to make Qt Creator automagically display relevant class information in its Help mode.
Version-Release number of selected component (if applicable):
This is a rough translation of dnf messages from french
$ sudo dnf list qt5-qtbase-doc qt5-qtbase-devel
Last metadata check 0:00:17 ago on 2018-05-06 at 21:16:54 CEST.
qt5-qtbase-devel.x86_64 5.10.1-6.fc28 @fedora
qt5-qtbase-devel.i686 5.10.1-6.fc28 fedora
qt5-qtbase-doc.noarch 5.9.2-3.fc28 fedora
Steps to Reproduce:
1. Install QtCreator package, qt5-qtbase-devel and qt5-qtbase-doc
2. Look for the documentation of a Qt Class in "Help" major mode
3. Click on QAbstractGraphicsShapeItem (For example)
Qt Creator displays the following error message :
The page could not be found
Error loading: qthelp://org.qt-project.qtdoc.5101/qtwidgets/qabstractgraphicsshapeitem.html
Check that you have the corresponding documentation set installed.
A local copy of https://doc.qt.io/qt-5/qabstractgraphicsshapeitem.html should appear in QtCreator panel
qt5-doc-5.10.1-1.fc28 has been submitted as an update to Fedora 28. https://bodhi.fedoraproject.org/updates/FEDORA-2018-d005678c4e
qt5-doc-5.10.1-1.fc28 has been pushed to the Fedora 28 testing repository. If problems still persist, please make note of it in this bug report.
See https://fedoraproject.org/wiki/QA:Updates_Testing for
instructions on how to install test updates.
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2018-d005678c4e
qt5-doc-5.10.1-1.fc28 has been pushed to the Fedora 28 stable repository. If problems still persist, please make note of it in this bug report.